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Preface

Page 7

Preface

The

Embedded Web System

(EWS) is a network management system. The D-Link Embedded Web Interface con-

figures, monitors, and troubleshoots network devices from a remote web browser. The D-Link Embedded Web
Interface web pages are easy-to-use and easy-to-navigate. In addition, The D-Link Embedded Web Interface pro-
vides real time graphs and RMON statistics to help system administrators monitor network performance.

This preface provides an overview to the D-Link Embedded Interface User Guide, and includes the following sec-
tions:

•

DXS-3227, DXS-3227P, DXS-3250 and DXS-3250E User Guide Overview

•

Intended Audience

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Содержание DXS-3250E - xStack Switch

Страница 1: ...Web Installation Guide ProductModel TM DXS DWS 3200Series Layer2 StackableGigabitEthernetSwitcheswithoptionalXGUplinks Release3 0 Copyright 2007 All rights reserved...

Страница 2: ...tions 18 LED Definitions 19 Port LEDs 19 System LEDs 22 Cable Port and Pinout Information 23 Pin Connections for the 10 100 1000 Ethernet Interface 23 Ports Pinout 24 Physical Dimensions 25 Mounting D...

Страница 3: ...oE System Information 64 Defining PoE Interfaces 66 Stacking 69 Configuring Device Security 74 Configuring Management Security 75 Configuring Authentication Methods 75 Configuring Passwords 96 Configu...

Страница 4: ...ANs 174 Defining VLAN Properties 175 Defining VLAN Membership 177 Defining VLAN Interface Settings 179 Configuring GARP 181 Defining GARP 181 Defining GVRP 183 Defining VLAN Groups 185 Configuring Voi...

Страница 5: ...g SNMP Security 254 Defining SNMP Security 254 Defining SNMP Views 256 Defining SNMP Group Profiles 258 Defining SNMP Group Members 261 Defining SNMP Communities 264 Configuring SNMP Notifications 267...

Страница 6: ...Copying Files 324 Managing System Files 325 Managing System Logs 327 Enabling System Logs 328 Viewing the Device Memory Logs 330 Clearing Device Memory Logs 330 Viewing the FLASH Logs 331 Clearing FL...

Страница 7: ...cs 363 Viewing EAP Statistics 364 Resetting GVRP Statistics Counters 365 Managing RMON Statistics 366 Viewing RMON Statistics 367 Resetting RMON Statistics Counters 368 Configuring RMON History 369 De...

Страница 8: ...dded Web Interface web pages are easy to use and easy to navigate In addition The D Link Embedded Web Interface pro vides real time graphs and RMON statistics to help system administrators monitor net...

Страница 9: ...ides information for managing IP routing Section 13 Configuring IP Information Provides information about defining device IP addresses ARP and Domain Name Servers Section 14 Defining the Forwarding Da...

Страница 10: ...Preface Intended Audience Page 9 Intended Audience This guide is intended for network administrators familiar with IT concepts and terminology...

Страница 11: ...ns LED Definitions Cable Port and Pinout Information Physical Dimensions Viewing the Device The devices described in this section are stackable Gigabit Ethernet Managed Switches Device management is p...

Страница 12: ...s on the front panel The 3250E is a 48 port Gigabit Ethernet Managed Switch The device contains 48 gigabit network ports and 4 SFP Ports on the front panel for network connectivity Figure 2 DXS 3250E...

Страница 13: ...vice front panel is configured as follows 24 Giga Ethernet ports RJ 45 ports designated as 10 100 1000Base T The RJ 45 ports are designated as ports Ports 1 24 RS 232 Console port An asynchronous seri...

Страница 14: ...ort is used to connect the device to the console managing the device Four SFP Ports There are four SFP port which contains 1000Base X fiber connections One XFP Port The 10 Gigabit Small Form Factor Pl...

Страница 15: ...empty and all ports and connectors are located on the front panel The following figure illustrates the DXS 3227P back panel Figure 6 DXS 3227P Back Panel The DXS 3227P Back Panel is configured as fol...

Страница 16: ...ort The port is an RJ 45 port which supports half and full duplex mode 10 100 1000 Mbps SFP Port Small Form Factor Pluggable SFP Optical Transceivers are integrated duplex data GBIC links for bi direc...

Страница 17: ...The XFP port is located on the DXS 3227 3227P front panel and an optional XFP module can be inserted into the device s back panel The XFP module can be removed and inserted as required as the figure...

Страница 18: ...or removing the CX 4 module Figure 10 Inserting Removing the CX 4 Module Stacking Ports The device can provide two stacking XFP or CX 4 ports One stacking port provides an Up connection while the sec...

Страница 19: ...meters max 1000BASE LX Single mode fiber module 10km 1000BASE SX Multi mode fiber module 550m 1000BASE LH Single mode fiber module 40km 1000BASE ZX Single mode fiber module 80km Mini GBIC SFP Transcei...

Страница 20: ...t Ethernet RJ 45 Port LEDs The LEDs on the three devices are differently indicated The following figure illustrates the DXS 3250 DXS 3250E port LEDs Figure 11 DXS 3250 DXS 3250E 1000Base T Gigabit Eth...

Страница 21: ...ED Indication Description Speed Green A 1000 Mbps link is established on the port Amber A 100 Mbps link is established on the port Off A 10 Mbps link is established on the port Link Activity LED Green...

Страница 22: ...port has one LED The LED indications are described in the following table Table 3 SFP LED Indications LED Indication Description Green A link is established on the port Flashing Green There is data t...

Страница 23: ...0 DXS 3250E are located on the left side of the devices The following figure illustrates the DXS 3250 DXS 3250E system LEDs Figure 14 DXS 3250 DXS 3250ESystem LEDs DXS 3227 DXS 3227P The system LEDs o...

Страница 24: ...sed cables The following figure illustrates the pin alloca tion Figure 16 RJ 45 Pin Allocation Table 4 System LED Indications LED Description LED Indication Description PWR Green The device is powered...

Страница 25: ...10 100 1000 Base TX Pin Use 1 TxRx 1 2 TxRx 1 3 TxRx 2 4 TxRx 2 5 TxRx 3 6 TxRx 3 7 TxRx 4 8 TxRx 4 Table 6 CX 4 Pin Connections IB Pin Signal S16 TX3 S15 TX3 S14 TX2 S13 TX2 S12 TX1 S11 TX1 S10 TX0...

Страница 26: ...h DXS 3227 Width 440 mm 17 32 inch Depth 310mm 12 20 inch Height 45 mm 1 77 inch DXS 3227P Width 440 mm 17 32 inch Depth 430mm 16 93 inch Height 45 mm 1 77 inch 7 RTS Request To Send RTS CTS flow cont...

Страница 27: ...components are to be serviced by trained service technicians only Ensure the power cable extension cable and or plug is not damaged Ensure the product is not exposed to water Ensure the device is not...

Страница 28: ...ng Unpacking This section contains information for unpacking the device and includes the following topics Package Contents Unpacking Essentials Package Contents While unpacking the device ensure that...

Страница 29: ...shioning feet on the bottom at each corner of the device Ensure the surface is be able to support the weight of the device and the device cables To install the device on a surface perform the followin...

Страница 30: ...perform the following 1 Place the supplied rack mounting bracket on one side of the device ensuring the mounting holes on the device line up to the mounting holes on the rack mounting bracket The fol...

Страница 31: ...g Device in a Rack 5 Secure the unit to the rack with the rack screws not provided Fasten the lower pair of screws before the upper pair of screws This ensures that the weight of the unit is evenly di...

Страница 32: ...nnect to the device b Set the data rate to 9600 baud c Set the data format to 8 data bits 1 stop bit and no parity d Set flow control to none e Under Properties select VT100 for Emulation mode f Selec...

Страница 33: ...automatically configures both devices to take maximum advantage of their abilities Auto negotiation is performed completely within the physical layers during link initiation without any additional ov...

Страница 34: ...the local terminal already connected the switch goes through Power On Self Test POST POST runs every time the device is initialized and checks hardware components to determine if the device is fully...

Страница 35: ...ion on the Startup menu see Startup Menu Functions If the system boot is not interrupted by pressing Esc or Enter the system continues operation by decompressing and loading the code into RAM The code...

Страница 36: ...OK Running from RAM Running SW Ver x x x x Date 11 Jan 200x Time 15 43 13 HW version is Base Mac address is 00 00 b0 24 11 80 Dram size is xxM bytes Dram first block size is 47104K bytes Dram first PT...

Страница 37: ...must also be configured The following configurations are completed Static IP Address and Subnet Mask Static Route Configuration User Name SNMP Community strings Static IP Address and Subnet Mask IP in...

Страница 38: ...local software agent The SNMP agents maintain a list of variables used to manage the device The variables are defined in the Management Information Base MIB The MIB presents the variables controlled...

Страница 39: ...with read write access The public string allows authorized management stations to retrieve MIB objects while the private string allows authorized management stations to retrieve and modify MIB objects...

Страница 40: ...ask and default gateway Retrieving an IP Address From a DHCP Server When using the DHCP protocol to retrieve an IP address the device acts as a DHCP client To retrieve an IP address from a DHCP server...

Страница 41: ...TP protocol is supported and enables the switch to automatically download its IP host configuration from any standard BOOTP server in the network In this case the device acts as a BOOTP client To retr...

Страница 42: ...r name the default priority is 1 which allows access but not configuration rights A priority of 15 must be set to enable access and configuration rights to the device Although user names can be assign...

Страница 43: ...or the content of the page to appear When initially enabling an http or https session enter admin for user name and user1 for password Note HTTP and HTTPS services require level 15 access and connect...

Страница 44: ...oots and runs when decompressing the system image from the flash memory area where a copy of the system image is stored When a new image is downloaded it is saved in the other area allocated for the a...

Страница 45: ...r and programming it into the flash updates the boot image The boot image is loaded when the switch is powered on To download a boot file through the TFTP server 1 Ensure that an IP address is configu...

Страница 46: ...w software version must be downloaded to replace corrupted files update or upgrade the system software To download software from the Startup menu 1 On the Startup menu press 1 The following prompt is...

Страница 47: ...d If the flash is erased all software files must be downloaded and installed again To erase the FLASH 1 From the Startup menu press 3 within 6 seconds The following message is displayed 2 Confirm by p...

Страница 48: ...the Startup menu The procedure enables the user to enter the device once without a password To recover a lost password for the local terminal only 1 From the Startup menu select 4 and press Enter The...

Страница 49: ...ting Started This section provides an introduction to the user interface and includes the following topics Starting the D Link Embedded Web Interface Understanding the D Link Embedded Web Interface Us...

Страница 50: ...2 Ensure that pop up blockers are disabled If pop up blockers are enable edit add and device information messages may not open 3 Enter the device IP address in the address bar and press Enter The Ente...

Страница 51: ...er Guide Page 50 5 Click The D Link Embedded Web Interface Home Page opens Notes The screen captures in this Guide represent the 48 port device The Web pages in the 24 port device may vary slightly Fi...

Страница 52: ...the home page the port LED indicators provide a visual repre sentation of the ports on the D Link front panel Tab Area Located under the LED indicators the tab area contains a list of the device featu...

Страница 53: ...XS 3227P device Each product has an individual Device Representation Figure 23 Device Representation Table 9 Interface Components View Description 1 Tree View Tree View provides easy navigation throug...

Страница 54: ...e following Table 10 D Link Web Interface Configuration Buttons Button Button Name Description Clear Logs Clears system logs Create Enables creation of configuration entries Edit Modifies configuratio...

Страница 55: ...ormation Deleting Configuration Information Adding Configuration Information User defined information can be added to specific D Link Web Interface pages by opening a new Add page To add information t...

Страница 56: ...tion page such as the IP Interface Settings Page opens Figure 25 IP Interface Settings Page 4 Modify the fields 5 Click The fields are modified and the information is saved to the device Deleting Conf...

Страница 57: ...es from the running configuration file to the startup configuration file before rebooting the device For instructions see Copying Files To reboot the device 1 Click System General Reboot The Reboot pa...

Страница 58: ...Getting Started Logging Off from the Device Page 57 Logging Off from the Device 1 Click The Logout Page opens 2 Click The D Link Embedded Web Interface Home Page closes...

Страница 59: ...WS User Guide Page 58 Section 5 Managing Device Information This section contains information for setting general system information and includes the following sections Defining the System Description...

Страница 60: ...ines the user defined device name The field range is 0 160 characters System Location Defines the location where the system is currently running The field range is 0 160 characters System Contact Defi...

Страница 61: ...S 3250E EWS User Guide Page 60 Hardware Version Displays the installed device hardware version number Boot Version Displays the current Boot version running on the device Software Version Displays the...

Страница 62: ...processing time and fewer interruptions To define advanced system settings 1 Click System General Mode The Mode Page opens Figure 28 Mode Page The Mode Page contains the following field Enable Jumbo F...

Страница 63: ...ooting the Device The Reboot page enables rebooting the device from both local and remote locations To prevent the current con figuration from being lost save all changes from the running configuratio...

Страница 64: ...placing network devices next to power sources Power over Ethernet can be used with IP Phones Wireless Access Points IP Gateways PDAs Audio and video remote monitoring Powered Devices are devices whic...

Страница 65: ...nctioning Off Indicates that the power supply unit is not functioning Faulty Indicates that the power supply unit is functioning but an error has occurred For example a power overload or a short circu...

Страница 66: ...ers are defined and the device is updated To modify PoE Property settings 1 Click System Power over Ethernet Properties The PoE Properties Page opens 2 Click The PoE Properties Settings Page opens Fig...

Страница 67: ...Power Over Ethernet Interface Page opens Figure 31 Power Over Ethernet Interface Page The Power Over Ethernet Interface Page contains the following fields Unit No Displays the stacking member for whi...

Страница 68: ...port 1 is prioritized to receive power and port 3 may be denied power The possible field values are Low Defines the PoE priority level as low This is the default level High Defines the PoE priority l...

Страница 69: ...gs 1 Click System Power over Ethernet Interface tab The Power Over Ethernet Interface Page opens 2 Click to select the interface The PoE Interface Settings Page opens Figure 32 PoE Interface Settings...

Страница 70: ...are is downloaded separately for each stack members However all units in the stack must be run ning the same software version Switch stacking and configuration is maintained by the Stacking Master The...

Страница 71: ...he ring topology fails the stack automatically reverts to the chain topology Stacking Failover Topology If a failure occurs in the stacking topology the stack reverts to Stacking Failover Topology In...

Страница 72: ...one with the longer up time is elected Stacking Master If the two Master enabled stacking members are the same age Unit 1 is elected Stacking Master Two stack ing member are considered the same age i...

Страница 73: ...ecific device Device configuration changes that are not saved before the device is reset are not saved If the Stacking Master is reboot the entire stack is reboot To open the Stack Page 1 Click System...

Страница 74: ...he possible field values are Checked Enables switching the stack control to the Standby Stack Master Unchecked Maintains the current stacking control Switching between the stack master and the backup...

Страница 75: ...ng Device Security This section provides access to security pages that contain fields for setting security parameters for ports device management methods users and server security This section contain...

Страница 76: ...section includes the following topics Configuring Authentication Methods Configuring Passwords Configuring Authentication Methods This section provides information for configuring device authenticati...

Страница 77: ...access the switch module only via an HTTPS session while User Group 2 can access the switch module via both HTTPS and Telnet sessions The Access Profile Page contains the currently configured access p...

Страница 78: ...The Add Access Profile Page opens Figure 36 Add Access Profile Page In addition to the fields in the Access Profile Page the Add Access Profile Page contains the following fields Access Profile Name D...

Страница 79: ...ce using HTTPS meeting access profile criteria are permitted or denied access to the device SNMP Assigns SNMP access to the rule If selected users accessing the device using SNMP meeting access profil...

Страница 80: ...gement Security Authentication Profile Rules The Profile Rules Page opens Figure 37 Profile Rules Page The Profile Rules Page contains the following fields Access Profile Name Displays the access prof...

Страница 81: ...ia are permitted or denied access to the device Secure HTTP HTTPS Assigns HTTPS access to the rule If selected users accessing the device using HTTPS meeting access profile criteria are permitted or d...

Страница 82: ...es Page opens 2 Click The Add Profile Rule Page opens Figure 38 Add Profile Rule Page In addition to the fields in the Profile Rules Page the Add Profile Rule Page contains the following additional fi...

Страница 83: ...rofile Page opens 2 Click The Profile Rules Setting Page opens Figure 39 Profile Rules Settings In addition to the fields in the Profile Rules Page the Profile Rules Settings contains the following ad...

Страница 84: ...S server is not available then the user is authenticated locally To define Authentication profiles 1 Click System Management Security Authentication Authentication Profiles The Authentication Profile...

Страница 85: ...iles To add an Authentication Profile 1 Click System Management Security Authentication Authentication Profiles The Authentication Profile Page opens 2 Click The Add Authentication Profile Page opens...

Страница 86: ...ecurity Authentication Authentication Profiles The Authentication Profile Page opens 2 Select a Profile 3 Click The Authentication Profile Page opens Figure 42 Authentication Profile Settings 4 Select...

Страница 87: ...pping Page opens Figure 43 Authentication Mapping Page The Authentication Mapping Page contains the following fields Console Indicates that Authentication profiles are used to authenticate console use...

Страница 88: ...ld values are None Indicates that no authentication method is used for access RADIUS Indicates that Authentication occurs at the RADIUS server TACACS Indicates that authentication occurs at the TACACS...

Страница 89: ...gure RADIUS servers 1 Click System Management Security Authentication RADIUS The RADIUS Page opens Figure 44 RADIUS Page The RADIUS Page contains the following fields Accounting The authentication met...

Страница 90: ...ccounting port The accounting port is the port used for RADIUS account ing information Number of Retries Defines the number of transmitted requests sent to the RADIUS server before a failure occurs Th...

Страница 91: ...90 To add a RADIUS Server 1 Click System Management Security Authentication RADIUS The RADIUS Page opens 2 Click The Add RADIUS Server Page opens Figure 45 Add RADIUS Server Page 3 Define the fields...

Страница 92: ...RADIUS Server settings 1 Click System Management Security Authentication RADIUS The RADIUS Page opens 2 Click The RADIUS Server Settings Page opens Figure 46 RADIUS Server Settings Page 3 Define the...

Страница 93: ...rypted protocol exchanges between the client and TACACS server The TACACS default parameters are user assigned defaults The default settings are applied to newly defined TACACS servers If default valu...

Страница 94: ...the device and the TACACS times out The field range is 1 1000 seconds Single Connection Maintains a single open connection between the device and the TACACS server The possible field values are Check...

Страница 95: ...de Page 94 To add a TACACS Host 1 Click System Management Security Authentication TACACS The TACACS Page opens 2 Click The TACACS Page opens Figure 48 Add TACACS Host Page 3 Define the fields 4 Click...

Страница 96: ...er settings 1 Click System Management Security Authentication TACACS The TACACS Page opens 2 Select TACACS server entry 3 Click The TACACS Host Settings Page opens Figure 49 TACACS Host Settings Page...

Страница 97: ...using the Local User Page To define local users 1 Click System Management Security Passwords Local Users The Local User Page opens Figure 50 Local User Page The Local User Page contains the following...

Страница 98: ...l User Page In addition to the fields in the Local User Page the Add Local User Page contains the following fields User Name Defines the user name Access Level Define the user access level The lowest...

Страница 99: ...cal User settings 1 Click System Management Security Passwords Local Users The Local User Page opens 2 Click The Local User Settings Page opens Figure 52 Local User Settings Page 3 Define the fields 4...

Страница 100: ...d Page opens Figure 53 Line Password Page The Line Password Page contains the following fields Console Line Password Defines the line password for accessing the device via a Console session Pass words...

Страница 101: ...3250 and DXS 3250E EWS User Guide Page 100 3 Redefine the Confirm Password field for each of the passwords defined in the previous steps to verify the passwords 4 Click The line passwords are saved an...

Страница 102: ...d Page The Enable Password Page contains the following fields Level Defines the access level associated with the enable password Possible field values are 1 15 The lowest user access level is 15 and t...

Страница 103: ...ooping creates and maintains a DHCP Snooping Table which contains information received from untrusted packets Interfaces are untrusted if the packet is received from an interface outside the network o...

Страница 104: ...he device This is the default value Pass Through Option 82 Indicates if DHCP Option 82 with data insertion is enabled on the device The possible field values are Enable If DHCP Option 82 with data ins...

Страница 105: ...ted IP addresses in the DHCP Snooping Database Disable Disables storing allotted IP addresses in the DHCP Snooping Database This is the default value Database Update Interval Indicates how often the D...

Страница 106: ...HCP Snooping is enabled on the device To enable DHCP Snooping on VLANs 1 Click System Management Security DHCP Snooping VLAN Settings The DHCP Snooping VLAN Settings Page opens Figure 56 DHCP Snooping...

Страница 107: ...sted Interface Page The Trusted Interface Page contains the following fields Unit No Indicates the stacking member for which the Trusted Interface port settings are displayed LAGs Indicates the LAG fo...

Страница 108: ...7 2 Define the Unit No Or LAGs field 3 Click The DHCP Snooping Trusted Interface Settings Page opens Figure 58 DHCP Snooping Trusted Interface Settings Page 4 Select an Interface 5 Define the fields 6...

Страница 109: ...Database select the following categories MAC Address Indicates the MAC addresses recorded in the DHCP Snooping Database IP Address Indicates the IP addresses recorded in the DHCP Snooping Database VLA...

Страница 110: ...hose lease times are expired are ignored by the switch Remove Removes the entry from the Binding Database The possible field values are Checked Removes the selected entry Unchecked Maintains the entri...

Страница 111: ...hosts To enable DHCP with Option 82 on the device 1 Click System Management Security DHCP Option 82 The DHCP Option 82 Page opens Figure 61 DHCP Option 82 Page The DHCP Option 82 Page screen contains...

Страница 112: ...usted packets are forward without ARP Inspection Untrusted Indicates that the packet arrived from an interface that does not have a recognized IP and MAC addresses The packet is checked for Source MAC...

Страница 113: ...ion on the device Disable Disables ARP Inspection on the device This is the default value ARP Inspection Validate Indicates that ARP Inspection Validation is enabled on the device The possible field v...

Страница 114: ...yed LAGs Indicates the LAG on which that ARP Inspection Trust mode is enabled If LAGs is selected the Unit No options are not displayed Port Indicates the port on which ARP Inspection Trust mode is en...

Страница 115: ...Guide Page 114 2 Click The ARP Inspection Trusted Interface Settings Page window opens Figure 64 ARP Inspection Trusted Interface Settings Page 3 Modify the fields 4 Click The trust mode is set for A...

Страница 116: ...t to be displayed or deleted select the following categories ARP Inspection List Name Specifies the ARP Inspection List to interfaces or permits network managers to define a new ARP Inspection List Se...

Страница 117: ...cked against ARP requests Remove Removes the entry from the ARP Inspection list The possible field values are Checked Removes the selected entry Unchecked Maintains the entries 2 Click The Add ARP Lis...

Страница 118: ...o the Enabled VLANs list Enabled VLANs Contains a VLAN list for which ARP Bindings is enabled List Name Displays a list of the ARP Bindings List which can be attached to VLANs The ARP Binding Lists ar...

Страница 119: ...tings Page the Add ARP Inspection VLAN Settings Page contains the following additional fields Bind List Name Contains a list of ARP Bindings that can be attached to a VLAN To VLAN Contains a list of V...

Страница 120: ...ts with an IP address stored in the DHCP Database are for warded IP addresses stored in the DHCP Snooping Database are either statically configured by the network administrator or are retrieved using...

Страница 121: ...Figure 69 IP Source Guard Properties Page The IP Source Guard Properties Page contains the following field IP Source Guard Status Indicates if IP Source Guard is enabled on the device The possible fie...

Страница 122: ...ace Settings Table select the following categories Unit No Indicates the stacking member for which the IP Source Guard parameters are displayed LAGs Indicates the LAG for which the IP Source Guard par...

Страница 123: ...3250E EWS User Guide Page 122 2 Click or The Trusted Interfaces Settings Page opens Figure 71 Trusted Interfaces Settings Page 3 Modify the fields 4 Click The Interface IP Source Guard parameters are...

Страница 124: ...se Page opens Figure 72 IP Source Binding Database Page The IP Source Binding Database Page contains the following fields TCAM Resources The IP Source Guard Database uses Ternary Content Addressable M...

Страница 125: ...rface Displays the interface number Status Displays the current interface status The possible field values are Active Indicates the interface is currently active Inactive Indicates the interface is cu...

Страница 126: ...Configuring Network Security Network security manages both access control lists and locked ports This section contains the following topics Network Security Overview Defining Network Authentication Pr...

Страница 127: ...hosts to be attached to a single port Advanced port based authentication requires only one host to be authorized for all hosts to have system access If the port is unautho rized all attached hosts ar...

Страница 128: ...Disables port based authentication on the device Authentication Method Specifies the authentication method used for port authentication The possible field values are RADIUS None Provides port authent...

Страница 129: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 128 6 Define the fields 7 Click The network authentication properties are set and the device is updated...

Страница 130: ...Entry Number Copies port authentication information from the selected port to Entry Number s Copies port authentication information to the selected port Port Authentication Table In addition to the fi...

Страница 131: ...Disable Disables port reauthentication Reauthentication Period Displays the time span in seconds in which the selected port is reauthenti cated The field default is 3600 seconds Reauthenticate Now In...

Страница 132: ...1 Click Advanced Setup Security Suite Authentication Port Authentication The Port Authentication Page opens 2 Click The Port Authentication Settings Page opens Figure 75 Port Authentication Settings P...

Страница 133: ...ased Authentication To define the network authentication global properties 1 Click Advanced Setup Security Suite Authentication Multiple Host The Multiple Host Page opens Figure 76 Multiple Host Page...

Страница 134: ...possible field values are True Indicates that traps are enabled False Indicates that traps are disabled Trap Frequency Defines the time period by which traps are sent to the host The Trap Frequency 1...

Страница 135: ...ost settings 1 Click Advanced Setup Security Suite Authentication Multiple Host The Multiple Host Page opens 2 Click The Multiple Host Settings Page opens Figure 77 Multiple Host Settings Page 3 Modif...

Страница 136: ...Indicates the stacking member for which the authenticated host details are displayed Authenticated Host Table User Name Lists the supplicants that were authenticated and are permitted on each port Por...

Страница 137: ...nd DXS 3250E EWS User Guide Page 136 Configuring Traffic Control This section contains information for managing both port security and storm control and includes the following topics Managing Port Sec...

Страница 138: ...d to that port either it was learned on a different port or it is unknown to the system the protec tion mechanism is invoked and can provide various options Unauthorized packets arriving at a locked p...

Страница 139: ...ddresses associated with the port The port learns up to the maximum addresses allowed on the port Both relearning and aging MAC addresses are enabled Max Entries Specifies the number of MAC address th...

Страница 140: ...Click Advanced Setup Security Suite Traffic Control Port Security The Port Security Page opens 2 Click The Port Security Settings Page opens Figure 80 Port Security Settings Page 3 Define the fields...

Страница 141: ...d for all Gigabit ports by defining the packet type and the rate the packets are transmitted The system measures the incoming Broadcast and Multicast frame rates separately on each port and discards t...

Страница 142: ...lticast and Broadcast traffic This is the default value Multicast Broadcast Counts Broadcast and Multicast traffic together Broadcast Only Counts only Broadcast traffic Broadcast Rate Threshold Indica...

Страница 143: ...S enables network managers to Deny packets that contain reserved IP addresses Prevent TCP connections from a specific interface Discard echo requests from a specific interface Discard IP fragmented pa...

Страница 144: ...default value Disable Disables Stacheldraht Distribution on the device Invasor Trojan Indicates if Invasor Trojan is enabled on the device Invasor Trojan protection discards TCP packets with destinat...

Страница 145: ...ddresses in this block refer to source hosts on this network 127 0 0 0 8 Used as the Internet host loopback address 192 0 2 0 24 Used as the TEST NET in documentation and example codes 224 0 0 0 4 As...

Страница 146: ...the Service Protection list The possible field values are Checked Removes the selected IP address and mask Unchecked Maintains IP addresses and IP masks 2 Check the Include Reserved Martian IP Addres...

Страница 147: ...llowing fields Interface Defines the port LAG on which SYN protection is enabled IP Address Defines the IP address on which SYN protection is enabled Mask Defines the Destination IP address network ma...

Страница 148: ...abled All Enables SYN Filtering on all destination TCP ports Remove Removes SYN filtering on ports The possible field values are Checked Removes SYN filtering from the selected port Unchecked Maintain...

Страница 149: ...packets To define SYN Rate Protection 1 Click Advanced Setup Security Suite DOS Attacks SYN Protection The SYN Rate Protection Page opens Figure 88 SYN Rate Protection Page The SYN Rate Protection Pag...

Страница 150: ...fields Interface Indicates the interface on which SYN Rate Protection is enabled The possible field values are Ports Displays the specific port on which SYN Rate Protection is enable LAGs Displays th...

Страница 151: ...ets cause an extra processing load Some firewalls block all fragments as the header information is sent to a higher layer protocol for filtering To define IP fragmentation 1 Click Advanced Setup Secur...

Страница 152: ...ge In addition to the fields in the IP Fragmented Filtering Page the Add IP Fragmented Filter Page contains the fol lowing additional field Prefix Defines the number of bits that comprise the destinat...

Страница 153: ...CMP Filtering Page opens Figure 92 ICMP Filtering Page The ICMP Filtering Page contains the following fields Interface Indicates the interface from which ICMP packets are discarded IP Address Indicate...

Страница 154: ...e In addition to the fields in the ICMP Filtering Page the Add ICMP Filtering Page contains the following additional field IP Address Provides a user defined address which is added to the IP ICMP filt...

Страница 155: ...o an interface all the ACE rules that have been defined are applied to the selected inter face Whenever an ACL is assigned on a port LAG or VLAN flows from that ingress interface that do not match the...

Страница 156: ...nterface Remove Unbinds the selected ACL from the interface The possible field values are Checked Unbinds the ACL and interface Unchecked Maintains the ACL and interface binding To modify ACL Binding...

Страница 157: ...ber 20 can receive TCP packets however if a UDP packet is received the packet is dropped ACLs are composed of access control entries ACEs that are made of the filters that determine traffic classifica...

Страница 158: ...e network RDP Remote Desktop Protocol RDP Allows a clients to communicate with the Terminal Server over the network IDRP Matches the packet to the Inter Domain Routing Protocol IDRP RVSP Matches the p...

Страница 159: ...ldcard mask Source Port The TCP UDP source port Destination Port The TCP UDP destination port DSCP Matches the packet DSCP value to the ACL Either the DSCP value or the IP Precedence value is used to...

Страница 160: ...IP based ACL 1 Click Advanced Setup Security Suite Access Control IP Based ACL The IP Based ACL Page opens 2 Click The Add IP Based ACL Page opens Figure 97 Add IP Based ACL Page 3 Define the fields 4...

Страница 161: ...IP based ACE 1 Click Advanced Setup Security Suite Access Control IP Based ACL The IP Based ACL Page opens 2 Click The Add IP Based ACE Page opens Figure 98 Add IP Based ACE Page 3 Define the fields...

Страница 162: ...eld values are Checked Removes the selected MAC based ACL Unchecked Maintains the MAC based ACLs MAC Based ACL Table In addition to the fields above the following fields appear in the IP Based ACL Tab...

Страница 163: ...he ACL criteria and disables the port to which the packet was addressed Remove Removes MAC Based ACLs The possible field values are Checked Removes the selected MAC Based ACL This is the default value...

Страница 164: ...ACE 1 Click Advanced Setup Security Suite Access Control MAC Based ACL The MAC Based ACL Page opens 2 Click The Add MAC Based ACE Page opens Figure 101 Add MAC Based ACE Page 3 Define the fields 4 Cl...

Страница 165: ...ed Lag fields Select Reactivate Suspended Port or Reactivate Suspended Lag fields to return a suspended port or LAG to active status To define port parameters 1 Click Basic Setup Interface Interface C...

Страница 166: ...negotiation setting the port advertises The possible field values are Max Capability Indicates that all port speeds and duplex mode settings are accepted 10 Half Indicates that the port advertises for...

Страница 167: ...ion Settings Page contains the following additional fields Reactivate Suspended Port or Reactivate Suspended LAG Reactivates a suspended port or LAG Current Port Status Indicates whether the port is c...

Страница 168: ...elds To display Interface Properties select a unit number Unit No Indicates the stacking member for which the port information is displayed Interface Properties Table In addition to the fields above t...

Страница 169: ...dify port properties 1 Click Basic Setup Interface Interface Properties The Interface Properties Page opens 2 Click The Port Properties Page opens Figure 105 Port Properties Page 3 Define the fields 4...

Страница 170: ...igured on the port The port is not assigned to a different LAG Auto negotiation mode is not configured on the port The port is in full duplex mode All ports in the LAG have the same ingress filtering...

Страница 171: ...s Page opens Figure 106 LACP Parameters Page The LACP Parameters Page contains the following fields To display LACP Parameters define t the following fields LACP System Priority Specifies system prior...

Страница 172: ...parameters 1 Click Advanced Setup Interface LACP Parameters The LACP Parameters Page opens 2 Click The LACP Parameters Settings Page opens Figure 107 LACP Parameters Settings Page 3 Edit the fields 4...

Страница 173: ...1 Click Advanced Setup Interface LAG Membership The LAG Membership Page opens Figure 108 LAG Membership Page The LAG Membership Page contains the following fields LAG Port Displays the ports which can...

Страница 174: ...rships 1 Click Advanced Setup Interface LAG Membership The LAG Membership Page opens 2 Click The LAG Membership Settings Page opens Figure 109 LAG Membership Settings Page 3 Define the fields 4 Click...

Страница 175: ...VLAN a Layer 3 router working at a protocol level is required to allow traffic flow between VLANs Layer 3 routers identify segments and coordinate with VLANs VLANs are Broadcast and Multicast domains...

Страница 176: ...N Properties select the following fields Select VLAN ID Contains a drop down list of the currently configured VLAN IDs Show All Displays all currently configured VLANs VLANS Properties Table In additi...

Страница 177: ...the Guest VLAN Disabled Disables unauthorized users from using the Guest VLAN Remove Removes VLAN The possible field values are Checked Removes the selected VLAN Unchecked Maintains the VLANs To add...

Страница 178: ...ip Membership The VLAN Membership Page opens Figure 112 VLAN Membership Page The VLAN Membership Page contains the following fields To display VLAN Membership settings select the following fields VLAN...

Страница 179: ...ray Excludes the port from the VLAN However the interface can be added to the VLAN through GARP Forbidden Purple Denies the port VLAN membership even if GARP indicates the port is to be added LAG Indi...

Страница 180: ...Interface Settings for ports and for Global System LAGS Interface Displays the port number included in the VLAN Interface VLAN Mode Displays the port mode The possible values are Customer Indicates th...

Страница 181: ...device Ingress filtering discards packets that are defined to VLANs of which the specific port is not a member Disable Disables ingress filtering on the device Reserved VLAN Indicates the VLAN select...

Страница 182: ...following The leave time must be greater than or equal to three times the join time The leave all time must be greater than the leave time Set the same GARP timer values on all Layer 2 connected devic...

Страница 183: ...nt received and cancelled by the Join message received Leave time must be greater than or equal to three times the join time The default value is 60 centiseconds Leave All Timer Indicates the amount o...

Страница 184: ...and LAG parameters The field definitions are the same The GVRP Parameters Page contains the following fields Unit No LAGs Displays the stacking member for which the GVRP parameters are displayed or s...

Страница 185: ...stration Indicates if VLAN registration through GVRP is enabled on the device The possible field values are Enable Enables GVRP registration on the device Disable Disables GVRP registration on the dev...

Страница 186: ...rotocol If the protocol classification is unsuccessful the user is classified by PVID This section contains the following topics Defining Protocol Based VLANs Defining VLAN Protocol Port Defining Prot...

Страница 187: ...m a VLAN or protocol group The possible field values are Checked Removes the selected interface from the protocol group Unchecked Maintains the interface within the protocol group To add a Protocol Gr...

Страница 188: ...ol Group settings 1 Click Advanced Setup VLAN Protocol Group The Protocol Group Page opens 2 Click Protocol Group Settings Page opens Figure 121 Protocol Group Settings Page 3 Modify the fields 4 Clic...

Страница 189: ...Page contains the following fields Interface Indicates the interfaces to which the protocol group is added The possible field values are Protocol Group ID Defines the Protocol group ID to which the i...

Страница 190: ...otocol port setting 1 Click Advanced Setup VLAN Protocol Port The VLAN Protocol Port Page opens 2 Click The Add Protocol Port Page opens Figure 123 Add Protocol Port Page 3 Define the fields 4 Click T...

Страница 191: ...o operational modes for IP Phones IP phones are configured with VLAN mode as enabled ensuring that tagged packets are used for all commu nications If the IP phone s VLAN mode is disabled the phone use...

Страница 192: ...the highest priority Remark CoS Reassigns the CoS tag value to packets received on the voice VLAN The possible field val ues are 0 7 where zero is the lowest priority and seven is the highest priority...

Страница 193: ...wing fields appear in the Voice VLAN Port Settings Table Interface Indicates the specific ports and LAGs to which the Voice VLAN settings are applied Voice VLAN Port LAG Mode Defines the Voice VLAN mo...

Страница 194: ...t security on the Voice VLAN This is the default value Membership Indicates if the Voice VLAN member is a static or dynamic member The possible field values are Dynamic Indicates the VLAN membership w...

Страница 195: ...ced Setup VLAN Voice VLAN OUI The OUI Page opens Figure 127 OUI Page The OUI Page contains the following fields Telephony OUI s Lists the OUIs currently enabled on the Voice VLAN The following OUIs ar...

Страница 196: ...dress Defines the destination IP address Prefix Length Defines the IP route prefix for the destination IP The prefix length must be preceded by a forward slash Next Hop Indicates the next hop s IP add...

Страница 197: ...opens Figure 129 Add IP Static Route Page 3 Define the fields 4 Click The Port LLDP settings are defined and the device is updated To modify an IP Static route 1 Click Basic Setup Routing IP Static R...

Страница 198: ...rmation for defining device IP addresses and includes the following topics Configuring IP Interfaces Configuring Domain Name Servers Configuring IP Interfaces This section contains information for def...

Страница 199: ...e Page The IP Interface Page contains the following fields IP Address Displays the currently configured IP address Mask Displays the currently configured IP address mask Interface Displays the port LA...

Страница 200: ...Setup IP Configuration IP Addressing IP Interface The IP Interface Page opens 2 Click The Add IP Interface Page opens Figure 132 Add IP Interface Page 3 Define the Source IP Address Network Mask or P...

Страница 201: ...interface settings 1 Click Basic Setup IP Configuration IP Addressing IP Interface The IP Interface Page opens 2 Click The IP Interface Settings Page opens Figure 133 IP Interface Settings Page 3 Mod...

Страница 202: ...Gateway Page opens Figure 134 Default Gateway Page The Default Gateway Page contains the following fields User Defined Default Gateway Defines the default gateway IP address Active Default Gateway Di...

Страница 203: ...up IP Configuration IP Addressing ARP The ARP Page opens Figure 135 ARP Page The ARP Page contains the following fields Define the following fields ARP Entry Age Out Specifies the amount of time in se...

Страница 204: ...iated with the MAC address MAC Address Displays the station MAC address which is associated in the ARP table with the IP address Status Displays the ARP table entry status Possible field values are Dy...

Страница 205: ...e 204 To modify ARP entries 1 Click Basic Setup IP Configuration IP Addressing ARP The ARP Page opens 2 Click The Edit ARP Settings Page opens Figure 137 Edit ARP Settings Page 3 Modify the fields 4 C...

Страница 206: ...roxy Page opens Figure 138 ARP Proxy Page The ARP Proxy Page contains the following field ARP Proxy Enables the device to respond to ARP requests for located nodes If disabled the device responds with...

Страница 207: ...ork devices can have a different IP address every time the device connects to the network To define a DHCP Interface 1 Click Basic Setup IP Configuration IP Addressing DHCP The DHCP Page opens Figure...

Страница 208: ...d a new DHCP IP interface 1 Click Basic Setup IP Configuration IP Addressing DHCP The DHCP Page opens 2 Click The Add DHCP IP Interface Page opens Figure 140 Add DHCP IP Interface Page 3 Define the fi...

Страница 209: ...P Relay Interfaces The DHCP Relay Interfaces Page contains the following fields Enable DHCP Relay Enables DHCP Relay on the device The possible field values are Checked Enables DHCP Relay on the devic...

Страница 210: ...erface 1 Click Basic Setup IP Configuration IP Addressing DHCP Relay Interfaces The DHCP Relay Inter faces opens 2 Click The Add DHCP Relay Interface Page opens Figure 142 Add DHCP Relay Interface Pag...

Страница 211: ...ay Interfaces The DHCP Relay Interfaces Page contains the following fields Enable DHCP Relay Enables DHCP Relay on the device The possible field values are Checked Enables DHCP Relay on the device Unc...

Страница 212: ...face 1 Click Basic Setup IP Configuration IP Addressing DHCP Relay Interfaces The DHCP Relay Inter faces opens 2 Click The Add DHCP Relay Interface Page opens Figure 144 Add DHCP Relay Interface Page...

Страница 213: ...5 DHCP Relay Server Page The DHCP Relay Server Page contains the following fields DHCP Relay Enables DHCP Relay on the device The possible field values are Enable Enables DHCP Relay on the device Disa...

Страница 214: ...a new DHCP Server 1 Click Basic Setup IP Configuration IP Addressing DHCP Relay Server The DHCP Relay Server Page opens 2 Click The Add DHCP Server Page opens Figure 146 Add DHCP Server Page 3 Define...

Страница 215: ...uration IP Addressing UDP Relay The UDP Relay Page opens Figure 147 UDP Relay Page The UDP Relay Page contains the following fields Source IP Interface Indicates the input IP interface that relays UDP...

Страница 216: ...settings are saved and the device is updated UDP Port Number Acronym Application 7 Echo Echo 11 SysStat Active User 15 NetStat Netstat 17 Quote Quote of the day 19 CHARGEN Character Generator 20 FTP d...

Страница 217: ...dify UDP Relay Settings 1 Click Basic Setup IP Configuration IP Addressing UDP Relay The UDP Relay Page opens 2 Click The UDP Relay Settings Page opens Figure 148 UDP Relay Settings Page 3 Modify the...

Страница 218: ...7 To add UDP Relay 1 Click Basic Setup IP Configuration IP Addressing UDP Relay The UDP Relay Page opens 2 Click The Add DHCP Server Page opens Figure 149 Add UDP Relay Page 3 Define the fields 4 Clic...

Страница 219: ...s The DNS Server Page contains fields for enabling and activating specific DNS servers To enable a DNS server 1 Click Basic Setup IP Configuration Domain Name System DNS Server The DNS Server Page ope...

Страница 220: ...possible field values are Checked Removes the selected server Unchecked Maintains the current server list 2 Define the fields 3 Click The DNS server settings are defined and the device is updated To...

Страница 221: ...s Figure 152 DNS Host Mapping Page The DNS Host Mapping Page contains the following fields Host Names Displays a user defined default domain name The Host Name field can contain up to 158 characters I...

Страница 222: ...new host 1 Click Basic Setup IP Configuration Domain Name System Host Mapping The DNS Host Mapping Page opens 2 Click The Add DNS Host Page opens Figure 153 Add DNS Host Page 3 Define the Host Name a...

Страница 223: ...s becomes associated with a port by learning the port from the frame s source address but if a frame that is addressed to a destination MAC address is not associated with a port that frame is flooded...

Страница 224: ...esses The Forwarding Database Static Addresses Page opens Figure 154 Forwarding Database Static Addresses Page The Forwarding Database Static Addresses Page contains the following fields VLAN ID Displ...

Страница 225: ...y The possible field values are Checked Removes the selected entry Unchecked Maintains the current static forwarding database 2 Define the fields 3 Click The Static addresses are removed and the devic...

Страница 226: ...ss table contains information about the aging time before a dynamic MAC address is erased and includes parameters for querying and viewing the Dynamic MAC Address table The Dynamic MAC Address table c...

Страница 227: ...ess for which the table is queried VLAN ID Specifies the VLAN ID for which the table is queried Address Table Sort Key Specifies the means by which the Dynamic MAC Address Table is sorted The address...

Страница 228: ...and eliminating loops For more infor mation on configuring Classic STP see Defining Classic Spanning Tree Rapid STP Detects and uses network topologies that provide faster convergence of the spanning...

Страница 229: ...STP on the device Disable Disables STP on the device STP Operation Mode Specifies the STP mode that is enabled on the device The possible field values are Classic STP Enables Classic STP on the devic...

Страница 230: ...Time The Maximum Age Time is the amount of time in seconds a bridge waits before sending configuration messages The default Maximum Age Time is 20 seconds Forward Delay 4 30 Specifies the device Forwa...

Страница 231: ...The STP Interface Page contains the following fields To display STP Interface settings select a Unit number Unit No Indicates the stacking member for which the Spanning Tree interface information is...

Страница 232: ...P is enabled Port Role Displays the port role assigned by the STP algorithm to provide to STP paths The possible field values are Root Provides the lowest cost path to forward packets to the root swit...

Страница 233: ...Interface settings 1 Click Advanced Setup Spanning Tree STP Interface Settings The STP Interface Page opens 2 Click The STP Interface Settings Page opens Figure 159 STP Interface Settings Page 3 Defi...

Страница 234: ...on as the ports but repre sent the LAG RSTP information To define RSTP on the device 1 Click Advanced Setup Spanning Tree RSTP RSTP The RSTP Page opens Figure 160 RSTP Page The RSTP Page contains the...

Страница 235: ...ed in the forwarding state Point to Point Admin Status Indicates whether a point to point link is established or if the device is per mitted to establish a point to point link The possible field value...

Страница 236: ...Page 235 To modify RSTP settings 1 Click Advanced Setup Spanning Tree RSTP RSTP The RSTP Page opens 2 Click The RSTP Settings Page opens Figure 161 RSTP Settings Page 3 Define the fields 4 Click RSTP...

Страница 237: ...ure 162 MSTP Properties Page The MSTP Properties Page contains the following fields Region Name User defined STP region name Revision An unsigned 16 bit number that identifies the revision of the curr...

Страница 238: ...up Spanning Tree MSTP Instance Settings The MSTP Instance Settings Page opens Figure 163 MSTP Instance Settings Page The MSTP Instance Settings Page contains the following fields Instance ID Specifies...

Страница 239: ...e Configuration 1 Click Advanced Setup Spanning Tree MSTP Instance Settings The MSTP Instance Settings Page opens 2 Click The MSTP Instance Configuration Table opens Figure 164 MSTP Instance Configura...

Страница 240: ...are Port Specifies the port for which the MSTP settings are displayed LAG Specifies the LAG for which the MSTP settings are displayed Port State Indicates whether the port is enabled for the specific...

Страница 241: ...on the device This is the default value Rapid STP Rapid STP is enabled on the device Multiple STP Multiple STP is enabled on the device Interface Priority 0 240 in steps of 16 Defines the interface pr...

Страница 242: ...he MSTP Interfaces 1 Click Advanced Setup Spanning Tree MSTP Interface Settings The MSTP Interface Settings Page opens 2 Click The MSTP Interface Table opens Figure 166 MSTP Interface Table 3 Modify t...

Страница 243: ...Configuring Multicast Forwarding This section contains information for configuring Multicast forwarding and Multicast TV and includes the following topics Defining IGMP Snooping Defining Multicast Bri...

Страница 244: ...g database To configure IGMP Snooping 1 Click Advanced Setup Multicast Support IGMP Snooping The IGMP Snooping Page opens Figure 167 IGMP Snooping Page The IGMP Snooping Page contains the following fi...

Страница 245: ...erface which serves as the querier on the VLAN Auto Learn Indicates if Auto Learn is enabled on the device If Auto Learn is enabled the devices auto matically learns where other Multicast groups are l...

Страница 246: ...IGMP Snooping settings 1 Click Advanced Setup Multicast Support IGMP Snooping The IGMP Snooping Page opens 2 Click The IGMP Snooping Settings Page opens Figure 168 IGMP Snooping Settings Page 3 Modify...

Страница 247: ...n Enables Bridge Multicast Filtering Indicate if bridge Multicast filtering is enabled on the device The pos sible field values are Checked Enables Multicast filtering on the device Unchecked Disables...

Страница 248: ...MP port and LAG members management settings D Dynamically joins ports LAG to the Multicast group in the Current Row S Attaches the port to the Multicast group as static member in the Static Row The po...

Страница 249: ...e appropriate port or VLAN Unless LAGs are defined only a Multicast Forward All table displays To define Multi cast forward all settings Figure 171 Multicast Forward All Settings Page The Multicast Fo...

Страница 250: ...iguring Multicast TV Multicast TV allows subscribers to join the same Multicast stream even if the subscribers are not members of the same VLAN eliminating television traffic duplication Ports which r...

Страница 251: ...ts are requesting to join or leave the Multicast group The IGMP Snooping Mapping Page allows network administrators to define IGMP Snooping for Multicast TV groups To define IGMP Snooping for Multicas...

Страница 252: ...ick Advanced Setup Multicast Support TV Multicast IGMP Snooping Mapping The IGMP Snooping Mapping Page opens 2 Click The Add IGMP Snooping Mapping Page opens Figure 173 Add IGMP Snooping Mapping Page...

Страница 253: ...TV Membership Page opens Figure 174 Multicast TV Membership Page The Multicast TV Membership Page contains the following fields Multicast TV VLAN ID Indicates the Multicast VLAN ID for which the table...

Страница 254: ...or SNMPv3 including Authentication Provides data integrity and data origin authentication Privacy Protects against the disclosure of message content Cipher Block Chaining CBC is used for encryption Ei...

Страница 255: ...ticating and encrypting packets sent to a user on the remote host To define the SNMP security parameters 1 Click System SNMP Security Global Parameters The SNMP Security Global Parameters Page opens F...

Страница 256: ...based on the device MAC address and is defined per standard as First 4 octets first bit 1 the rest is IANA Enterprise number Fifth octet Set to 3 to indicate the MAC address that follows Last 6 octets...

Страница 257: ...s 1 Click System SNMP Security Views The SNMP Security Views Page opens Figure 176 SNMP Security Views Page The SNMP Security Views Page contains the following fields View Name Displays the user defin...

Страница 258: ...add an SNMP View 1 Click System SNMP Security Views The SNMP Security Views Page opens 2 Click The Add SNMP View Page opens Figure 177 Add SNMP View Page 3 Define the field 4 Define the view using and...

Страница 259: ...Profile Page The SNMP Group Profile Page contains the following fields Group Name Displays the user defined group to which access control rules are applied The field range is up to 30 characters Secur...

Страница 260: ...NMP view Write Management access is read write and changes can be made to the assigned SNMP view Notify Sends traps for the assigned SNMP view Remove Removes SNMP groups The possible field values are...

Страница 261: ...MP Group Settings 1 Click System SNMP Security Group Profile The SNMP Group Profile Page opens 2 Click The SNMP Group Profile Settings Page opens Figure 180 SNMP Group Profile Settings Page 3 Modify t...

Страница 262: ...following fields User Name Contains a list of user defined user names The field range is up to 30 alphanumeric charac ters Group Name Contains a list of user defined SNMP groups SNMP groups are defin...

Страница 263: ...The Add SNMP Group Membership Page opens Figure 182 Add SNMP Group Membership Page In addition to the fields in the SNMP Group Membership Page the Add SNMP Group Membership Page contains the followin...

Страница 264: ...ce is updated To modify SNMP Group Membership Settings 1 Click System SNMP Security Group Membership The SNMP Group Membership Page opens 2 Click The SNMP Group Membership Settings Page opens Figure 1...

Страница 265: ...ies 1 Click System SNMP Security Communities The SNMP Communities Page opens Figure 184 SNMP Communities Page The SNMP Communities Page is divided into the following tables Basic Table Advanced Table...

Страница 266: ...ed Removes the selected SNMP community Unchecked Maintains the SNMP communities SNMP Communities Advanced Tables The SNMP Communities Advanced Table contains the following fields Management Station Di...

Страница 267: ...he device is updated To modify SNMP Group Membership Settings 1 Click System SNMP Security Communities The SNMP Communities Page opens 2 Click The SNMP Community Settings Page opens Figure 186 SNMP Co...

Страница 268: ...Parameters The SNMP Notification Properties Page contains parameters for defining SNMP notification parameters To define SNMP notification global parameters 1 Click System SNMP Notification Propertie...

Страница 269: ...ication failure notification is enabled on the device The possible field values are Enable Enables the device to send authentication failure notifications Disable Disables the device from sending auth...

Страница 270: ...otification Filter Page The SNMP Notification Filter Page contains the following fields Filter Name Contains a list of user defined notification filters Object Identifier Subtree Displays the OID for...

Страница 271: ...and DXS 3250E EWS User Guide Page 270 2 Click The Add SNMP Notification Filter Page opens Figure 189 Add SNMP Notification Filter Page 3 Define the fields 4 Click The SNMP notification filter is defin...

Страница 272: ...filters provide the following services Identifying Management Trap Targets Trap Filtering Selecting Trap Generation Parameters Providing Access Control Checks To define SNMP notification filters 1 Cli...

Страница 273: ...urrently selected recipient The possible field values are Checked Removes the selected recipient from the list of recipients Unchecked Maintains the list of recipients SNMPv3 Notification Recipient Th...

Страница 274: ...Click System SNMP Notification Notification Receiver The SNMP Notification Receiver Page opens 2 Click The Add SNMP Notification Receiver Page opens Figure 191 Add SNMP Notification Receiver Page 3 D...

Страница 275: ...Click System SNMP Notification Notification Receiver The SNMP Notification Receiver Page opens 2 Click The SNMP Notification Receiver Settings Page opens Figure 192 SNMP Notification Receiver Setting...

Страница 276: ...vice Page 275 Section 18 Configuring Quality of Service Configuring Quality of Service This section contains information for configuring QoS and includes the following topics Quality of Service Overvi...

Страница 277: ...default VPT value which is set on a per port basis The assigned VPT is used to map the packet to the egress queue CoS Services After packets are assigned to a specific egress queue CoS services can be...

Страница 278: ...lobally and on specific interfaces After QoS has been con figured the original device QoS default settings can be reassigned to the interface in the CoS Page To enable QoS 1 Click Basic Setup Quality...

Страница 279: ...a VLAN tag is not defined The possible field values are 0 7 The default CoS is 0 Restore Defaults Restores the selected interface to the default configuration 2 Select the CoS Mode field 3 Define the...

Страница 280: ...ameters Bandwidth The Bandwidth Settings Page opens Figure 194 Bandwidth Settings Page The Bandwidth Settings Page contains the following fields Unit no Indicates the stacking members for which the ba...

Страница 281: ...ted port Unchecked Maintains the settings To modify Bandwidth settings 1 Click Basic Setup Quality of Service Global Parameters Bandwidth The Bandwidth Settings Page opens 2 Select an interface 3 Clic...

Страница 282: ...limiting per VLAN 1 Click Basic Setup Quality of Service Global Parameters Rate Limit VLAN The Rate Limiting per VLAN Page opens Figure 196 Rate Limiting per VLAN Page The Rate Limiting per VLAN Page...

Страница 283: ...Basic Setup Quality of Service Global Parameters Rate Limit VLAN The Rate Limiting per VLAN Page opens 2 Select an interface 3 Click The Rate Limiting per VLAN Page opens Figure 197 Rate Limit VLAN Se...

Страница 284: ...a Rate Limit VLAN 1 Click Basic Setup Quality of Service Global Parameters Rate Limit VLAN The Rate Limiting per VLAN Page opens 2 Click The Add Rate Limit VLAN opens Figure 198 Add Rate Limit VLAN 3...

Страница 285: ...ercentage is set Strict Priority Specifies whether traffic scheduling is based strictly on the queue priority SDWRR Assigns SDWRR weights to queues This field is enabled only for queues in SDWRR queue...

Страница 286: ...lity of Service Queue Mapping CoS to Queue The CoS to Queue Page opens Figure 200 CoS to Queue Page The CoS to Queue Page contains the following fields Class of Service Specifies the CoS priority tag...

Страница 287: ...sic Setup Quality of Service Queue Mapping DSCP to Queue The DSCP to Queue Page opens Figure 201 DSCP to Queue Page The DSCP to Queue Page contains the following fields DSCP In Displays the incoming p...

Страница 288: ...ust The Trust Setup Page opens Figure 202 Trust Setup Page The Trust Setup Page contains the following Trust Mode Defines which packet fields to use for classifying packets entering the device When no...

Страница 289: ...p Quality of Service Basic Mode DSCP Rewrite The DSCP Rewrite Page opens Figure 203 DSCP Rewrite Page The DSCP Rewrite Page contains the following DSCP In Displays the incoming packet s DSCP value DSC...

Страница 290: ...nfiguring advanced QoS features and includes the following topics Defining Policy Properties Defining Policy Profiles Defining Policy Properties This section contains information for configuring advan...

Страница 291: ...roperties DSCP Mapping The Advanced DSCP Mapping Page opens Figure 204 Advanced DSCP Mapping Page The Advanced DSCP Mapping Page contains the following fields DSCP In Displays the incoming packet s DS...

Страница 292: ...gabit Ethernet Displays the Gigabit Ethernet port for which the tail drop settings are defined Ten Gigabit Ethernet Displays the Ten Gigabit Ethernet port for which the tail drop settings are defined...

Страница 293: ...frames with a lower DP To map DSCP values to DP values 1 Click Advanced Setup Quality of Service Policy Properties DSCP to DP The DSCP to DP Page opens Figure 206 DSCP to DP Page The DSCP to DP Page...

Страница 294: ...erties Class Map The Class Map Page opens Figure 207 Class Map Page The Class Map Page contains the following fields Class Map Name Displays the user defined name of the class map Preferred ACL Indica...

Страница 295: ...94 To add a Class Map 1 Click Advanced Setup Quality of Service Policy Properties Class Map The Class Map Page opens 2 Click The Add Class Map Page opens Figure 208 Add Class Map Page 3 Define the fie...

Страница 296: ...ontains information for defining the bandwidth limits and define actions to take on packets that do not meet the requirements To configure Aggregated policers 1 Click Advanced Setup Quality of Service...

Страница 297: ...r Unchecked Maintains the Aggregate Policer To add an Aggregate Policer 1 Click Advanced Setup Quality of Service Policy Properties Aggregate Policer The Aggregate Policer Page opens 2 Click The Add Q...

Страница 298: ...the name of the policy map to be created added to or modified must first be specified Class policies can be configured in a policy map only if the classes have defined match criteria An aggregate poli...

Страница 299: ...he class Possible values are Aggregate Configures the class to use a configured aggregate policer selected from the drop down menu An aggregate policer is defined if the policer is shared with multipl...

Страница 300: ...ommitted Burst Size CBS CBS in bytes per second This field is only relevant when the Police value is Single Exceed Action Action assigned to incoming packets exceeding the CIR This field is only relev...

Страница 301: ...e Policy Profiles Policy Binding The Policy Binding Page opens Figure 213 Policy Binding Page The Policy Binding Page contains the following fields Interface Selects an interface Policy Name Contains...

Страница 302: ...Policy binding Interface 1 Click Advanced Setup Quality of Service Policy Profiles Policy Binding The Policy Binding Page opens 2 Click The Add Rate Limit VLAN opens Figure 214 Add QoS Policy Binding...

Страница 303: ...ce discovery information includes Device Identification Device Capabilities Device Configuration The advertising device transmits multiple advertisement message sets in a single LAN packet The multipl...

Страница 304: ...Indicates that LLDP is enabled on the device Unchecked Indicates that LLDP is disabled on the device This is the default value Updates Interval 5 32768 Indicates that rate at which LLDP advertisement...

Страница 305: ...ng begins The possible field range is 1 10 seconds The field default is 2 seconds Transmit Delay 1 8192 Indicates the amount of time that passes between successive LLDP frame transmissions due to chan...

Страница 306: ...ch the LLDP Port Settings are displayed LLDP Port Settings Table Port c Contains a list of ports on which LLDP is enabled State Indicates if a port receives and transmits LLDP packets as well as manag...

Страница 307: ...s that can be advertised by the port The possible field val ues are Port Description Advertises the port description System Name Advertises the system name System Description Advertises the system des...

Страница 308: ...s if LLDP information is advertised from the management IP address The possible field values is Stop Advertising Stop Advertising stops sending LLDP advertisements from the management IP address 3 Def...

Страница 309: ...cluding what devices are located on the network and where the devices are located For example what IP phone is connected to what port what software is run ning on what switch and what port is connecte...

Страница 310: ...or a Voice application Voice Signaling Indicates that the network policy is defined for a Voice Signaling application Guest Voice Indicates that the network policy is defined for a Guest Voice applica...

Страница 311: ...nes the priority assigned to the network application DSCP Value Defines the DSCP value assigned to the network policy The possible field value is 1 64 Remove Removes the LLDP MED Network Policy The po...

Страница 312: ...the LLDP MED port settings are displayed LLDP MED Port Settings Table Port Displays the port on which LLDP MED is enabled or disabled LLDP MED Status Indicates if LLDP MED is enabled on the selected p...

Страница 313: ...s Contains a list of available TLVs that can be advertised by the port The pos sible field values are Network Policy Advertises the network policy attached to the port Location Advertises the port s l...

Страница 314: ...tailed port LLDP MED information 5 Click The Advertise Information Details Page opens Figure 222 Advertise Information Details Page The Advertise Information Details Page contains the following fields...

Страница 315: ...etwork Policy for each of the following application types Voice Voice Signaling Guest Voice Guest Voice Signaling Softphone Voice Video Conferencing Streaming Video Video Signaling Flags Displays the...

Страница 316: ...LLDP Neighbors Information Page opens Figure 223 LLDP Neighbors Information Page The LLDP Neighbors Information Page contains the following fields To display LLDP Neighbors Information select a Unit n...

Страница 317: ...int T Telephone D DOCSIS cable device H Host r Repeater O Other Remove Removes LLDP Neighbor Information The possible field values are Checked Removes LLDP Neighbor Information from the interface Unch...

Страница 318: ...on Page 317 Figure 224 LLDP Neighbors Information Details For information on the fields in the LLDP Neighbors Information Details refer to the Advertise Information Details Page To clear the Neighbors...

Страница 319: ...ile contents can be copied to either the running configuration the Startup Configuration files or to a different backup files The device currently supports five backup files The Backup file names are...

Страница 320: ...The File Download Page opens Figure 225 File Download Page The File Download Page is divided into the following sections Download Type Firmware Download Configuration Download Each type of file can be...

Страница 321: ...Browse Specifies the URL to the file to download Click Browse to browse for the file This field appears only if via HTTP is selected Configuration Download The Configuration Download section contains...

Страница 322: ...Upload Page is divided into the following sections Upload Type Firmware Upload Configuration Upload Each type of file can be uploaded via TFTP whereas only Configuration files can be uploaded via HTT...

Страница 323: ...are Image Uploads the Image file Boot Code Uploads the Boot file Configuration Upload The Configuration Upload section contains the following fields TFTP Server IP Address Specifies the TFTP Server IP...

Страница 324: ...ive Image Page opens Figure 227 Active Image Page The Active Image Page contains the following fields Unit No The unit number for which the Image file is selected Active Image The Image file which is...

Страница 325: ...e Destination Indicates the destination Possible values are Backup 1 4 All Copy Configuration Copies the Running Configuration file to the Startup Configuration file Source Indicates the configuration...

Страница 326: ...stored in the file management system Size Indicates the file size Modified Indicates the date the file was last modified Permission Indicates the permission type assigned to the file The possible fie...

Страница 327: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 326...

Страница 328: ...on their urgency or relevancy Each message severity determines the set of event logging devices that are sent per each event message The following table lists the log severity levels This section incl...

Страница 329: ...he possible field values are Checked Enables device logs Unchecked Disables device logs Severity The following are the available log severity levels Emergency The highest warning level If the device i...

Страница 330: ...a severity level is selected all severity level choices above the selection are selected automatically Console Defines the minimum severity level from which logs are sent to the console RAM Logs Defin...

Страница 331: ...mory The Device Memory Log Page opens Figure 231 Device Memory Log Page The Device Memory Log Page contains the following fields Log Index Displays the log number Log Time Displays the time at which t...

Страница 332: ...lable after reboot To view the message logs Figure 232 Syslog Flash Page The Syslog Flash Page contains the following fields Log Index Displays the log number Log Time Displays the time at which the l...

Страница 333: ...server logs are sent The possible range is 1 65535 The default value is 514 Facility Defines an application from which system logs are sent to the remote server Only one facility can be assigned to a...

Страница 334: ...ver from the Servers Log Parameters Page Once removed logs are no longer sent to the removed server Unchecked Maintains the remote servers To add a remote Log server 1 Click System Syslog Servers The...

Страница 335: ...forwarding copies of incoming and outgoing packets from one port to a monitoring port Port mirroring can be used as a diagnostic tool as well as a debugging feature Port mirroring also enables switch...

Страница 336: ...s is the default value Status Indicates if the port is currently monitored The possible field values are Active Indicates the port is currently monitored notReady Indicates the port is not currently m...

Страница 337: ...port mirroring settings 1 Click System Diagnostics Port Mirroring The Port Mirroring Page opens 2 Click The Port Mirroring Settings Page opens Figure 237 Port Mirroring Settings Page 3 Modify the fiel...

Страница 338: ...n be tested Cables are tested when the ports are in the down state with the exception of the Approximated Cable Length test To test cables Figure 238 Copper Cable Tests Page The Copper Cable Tests Pag...

Страница 339: ...hat the cable passed the test Cable Fault Distance Indicates the distance from the port where the cable error occurred Last Update Indicates the last time the port was tested Cable Length Indicates th...

Страница 340: ...supply status The device has two power supplies AC PS and DC RPS Power supply 1 is displayed as PS1 in the interface while the redundant power supply is displayed as RPS The possible field values are...

Страница 341: ...o Indicates the stacking member for which the optical transceiver Information is displayed Optical Transceiver Information Table Port Displays the port IP address on which the cable is tested Temperat...

Страница 342: ...PU Utilization Page opens Figure 241 CPU Utilization Page The CPU Utilization Page contains the following fields CPU Utilization Displays CPU resource utilization information The possible field values...

Страница 343: ...les per ACL Comments QoS Advanced Mode rules No limit 1 or 2 TCAM entries per each rule Feature is activated by default Access Control Rules No limit 1 or 2 TCAM entries per each rule Feature is activ...

Страница 344: ...sources The TCAM Resources Page opens Figure 242 TCAM Resources Page The TCAM Resources Page contains the following fields Unit ID Indicates the stacking member for which TCAM resource usage is displa...

Страница 345: ...the third Sunday in October until the third Saturday in March During the period of Daylight Saving Time Brazilian clocks go forward one hour in most of the Brazilian southeast Chile In Easter Island...

Страница 346: ...of March until the last weekend of October Paraguay From April 6 until September 7 Poland From the last weekend of March until the last weekend of October Portugal From the last weekend of March unti...

Страница 347: ...mple 04 May 50 May 4 2050 Local Time The system time The field format is HH MM SS For example 21 15 03 Time Zone Offset The difference between Greenwich Mean Time GMT and local time For example the Ti...

Страница 348: ...le if DST ends on March 23 2008 at midnight the two fields should be 23 Mar 08 and 00 00 The possible field values are Date The date on which DST ends The possible field range is 1 31 Month The month...

Страница 349: ...ermined by the following time levels T1 The time at which the original request was sent by the client T2 The time at which the original request was received by the server T3 The time at which the serv...

Страница 350: ...Properties Page opens Figure 244 SNTP Properties Page The SNTP Properties Page contains the following fields Poll Interval Defines the interval in seconds at which the SNTP server is polled for Unica...

Страница 351: ...server for Unicast server time information If the Enable Receive Broadcast Servers Updates Enable Receive Anycast Servers Updates and Enable Receive Unicast Servers Updates fields are all enabled the...

Страница 352: ...The possible field values are Checked Authenticates SNTP sessions between the device and SNTP server Unchecked Disables authenticating SNTP sessions between the device and SNTP server Encryption Key I...

Страница 353: ...ntication select Enable SNTP Authentication 1 Click System SNTP Authentication The SNTP Authentication Page opens 2 Click The Add SNTP Authentication page opens Figure 246 Add SNTP Authentication 3 De...

Страница 354: ...tion used to communicate between the SNTP server and device The field range is 1 4294967295 Preference Indicates which SNTP server provides the SNTP system time The possible field values are Primary I...

Страница 355: ...r a device request to reach the SNTP server Remove Removes SNTP servers from the SNTP server list The possible field values are Checked Removes the SNTP server Unchecked Maintains the SNTP server To a...

Страница 356: ...SNTP Interface Settings Page contains the following fields Interface Indicates the interface on which SNTP can be enabled The possible field values are Port Indicates the specific port number on whic...

Страница 357: ...6 To add an SNTP Interface 1 Click System SNTP Interface Settings The SNTP Interface Settings Page opens 2 Click The Add SNTP Interface Page opens Figure 250 Add SNTP Interface Page 3 Define the field...

Страница 358: ...ces GVRP EAP and Etherlike statistics This section contains the following topics Viewing Interface Statistics Managing RMON Statistics Viewing QoS Statistics Viewing Interface Statistics This section...

Страница 359: ...ble field values are Unit No Defines the specific unit no for which interface statistics are displayed Port Defines the specific port for which interface statistics are displayed LAG Defines the speci...

Страница 360: ...ber of error packets received from the selected interface Transmit Statistics Total Bytes Octets Displays the number of octets transmitted from the selected interface Unicast Packets Displays the numb...

Страница 361: ...he port utilization statis tics 1 Click Basic Setup Interface Statistics Port Utilization The Port Utilization Page opens Figure 252 Port Utilization Page The Port Utilization Page contains the follow...

Страница 362: ...ike statistics are displayed Refresh Rate Defines the amount of time that passes before the interface statistics are refreshed The possible field values are No Refresh Indicates that the Etherlike sta...

Страница 363: ...selected interface Received Pause Frames Displays the number of received paused frames on the selected interface Transmitted Paused Frames Displays the number of paused frames transmitted from the sel...

Страница 364: ...cs are displayed LAG Indicates LAG statistics are displayed Refresh Rate Indicates the amount of time that passes before the GVRP statistics are refreshed The pos sible field values are No Refresh Ind...

Страница 365: ...d Setup Interface Statistics EAP The EAP Statistics Page opens Figure 255 EAP Statistics Page The EAP Statistics Page contains the following fields Interface Specifies the interface type for which the...

Страница 366: ...rt Request Frames Transmit Indicates the number of EAP Request frames transmitted via the port Invalid Frames Receive Indicates the number of unrecognized EAPOL frames that have been received by on th...

Страница 367: ...227P DXS 3250 and DXS 3250E EWS User Guide Page 366 Managing RMON Statistics This section contains the following topics Viewing RMON Statistics Configuring RMON History Configuring RMON Events Definin...

Страница 368: ...N statistics are displayed Refresh Rate Defines the amount of time that passes before the interface statistics are refreshed The possible field values are 15 Sec Indicates that the RMON statistics are...

Страница 369: ...e was last refreshed Fragments Displays the number of fragments packets with less than 64 octets excluding framing bits but including FCS octets received on the interface since the device was last ref...

Страница 370: ...ens Figure 257 RMON History Control Page The RMON History Control Page contains the following fields History Entry No Displays the entry number for the History Control Table page Source Interface Disp...

Страница 371: ...ies The possible field values are Checked Removes the selected History Control entry Unchecked Maintains the current History Control entries To add an RMON History Control setting 1 Click Advanced Set...

Страница 372: ...ple number from which the statistics were taken Drop Events Displays the number of dropped events that have occurred on the interface since the device was last refreshed Received Bytes Octets Displays...

Страница 373: ...g framing bits but including FCS octets received on the interface since the device was last refreshed Jabbers Displays the total number of received packets that were longer than 1518 octets This numbe...

Страница 374: ...Events Control Page opens Figure 260 RMON Events Control Page The RMON Events Control Page contains the following fields Event Entry Displays the event Community Displays the community to which the ev...

Страница 375: ...Owner Displays the device or user that defined the event Remove Removes a RMON event The possible field values are Checked Removes a selected RMON event Unchecked Maintains RMON events 2 Define the fi...

Страница 376: ...logs 1 Click Advanced Setup RMON Events Events Logs The RMON Events Logs Page opens Figure 261 RMON Events Logs Page The RMON Events Logs Page contains the following fields Event Displays the RMON Ev...

Страница 377: ...e displayed The possible field values are Port Displays the RMON statistics for the selected port LAG Displays the RMON statistics for the selected LAG Counter Value Displays the selected MIB variable...

Страница 378: ...iggers the falling threshold alarm The falling threshold is graphically presented on top of the graph bars Each monitored variable is designated a color Falling Event Displays the mechanism in which t...

Страница 379: ...f profile packets that are received on an interface To view Aggregate Policer Statistics 1 Click Advanced Setup Quality of Service Policy Profile Policy The Aggregate Policer Page opens Figure 264 Agg...

Страница 380: ...cleared Viewing Policer Statistics The Policer Statistics Page indicates the amount of in profile and out of profile packets that are received on an interface To view policer statistics 1 Click Advan...

Страница 381: ...Policer Statistic Table entries Resetting Policer Statistics Counters 1 Open the Policer Statistics Page 2 Click The policer statistics counters are cleared Viewing Queue Statistics The Queue Statisti...

Страница 382: ...frames that exceed policer CIR threshold Total packets Indicates the total amount of packets which were transmitted through the queue TD packets Indicates the total packet percentage of packets marked...

Страница 383: ...DXS 3250E Stackable 48 Port 10 100 1000BASE T Switch with 4 SFP ports and an optional dual XFP module DXS 3227 Stackable 24 Port 10 100 1000BASE T Switch with 1 XFP fixed port and 2 optional 10G Modul...

Страница 384: ...f Service The IEEE 802 1p signaling technique is an OSI Layer 2 standard for marking and prioritizing network traffic at the data link MAC sub layer 802 1p traffic is classified and sent to the destin...

Страница 385: ...ion within a Layer 2 broadcast domain by mapping an IP address to a MAC address However because ARP allows a gratuitous reply from a host even if an ARP request was not received an ARP spoofing attack...

Страница 386: ...Jumbo frames Support for 10K jumbo frames LACP LACP uses peer exchanges across links to determine on an ongoing basis the aggregation capability of various links and continuously provides the maximum...

Страница 387: ...or more MSTP bridges by which frames can be transmitted The standard lets administrators assign VLAN traffic to unique paths Multicast TV VLAN Support for distributing video multicast streams to users...

Страница 388: ...DIUS Accounting RADIUS Accounting enables to record device management sessions Telnet serial and WEB but not SNMP and or 802 1x authentication sessions Rapid Spanning Tree Spanning Tree can take 30 60...

Страница 389: ...SH Secure Shell SSH is a protocol that provides a secure remote connection to a device SSH version 2 is currently supported The SSH server feature enables an SSH client to establish a secure encrypted...

Страница 390: ...ts Packets sharing common attributes can be grouped in the same VLAN VLAN aware MAC based Switching The device always performs VLAN aware bridging Classic bridging IEEE802 1D is not performed where fr...

Страница 391: ...em must be determined This includes how the problem is detected and what are the possible causes of the problem With the problem known the effect of the problem is recorded with all known results from...

Страница 392: ...rect serial cable Software settings Replace the serial cable Replace serial cable for a pin to pin straight flat cable Reconfigure the emulation software connection set tings Response from the ter min...

Страница 393: ...correct twisting of pairs Fiber optical cable con nection is reversed Bad cable Wrong cable type Check pinout and replace if necessary Change if necessary Check Rx and Tx on fiber optic cable Replace...

Страница 394: ...g message is displayed Console reload Are you sure you want to reboot the system y n n 2 Enter Y The device reboots After the POST when the text Autoboot in 2 seconds press RETURN or Esc to abort and...

Страница 395: ...ion pertaining to the product and in that case the product is being sold As Is without any warranty whatsoever including without limitation the Warranty as described herein notwithstanding anything st...

Страница 396: ...s Inc Other trademarks or registered trademarks are the property of their respective owners Copyright Statement No part of this publication or documentation accompanying this product may be reproduced...

Страница 397: ...Technical Support Contacting D Link Technical Support Page 395...

Страница 398: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 396...

Страница 399: ...Technical Support Contacting D Link Technical Support Page 397...

Страница 400: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 398...

Страница 401: ...Technical Support Contacting D Link Technical Support Page 399...

Страница 402: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 400...

Страница 403: ...Technical Support Contacting D Link Technical Support Page 401...

Страница 404: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 402...

Страница 405: ...Technical Support Contacting D Link Technical Support Page 403...

Страница 406: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 404...

Страница 407: ...Technical Support Contacting D Link Technical Support Page 405...

Страница 408: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 406...

Страница 409: ...Technical Support Contacting D Link Technical Support Page 407...

Страница 410: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 408...

Страница 411: ...Technical Support Contacting D Link Technical Support Page 409...

Страница 412: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 410...

Страница 413: ...Technical Support Contacting D Link Technical Support Page 411...

Страница 414: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 412...

Страница 415: ...Technical Support Contacting D Link Technical Support Page 413...

Страница 416: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 414...

Страница 417: ...Technical Support Contacting D Link Technical Support Page 415...

Страница 418: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 416...

Страница 419: ...Technical Support Contacting D Link Technical Support Page 417...

Страница 420: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 418...

Страница 421: ...Technical Support Contacting D Link Technical Support Page 419...

Страница 422: ...DXS 3227 DXS 3227P DXS 3250 and DXS 3250E EWS User Guide Page 420...

Страница 423: ...421 Product Registration D Link products can be registered online at http support dlink com register Product registration is entirely voluntary and failure to complete or return this form will not dim...

Страница 424: ...stralia 1 Giffnock Avenue North Ryde NSW 2113 Australia TEL 61 2 8899 1800 FAX 61 2 8899 1868 URL www dlink com au India D Link House Kurla Bandra Complex Road Off CST Road Santacruz East Mumbai 40009...

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