SMC Networks SMC6709GL2 Скачать руководство пользователя

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RUNK

ONFIGURATION

3-19

Web

– Click Administrator=>Trunking=>Aggregator Information to

display currently configured trunks and group members.

Содержание SMC6709GL2

Страница 1: ...Gbps aggregate bandwidth Spanning Tree Protocol Port mirroring for non intrusive analysis QoS support with two priority queues Full support for VLANs with GVRP IP multicasting with IGMP snooping Secur...

Страница 2: ......

Страница 3: ...38 Tesla Irvine CA 92618 Phone 949 679 8000 TigerSwitch 10 100 Management Guide From SMC s Tiger line of feature rich workgroup LAN solutions March 2004...

Страница 4: ...se No license is granted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2004 by 38 Tesla Irvi...

Страница 5: ...ccess 2 7 Community Strings 2 7 3 Configuring the Switch 3 1 Using the Web Interface 3 1 Navigating the Web Browser Interface 3 2 Home Page 3 2 Configuration Options 3 3 Panel Display 3 3 Main Menu 3...

Страница 6: ...splaying Information About the Root Bridge 3 36 Configuring Port STP Settings 3 36 Displaying Port Status for STP 3 38 Port Mirroring 3 39 Simple Network Management Protocol 3 40 Configuring System In...

Страница 7: ...us Configuration Menu 4 32 Configuring Port Security 4 33 Configuring Address Aging 4 35 Configuring Broadcast Storm Control 4 36 Configuring the Transmit Delay Bound 4 37 Protocol Related Configurati...

Страница 8: ...CONTENTS viii A Software Specifications A 1 Switch Features A 1 Management Features A 2 Standards A 2 B Upgrading Firmware B 1 C Troubleshooting C 1 Glossary Index...

Страница 9: ...n Authentication Console Telnet Web User name password SNMP Community strings Configuration Backup Restore Backup to TFTP server Port Configuration Speed duplex mode and flow control Port Mirroring On...

Страница 10: ...waiting transmission on congested networks Spanning Tree Protocol The switch supports IEEE 802 1D Spanning Tree Protocol This protocol adds a level of fault tolerance by allowing two or more redundant...

Страница 11: ...p link ports per trunk Broadcast Suppression Broadcast suppression prevents broadcast traffic from overwhelming the network When enabled on a port the level of broadcast traffic passing through the po...

Страница 12: ...ble lists some of the basic system defaults Function Parameter Default IP Settings IP Address 0 0 0 0 Subnet Mask 0 0 0 0 Default Gateway 0 0 0 0 SNMP Community Strings public read only Traps Authenti...

Страница 13: ...dresses none Filter addresses none Multicast Filtering IGMP Snooping Disabled IGMP Query Auto negotiation Virtual LANs VLAN Status Disabled Default VLAN 1 PVID 1 Ingress Filtering Rule 1 Tag must matc...

Страница 14: ...INTRODUCTION 1 6...

Страница 15: ...statistics using a standard Web browser such as Netscape Navigator version 6 2 and higher or Microsoft IE version 5 0 and higher The switch s Web management interface can be accessed from any computer...

Страница 16: ...s The switch provides an RS 232 serial port that enables a connection to a PC or terminal for monitoring and configuring the switch A null modem console cable is provided with the switch Attach a VT10...

Страница 17: ...anually configure this address to one that matches your specific network requirements see Setting an IP Address on page 2 5 After configuring the switch s IP parameters you can access the onboard conf...

Страница 18: ...asswords Note If this is your first time to log in you should define a new user name and password record them and put them in a safe place A user name or password can consist of up to 15 alphanumeric...

Страница 19: ...ch You may also need to specify a default gateway that resides between this device and management stations that exist on another network segment Valid IP addresses consist of four decimal numbers 0 to...

Страница 20: ...ress Ctrl A to return to the action bar at the bottom of the screen Select Save and press any key to continue The IP addresses shown below are merely examples 3 Navigate back to the Main Menu go to Re...

Страница 21: ...ve occurred Community Strings Community strings are used to control management access to SNMP stations as well as to authorize SNMP stations to receive trap messages from the switch You therefore need...

Страница 22: ...ction bar at the bottom of the screen Select Save and press any key to continue The community string shown below is an example Tiger Switch 10 100 6709GL2 Add SNMP Community Community Name private Wri...

Страница 23: ...console menu refer to Chapter 4 Console Interface Prior to accessing the switch from a Web browser be sure you have first performed the following tasks 1 Configure the switch with a valid IP address...

Страница 24: ...rs and statistics The default user name and password for the administrator is admin Home Page When your Web browser connects with the switch s Web agent the home page is displayed as shown below The i...

Страница 25: ...etting for item Check for newer versions of stored pages should be Every visit to the page 2 When using Internet Explorer 5 0 you may have to manually refresh the screen after making configuration cha...

Страница 26: ...and global settings for STP IGMP and VLANs 3 6 Console Port Info Displays settings for the console port 3 9 Port Controls 3 10 Port Controls Configures connection settings including speed duplex mode...

Страница 27: ...40 System Options Provides basic system description including contact information 3 40 Community Strings Configures community strings 3 40 Trap Managers Sets trap management stations 3 41 Security Ma...

Страница 28: ...board Default config value version Default configuration version Web Click Switch Settings Basic Global Switch Settings Use the Switch Settings Advanced menu to configure address aging packet transmi...

Страница 29: ...ed entry is discarded if no new traffic is seen from that address Range 300 765 seconds Default 300 seconds Max bridge transmit delay bound control Limits the time packets can be queued in the switch...

Страница 30: ...hted Round Robin Sets the preference given to packets in the high priority queue This specifies the number of high priority packets sent before one low priority packet is sent Range 1 7 Default 2 Enab...

Страница 31: ...rameters via the Console Information page and adjust the settings for the PC or terminal connected to this port See Required Connections on page 2 2 for information on how to connect to the console po...

Страница 32: ...der Configuring Interface Connections on page 3 11 2 The Config field shows the configured settings and the Actual field shows the current operational status Field Attributes State Shows if the port i...

Страница 33: ...manual selection of duplex mode Flow Control Allows manual selection of flow control Flow control can eliminate frame loss by blocking traffic from end stations or segments connected directly to the s...

Страница 34: ...nal Link Indicates if the link is Up or Down TxGoodPkt The total number of packets transmitted out of the interface including framing characters TxBadPkt The number of outbound packets that could not...

Страница 35: ...en two devices You can create up to four trunks at a time Command Usage Besides balancing the load across each port in the trunk the other ports provide redundancy by taking over the load if a port in...

Страница 36: ...oop in the network be sure that you add a static trunk via the Web interface before connecting the ports and also disconnect ports before removing a static trunk via the Web interface When using stati...

Страница 37: ...oup ID and click the Get button to display the settings for the specified group Set LACP to Disable Use the Add and Remove buttons to assign port members and then click Apply Click Administrator Trunk...

Страница 38: ...embers at one or both ends of the link are set to actively initiate a link the trunk will be activated automatically If the number of active ports i e Work Ports is less than the number of assigned po...

Страница 39: ...active ports can also be specified in this field i e using the text box to the right If the number of active ports is less than the number of assigned members excess ports will be placed in standby m...

Страница 40: ...Priority on the Aggregator Setting page MAC The physical address of the devices at both ends of the link Port No Active port members Other ports may be in standby mode Key Only one dynamic trunk can...

Страница 41: ...TRUNK CONFIGURATION 3 19 Web Click Administrator Trunking Aggregator Information to display currently configured trunks and group members...

Страница 42: ...ort Lists all ports that can be configured as LACP trunk members LACP State Activity When set to Active a port can automatically initiate a trunk if an LACP partner is detected at the other end of the...

Страница 43: ...support real time applications such as video conferencing or streaming audio A multicast server does not have to establish a separate connection with each client It merely broadcasts its service to th...

Страница 44: ...icast traffic This is also referred to as IGMP Snooping Default Enabled IGMP Query Mode When enabled or selected as the Querier through auto negotiation the switch will serve as the local Querier whic...

Страница 45: ...FORWARDING AND FILTERING 3 23 Click Administrator Filtering Database IGMP Snooping...

Страница 46: ...egardless of whether the device is physically connected to the switch This saves the switch from having to re learn a device s MAC address when the disconnected or powered off device becomes active on...

Страница 47: ...y learn the source MAC address for frames received on an interface for an initial training period and then enable port security to stop address learning Be sure you enable the learning function long e...

Страница 48: ...ess and associated VLAN if tagged VLANs are enabled Field Attributes MAC Address Source MAC address Vlan ID ID of configured VLAN 1 4094 This option is only available if IEEE 802 1Q tagged VLANs are e...

Страница 49: ...provide greater network efficiency by reducing broadcast traffic and allow you to make network changes without having to update IP addresses or IP subnets VLANs provide a high level of network securi...

Страница 50: ...designated for the same VLAN Port based VLANs can be used to manually isolate user groups or subnets However you should use IEEE 802 3 tagged VLANs with GVRP whenever possible to fully automate VLAN r...

Страница 51: ...assign ports on the other VLAN aware network devices along the path that will carry this traffic to the same VLAN s either manually or dynamically using GVRP However if you want a port on this switch...

Страница 52: ...ANs and forward the message to all other ports When the message arrives at another switch that supports GVRP it will also place the receiving port in the specified VLANs and pass the message on to all...

Страница 53: ...e to 802 1Q with or without GVRP then click Apply Click Administrator VLAN Configuration Basic Click Add to create a group Enter the VLAN Name 1 15 characters and Group ID 2 4094 Select a protocol typ...

Страница 54: ...t in their member set will be discarded at the ingress port Default Enabled Ingress filtering only affects tagged frames If enabled the port will discard incoming frames tagged for VLANs which do not...

Страница 55: ...VLAN CONFIGURATION 3 33 Web Click Administrator VLAN Configuration Port VID Set the PVID and Ingress Filtering rules then click Apply...

Страница 56: ...ing Global STP Settings Global settings apply to the entire switch Field Attributes Priority Bridge priority is used in selecting the root device root port and designated port The device with the high...

Страница 57: ...ault 2 Minimum 1 Maximum The lower of 10 or Max Message Age 2 1 Forward Delay Time The maximum time in seconds the root device will wait before changing states i e listening to learning to forwarding...

Страница 58: ...oot device MAC Address MAC address of the root device Root Path Cost The path cost from the root port on this switch to the root device Root Port The number of the port on this switch that is closest...

Страница 59: ...t priority the port with lowest numeric identifier will be enabled Default 128 Range 0 255 Path Cost This parameter is used by STP to determine the best path between devices Therefore lower values sho...

Страница 60: ...forward packets Listening Port will leave blocking state due to a topology change start transmitting configuration messages but will not yet forward packets Learning Port has transmitted configuratio...

Страница 61: ...itor port All mirror sessions must share the same destination port When mirroring port traffic the target port must be included in the same VLAN as the source port Field Attributes Roving Analysis Sta...

Страница 62: ...on The options for configuring community strings and related trap functions are described in the following sections Configuring System Information Use the SNMP page to identify the system by providing...

Страница 63: ...cts Web Click Administrator SNMP Enter a new string in the text box and select the access rights then click Add Specifying Trap Managers You can specify up to five management stations that will receiv...

Страница 64: ...ed in Appendix B The default administrator name is admin with the password admin Note that the user name and password controls access to both the Web interface and the console menu Field Attributes Us...

Страница 65: ...ion File Name The file name should not contain slashes or the leading letter of the file name should not be a period and the maximum length for file names is 25 characters Valid characters A Z a z 0 9...

Страница 66: ...me The configuration file name should not contain slashes or the leading letter of the file name should not be a period and the maximum length for file names is 15 characters Valid characters A Z a z...

Страница 67: ...eset button to restore the default configuration settings Note When restarting the system it always runs the Power On Self Test Rebooting the System Web Click Reboot Click the Reboot button to restart...

Страница 68: ...CONFIGURING THE SWITCH 3 46...

Страница 69: ...rs as shown below If this is your first time to log into the configuration program then use the default admin for both the user name and password The administrator has read write access to all configu...

Страница 70: ...s available from this program Notes 1 Options for the currently selected item are displayed in the highlighted area at the bottom of the interface screen 2 The console interface will time out and retu...

Страница 71: ...Configuration Device Information IP Configuration Change Username Change Password STP SNMP GVRP LACP STP Enable System Configuration Perport Configuration System Options Community Strings Trap Manager...

Страница 72: ...ures connection settings including speed duplex mode and flow control also assigns ports to trunks 4 16 Port Mirroring Configuration Sets the source and target ports for mirroring 4 18 VLAN Configurat...

Страница 73: ...uration Configures global bridge parameters for STP 4 43 Perport Configuration Configures port specific parameters for STP 4 45 SNMP Configures SNMP management access 4 47 System Options Provides basi...

Страница 74: ...Counters Port Status Port Counters System Information Main Menu Displays current status of all the switch ports Tab Next Item BackSpace Previous Item Enter Select Item Menu Description Page Port Statu...

Страница 75: ...ort speed and duplex mode Flow Control Indicates the type of flow control in use Console Click Status and Counters Port Status Tiger Switch 10 100 6709GL2 Port Status Port Type Enabled Status Mode Flo...

Страница 76: ...d since the last system reboot and are shown as counts per second Statistics are refreshed every 5 seconds Field Attributes See Showing Port Statistics on page 3 12 Console Click Status and Counters P...

Страница 77: ...al layer address for this switch Firmware Version Version number of runtime code Hardware Version Hardware version of the main board Default config value version Default configuration version Console...

Страница 78: ...ab Next Item BackSpace Previous Item Enter Select Item Menu Description Page Administration Configuration Configures device information IP address user name and password 4 11 Port Trunk Configuration...

Страница 79: ...maximum queue delay 4 32 Tiger Switch 10 100 6709GL2 Device Configuration Device Information IP Configuration Change Username Change Password Previous Menu Configure the device information Tab Next I...

Страница 80: ...Descriptive information about the system Console Click Switch Static Configuration Administration Configuration Device Information Specify the system name location and other information and save your...

Страница 81: ...ic subnets Gateway Gateway used to pass trap messages from the system s agent to the management station Note that the gateway must be defined if the management station is located in a different IP seg...

Страница 82: ...trol access to both the Web interface and the console menu Console Click Switch Static Configuration Administration Configuration Change Username Set a new user name and save it Note Maximum string le...

Страница 83: ...th the Web interface and the console menu Console Click Switch Static Configuration Administration Configuration Change Password Enter the old password enter the new password confirm it by entering it...

Страница 84: ...port speed and duplex mode Flow Control Allows automatic or manual selection of flow control Flow control can eliminate frame loss by blocking traffic from end stations or segments connected directly...

Страница 85: ...tiate Config Control 1 10 100TX Yes Enabled 100 Full On 2 10 100TX Yes Enabled 100 Full On 3 10 100TX Yes Enabled 100 Full On 4 10 100TX Yes Enabled 100 Full On 5 10 100TX Yes Enabled 100 Full On 6 10...

Страница 86: ...to the target port and study the traffic crossing the source port in a completely unobtrusive manner Command Usage Monitor port speed should match or exceed source port speed otherwise traffic may be...

Страница 87: ...ch Static Configuration Port Mirroring Configuration Enable monitoring specify the monitoring or analysis port the monitor ports and traffic types to mirror then save your settings Tiger Switch 10 100...

Страница 88: ...oup Edit Delete a VLAN Group Previous Menu Configure the VLAN PVID and Ingress Rule Tab Next Item BackSpace Previous Item Quit Previous Menu Enter Select Item Menu Description Page VLAN Configure Sets...

Страница 89: ...PortBased and save this setting Click Switch Static Configuration VLAN Configuration Create a VLAN Group Enter the VLAN Name 1 15 characters and Group ID 1 4094 Use the Space bar to select port member...

Страница 90: ...LAN Group VLAN Name TPS Grp ID 2 1 4094 Port Member 1 No 2 No 3 Member 4 Member 5 Member 6 No 7 No 8 No 9 No actions Quit Edit Save Select the Action menu Tab Next Item BackSpace Previous Item Quit Pr...

Страница 91: ...port in their member set will be discarded at the ingress port Default Drop Ingress filtering only affects tagged frames If enabled the port will discard incoming frames tagged for VLANs which do not...

Страница 92: ...want to create a protocol based VLAN Use the Space bar to set each port to transmit tagged or untagged frames then save your settings Tiger Switch 10 100 6709GL2 VLAN Support Configuraton VLAN Mode 80...

Страница 93: ...Group VLAN Name TPS VLAN ID 2 1 4094 Protocol VLAN None Port Member 1 No 2 No 3 Tagged 4 UnTagged 5 UnTagged 6 No 7 No 8 No 9 No actions Quit Edit Save Select the Action menu Tab Next Item BackSpace P...

Страница 94: ...he default priority levels are assigned according to recommendations in the IEEE 802 1p standard However you can map the priority levels to the switch s output queues in any way that benefits applicat...

Страница 95: ...of servicing the priority queues and save your settings Tiger Switch 10 100 6709GL2 Priority Configuration Priority 0 Low Priority 1 Low Priority 2 Low Priority 3 Low Priority 4 High Priority 5 High...

Страница 96: ...pted on the specified interface Static addresses remain in the switch s address table regardless of whether the device is physically connected to the switch This saves the switch from having to re lea...

Страница 97: ...Configuration MAC Address Configuration Static MAC Address Click Add to open the Add Static MAC Address page Specify the MAC address port number and VLAN ID then save your settings After you configure...

Страница 98: ...802 1Q tagged VLANs are enabled page 4 23 Console Click Switch Static Configuration MAC Address Configuration Filtering MAC Address Click Add to open the Add Filter MAC Address page Enter a MAC addre...

Страница 99: ...299434DE Vlan ID 2 actions Edit Save Quit Save successfully Press any key to return Tab Next Item BackSpace Previous Item Quit Previous Menu Enter Select Item Tiger Switch 10 100 6709GL2 Filter MAC Ad...

Страница 100: ...ge Transmit Delay Bound Previous Menu Configurate the port security Tab Next Item BackSpace Previous Item Enter Select Item Menu Description Page Port Security Enables and disables address learning 4...

Страница 101: ...ity first allow the switch to dynamically learn the source MAC address for frames received on an interface for an initial training period and then enable port security to stop address learning Be sure...

Страница 102: ...Port Security Port Enable Security disable for MAC Learning 1 Disable 2 Disable 3 Disable 4 Disable 5 enable 6 Disable 7 Disable 8 Disable 9 Disable actions Quit Edit Save Select the Action menu Tab...

Страница 103: ...g traffic and stored in the dynamic address table You can set the aging time after which inactive entries are removed Range 300 765 seconds Default 300 seconds Console Click Switch Static Configuratio...

Страница 104: ...st storms by setting a maximum threshold for broadcast traffic The percentage of a port s total bandwidth used by broadcast traffic When broadcast traffic rises above the specified threshold broadcast...

Страница 105: ...ority packets that exceed the delay bound will be sent Note that the Max bridge transmit delay bound control must be enabled for the Enable Delay Bound to function Max Delay Time Sets the maximum queu...

Страница 106: ...GL2 Configure Max Bridge Transmit Delay Bound Max bridge transmit delay bound OFF Enable Delay Bound Disabled Max Delay Time 0 actions Edit Save Quit Select the action menu Tab Next Item BackSpace Pre...

Страница 107: ...6709GL2 Protocol Related Configuration STP SNMP GVRP LACP Previous Menu Configure the Spanning Tree Protocol Tab Next Item BackSpace Previous Item Enter Select Item Menu Description Page STP Configure...

Страница 108: ...automatically take over when a primary link goes down Tiger Switch 10 100 6709GL2 Spanning Tree Protocol STP Enable System Configuration Perport Configuration Previous Menu Enabled or disabled the Sp...

Страница 109: ...y its priority and MAC address The maximum age hello time and forward delay currently used by all bridges in the spanning tree are set to those values configured on the root bridge Field Attributes Pr...

Страница 110: ...Time The maximum time in seconds the root device will wait before changing states i e listening to learning to forwarding This delay is required because every device must receive information about to...

Страница 111: ...ange 0 65535 Maximum Age The maximum time in seconds a device can wait without receiving a configuration message before attempting to reconfigure All device ports except for designated ports should re...

Страница 112: ...might result Default 15 Minimum The higher of 4 or Max Message Age 2 1 Maximum 30 Console Click Protocol Related Configuration STP System Configuration Modify the required attributes and save your set...

Страница 113: ...his makes a port with higher priority less likely to be blocked if the Spanning Tree Protocol is detecting network loops Where more than one port is assigned the highest priority the port with lowest...

Страница 114: ...ch 10 100 6709GL2 STP Port Configuration Port PortState PathCost Priority 1 Disabled 10 128 2 Forwarding 10 128 3 Disabled 10 128 4 Disabled 10 128 5 Disabled 10 128 6 Disabled 10 128 7 Disabled 10 12...

Страница 115: ...are controlled by community strings To communicate with the switch the management station must first submit a valid community string for authentication The options for configuring community strings an...

Страница 116: ...cation System Contact Administrator responsible for the system Console Click Protocol Related Configuration SNMP System Options Specify the system name location and contact information for the system...

Страница 117: ...Authorized management stations are only able to retrieve MIB objects Unrestricted Specifies read write access Authorized management stations are able to both retrieve and modify MIB objects Console Cl...

Страница 118: ...as a password and allows the trap manager to receive trap messages via the SNMP protocol Console Click Protocol Related Configuration SNMP Trap Managers Click Add to open the Add SNMP Trap Manager pa...

Страница 119: ...work Use the GVRP page to enable automatic VLAN registration and to support VLANs which extend beyond the local switch Default Disabled Note GVRP will also be enabled if the VLAN Mode selection under...

Страница 120: ...ed automatically If the number of active ports i e Work Ports is less than the number of assigned port all the other ports will be placed in a standby mode Should one link in the trunk fail one of the...

Страница 121: ...Work Port Num Specifies the number of active ports If the number of active ports is less than the number of assigned members excess ports will be placed in standby mode and only brought into service i...

Страница 122: ...4 Tiger Switch 10 100 6709GL2 LACP Group Configuration Group LACP LACP Work Port Num Trk1 Enabled 2 actions Edit Save Quit Select the action menu Tab Next Item BackSpace Previous Item Quit Previous Me...

Страница 123: ...the link Passive A port can only create a trunk if an LACP partner at the other end of the link sends a request to initiate the trunk Console Click Protocol Related Configuration LACP State Activity S...

Страница 124: ...set to the LACP State of Active This is the same as the System Priority on the Aggregator Setting page MAC The physical address of the devices at both ends of the link Port No Active port members Oth...

Страница 125: ...No 4 5 actions Quit Previous Page Next Page Select the action menu Tab Next Item BackSpace Previous Item Quit Previous Menu Enter Select Item Tiger Switch 10 100 6709GL2 LACP Group Status Group Actor...

Страница 126: ...want to continue 2 When rebooting the switch i e using the Restart option the system will be rebooted immediately no message is displayed 3 When restarting the system by either of the above methods i...

Страница 127: ...VLAN Support Up to 128 groups port based or with 802 1Q VLAN tagging GVRP for automatic VLAN learning Multicast Filtering IGMP Snooping and Query Quality of Service Supports two priority queues Queuin...

Страница 128: ...1493 Ethernet Like MIB RFC 1643 IGMP RFC 1112 SNMP RFC 1157 RMON MIB RFC 1757 MIB 2 RFC 1213 ARP RFC 826 RMON Support Groups 1 2 3 9 Statistics History Alarm Event Standards IEEE 802 3 Ethernet IEEE...

Страница 129: ...tion screen appears as shown below press X to download system firmware 3 Change your baud rate to the 57600 bps When using Windows HyperTerminal disconnect set the baud rate and reconnect 4 From the t...

Страница 130: ...0 bps When using Windows HyperTerminal disconnect set the baud rate and reconnect 6 Then press Enter to open the Log on screen For details on managing the switch refer to the appropriate chapters in t...

Страница 131: ...d that the port you are using has not been disabled Check network cabling between the management station and the switch If you cannot connect using Telnet there may already be four active sessions Try...

Страница 132: ...TROUBLESHOOTING C 2...

Страница 133: ...evice that does not act as a network interconnection Full Duplex Transmission method that allows the switch and attached device to transmit and receive concurrently effectively doubling the bandwidth...

Страница 134: ...smit packets based on the tagged priority value IEEE 802 3ac Defines frame extensions for VLAN tagging IEEE 802 3x Defines Ethernet frame start stop requests and timers used for flow control on full d...

Страница 135: ...nterconnected computer and support devices Link Aggregation See Port Trunk Link Aggregation Control Protocol LACP Allows ports to automatically negotiate a trunked link with LACP configured ports on a...

Страница 136: ...polling required in standard SNMP and can set alarms on a variety of traffic conditions including specific error types Simple Network Management Protocol SNMP The application protocol in the Internet...

Страница 137: ...s that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers and allows users to share...

Страница 138: ...GLOSSARY Glossary 6...

Страница 139: ...9 D default settings system 1 4 delay bound 3 8 4 37 downloading software 3 43 B 1 F features management A 2 switch A 1 firmware displaying version 3 6 4 9 downloading 3 43 B 1 upgrading 3 43 B 1 G G...

Страница 140: ...s 3 43 B 1 software version displaying 3 6 4 9 Spanning Tree Protocol 3 34 4 40 standards IEEE A 2 static addresses 3 24 4 28 statistics port 3 12 4 8 system software downloading from server 3 43 B 1...

Страница 141: ......

Страница 142: ...ce 33 0 41 38 32 32 Fax 33 0 41 38 01 58 Italy 39 02 739 12 33 Fax 39 02 739 14 17 Benelux 31 33 455 72 88 Fax 31 33 455 73 30 Central Europe 49 0 89 92861 0 Fax 49 0 89 92861 230 Switzerland 41 0 1 9...

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