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Stackable NWay Ethernet Switch User’s Guide  

48 

Switch Management Concepts 

 

Server #2

Server #1

VLAN 1

VLAN 2

PVID=1

PVID=2

1. Station in VLAN 2
    transmits packet to
    Server #2

2. Ingress port (untagging)
    forwards packet on VLAN 2

3. Egress port (tagging)
    tags packet with VID
    

4. Ingress port (tagging) reads tag,
    forwards packet to server

5. Egress port (untagging)
    strips tag

VLAN 2

VLAN 1

Slot1

Console

Giga1 G i g a 2

Slot2

Sio1

S i o 2

S i o 3

Slot3

15x

18x

17x

20x

19x

7x

10x

9x

12x

11x

14x

13x

16x

Uplink

3x

1x

2x

4x

6x

5x

8x

Slot1

Power

TEG-S244M (SWITCH #1)

TEG-S224M (SWITCH #2)

S l o t 1

Console

Giga1

Giga2

Slot2

S i o 1 S i o 2 S i o 3

Slot3

15x

18x

17x

20x

19x

7 x

1 0 x

9 x

1 2 x

1 1 x

14x

13x

16x

U p l i n k

3

x

1

x

2

x

4

x

6 x

5 x

8 x

Slot1

Power

 

Figure 5-5.  Data transmissions between 802.1Q-compliant 
Switches   

In the above example, step 4 is the key element. Because the packet 
has 802.1Q VLAN data encoded in its header, the ingress port can 
make VLAN-based decisions about its delivery: whether server #2 is 
attached to a port that is a member of VLAN 2 and, thus, should the 
packet be delivered; the queuing priority to give to the packet, etc. It 
can also perform these functions for VLAN 1 packets as well, and, in 
fact, for any tagged packet  it receives  regardless of the VLAN 
number. 

If the ingress port in step 4 were connected to a non-802.1Q-
compliant device and was thus receiving untagged packets, it would 

Содержание TEG-S224 Series

Страница 1: ...TEG S224 Series Stackable NWay Ethernet Switch User s Guide First Edition Feb 2000 Printed In Taiwan RECYCLABLE...

Страница 2: ...radiate radio frequency energy and if not installed and used in accordance with this user s guide may cause harmful interference to radio communications Operation of this equipment in a residential ar...

Страница 3: ...ts 4 Performance features 5 Management 6 2 UNPACKING AND SETUP 7 UNPACKING 7 SETUP 8 DESKTOP OR SHELF INSTALLATION 8 RACK INSTALLATION 9 POWER ON 10 Power Failure 11 3 IDENTIFYING EXTERNAL COMPONENTS...

Страница 4: ...ing Time 33 Filtering Database 34 SPANNING TREE ALGORITHM 35 STA Operation Levels 35 On the Bridge Level 36 On the Port Level 36 User Changeable STA Parameters 37 Illustration of STA 38 PORT TRUNKING...

Страница 5: ...panning Tree Protocol 73 STP Parameter Settings 74 STP Custom Settings 78 Configure Filtering and Forwarding Table 79 Configure Static Forwarding Table Entry 81 Configure MAC Address Filtering 82 Conf...

Страница 6: ...NT 120 INTRODUCTION 120 GETTING STARTED 121 MANAGEMENT 121 Configuration 122 IP Address 123 Switch 124 Advanced 126 Switch Unit 127 Port 128 Port Trunk 130 Port Mirroring 131 Spanning Tree Protocol 13...

Страница 7: ...e Address Table 167 Browse IGMP Status 168 Switch History 169 Maintenance 169 Firmware and Configuration Update 170 Save Settings To TFTP Server 171 Save Switch History To TFTP Server 172 Save Changes...

Страница 8: ...Switch LED indicators 22 Figure 4 1 Switch connected to an End Node 25 Figure 4 2 Switch connected to a normal non Uplink port on a hub or switch using a straight or crossover cable 26 Figure 5 1 Bef...

Страница 9: ...n 87 Figure 6 26 IEEE 802 1Q IGMP Configuration screen 88 Figure 6 27 VLANs MAC based Broadcast Domains Configuration screen 89 Figure 6 28 MAC Based Broadcast Domains Configuration menu 91 Figure 6 2...

Страница 10: ...nning Tree Custom Setting window 134 Figure 7 10 Configure Forwarding Table And Filtering Table window 136 Figure 7 11 Static Forwarding Table window 137 Figure 7 12 Static Forwarding Table Edit windo...

Страница 11: ...e Address Table window 167 Figure 7 39 Browse IGMP Status window 168 Figure 7 40 Switch History window 169 Figure 7 41 Firmware and Configuration Update window 170 Figure 7 42 Save Settings To TFTP Se...

Страница 12: ...or Microsoft Internet Explorer 4 x or later are recommended Conventions References in this manual to the TEG S224 Series are frequently written simply as Switch or Switches where the text applies to...

Страница 13: ...DCE console port and other aspects about how to manage the Switch Chapter 6 Using the Console Interface Tells how to use the built in console interface to change set and monitor Switch performance and...

Страница 14: ......

Страница 15: ...AN technologies are proposed to provide greater bandwidth and improve client server response times Among them Fast Ethernet or 100BASE T provides a non disruptive smooth evolution from the current 10B...

Страница 16: ...ts such as your backbone and servers to Gigabit Ethernet can greatly improve network response times as well as significantly speed up the traffic between your subnets Gigabit Ethernet enables fast opt...

Страница 17: ...t to another from one port to another is automatically forwarded by the switch without interfering with any other segments ports This allows the total network capacity to be multiplied while still mai...

Страница 18: ...ude Ports 20 high performance NWay ports all operating at 10 100 Mbps for connection to servers and hubs 19 ports 10 100 fixed Ethernet TP interface and one MDI II MDI X jack connection are supported...

Страница 19: ...ce Performance features Store and forward switching scheme capability to support rate adaptation and protocol conversion Full and half duplex for 10Mbps and 100Mbps connections The 1000BASE SX module...

Страница 20: ...device with automatic learning and aging 10 to 9999 seconds 12 MB packet buffer per device Supports Broadcast Storm filtering Supports IGMP Multicast snooping Management RS 232 console port for out of...

Страница 21: ...g carton of the Switch and carefully unpack its contents The carton should contain the following items One Stackable NWay Ethernet Switch Mounting kit two mounting brackets and screws Four rubber feet...

Страница 22: ...ee that it is secured fully to the AC power connector Make sure that there is proper heat dissipation from and adequate ventilation around the Switch Do not place heavy objects on the Switch Desktop o...

Страница 23: ...Rack Installation The Switch can be mounted in an EIA standard size 19 inch rack which can be placed in a wiring closet with other equipment To install attach the mounting brackets on the switch s fr...

Страница 24: ...r on The Switch can be used with AC power sources 100 240 VAC 50 60 Hz The power switch is located at the rear of the unit adjacent to the AC power connector and the system fan The Switch s power supp...

Страница 25: ...erforms a self test After approximately 40 seconds the LED will light continuously to indicate the Switch is in a ready state The console LED indicator will remain ON if there is a connection at the R...

Страница 26: ...e or two uplink jacks a slide in module slot for 10 100 Mbps Ethernet ports an RS 232 communication port TEG S224M and TEG S224MF only and LED indicators TEG S224S TEG S224M Slot2 Sio1 Sio2 Sio3 15x 1...

Страница 27: ...following modules 2 port TX 2 port FX MT RJ or 1 port FX SC One or two MDI II uplink jacks are supported Port numbers 1 and 2 on the TEG S224S and the TEG S224SF are equipped with MDI X jacks for norm...

Страница 28: ...n the rear panel is for stacking to another device to implement a high port count manageable Switch The three port module is for a master device and a one port module is for a client device The AC pow...

Страница 29: ...ir circulation system components might overheat which could lead to system failure Stack Operation The TEG S224M and the TEG S224MF are intelligent Switches capable of acting as a master for up to thr...

Страница 30: ...ternal Components TEG S224S TEG S224M Figure 3 4 Switch stack with one master and three clients Please note that two client switches can also be connected via the Stacking input output ports The follo...

Страница 31: ...er Local 10Mbps printer pc pc pc pc 10 100Mbps Hub pc pc 10 100Mbps Hub Local 100Mbps server Local 100Mbps server Local 10Mbps printer Local 10Mbps printer 10 100Mbps Hub Local 10Mbps printer Figure 3...

Страница 32: ...Figure 3 6 Two port 100BASE FX MT RJ module Two port front panel module Connects to 100BASE FX devices at full or half duplex Supports multi mode fiber optic cable connections of up to 412 meters in...

Страница 33: ...or half duplex Supports multi mode fiber optic cable connections of up to 412 meters in half duplex or 2 km in full duplex mode 100BASE TX Module TEG S224S Figure 3 8 Two port 100BASE TX module Two p...

Страница 34: ...ne or two port rear panel module Connects to 1000BASE SX devices at full duplex Allows connections using multi mode fiber optic cable in the following configurations 62 5 m 62 5 m 50 m 50 m Modal band...

Страница 35: ...le One port rear panel module Connects to a 1000BASE LX device at full duplex Allows connections up to 5 km in length using single mode fiber optic cable LED Indicators The LED indicators of the Switc...

Страница 36: ...the Power On Self Test POST is running or if the system s configuration has changed This LED will light orange when an error occurs Console This indicator is lit green when the switch is being manage...

Страница 37: ...tch Sio2 This indicator is lit green when a Stacking IO port is present in the rear panel of the Switch Sio3 This indicator is lit green when a Stacking IO port is present in the rear panel of the Swi...

Страница 38: ...an MDI II port must connect to an MDI X port An end node can be connected to the Switch via a two pair Category 3 4 5 UTP STP straight cable be sure to use Category 5 UTP or STP cabling for 100 Mbps F...

Страница 39: ...tes are possible for an end node to switch connection 1 The 100M LED indicator comes ON for a 100 Mbps and stays OFF for 10 Mbps 2 The Link Act LED indicator lights up upon hooking up a PC that is pow...

Страница 40: ...link port make the connection with a normal straight through cable from one of the Uplink ports on the switch to any normal crossed port on the hub Alternatively if you have a crossover cable you can...

Страница 41: ...le NWay Ethernet Switch User s Guide Connecting The Switch 27 100BASE TX Device For a 100BASE TX device the Switch s LED indicators should display the following 100M LED speed indicator is ON Link Act...

Страница 42: ...2 DCE console port This is an Out Of Band connection meaning that it is on a different circuit than normal network communications and thus works even when the network is down The local console managem...

Страница 43: ...E console port is called Local Console Management to differentiate it from management done via management platforms such as D View HP OpenView etc The console port is set for the following configurati...

Страница 44: ...rk manager and vice versa For security you can set in the Switch a list of IP Addresses of the network managers that you allow to manage the Switch You can also change the default Community Name in th...

Страница 45: ...is different from a factory reset Warm Start This trap signifies that the Switch has been rebooted however the Power On Self Test POST is skipped Authentication Failure This trap signifies that someon...

Страница 46: ...he Switch uses the standard MIB II Management Information Base module Consequently values for MIB objects can be retrieved from any SNMP based network manager software In addition to the standard MIB...

Страница 47: ...t Forwarding The Switch learns the network configuration and uses this information to forward packets This reduces the traffic congestion on the network because packets instead of being transmitted to...

Страница 48: ...iscards packets whose destination lies on the same port as where it originated This keeps local packets from disrupting communications on other parts of the network For intrusion control whenever a sw...

Страница 49: ...understood Please read the following before making any changes Network loop detection and prevention With STA there will be only one path between any two LANs If there is more than one path forwarded...

Страница 50: ...hat has the lowest Root Path Cost to the Root Bridge is the Designated Bridge It forwards data packets for that LAN segment In cases where all Switches have the same Root Path Cost the switch with the...

Страница 51: ...set at the factory unless it is absolutely necessary The user changeable parameters in the Switch are as follows Bridge Priority A Bridge Priority can be from 0 to 65535 0 is equal to the highest Bri...

Страница 52: ...tration of STA A simple illustration of three Bridges or the Switch connected in a loop is depicted in Figure 5 1 In this example you can anticipate some major network problems if the STA assistance i...

Страница 53: ...omplex Therefore you are advised to keep the default factory settings and STA will automatically assign root bridges ports and block loop connections However if you need to customize the STA parameter...

Страница 54: ...state Max Age 2 x Forward Delay 1 Max Age 2 x Hello Time 1 Port Level STA parameters Enable Disable Enable Disable Enable or disable this LAN segment Disable a port for security or problem isolation P...

Страница 55: ...ch 10 Mbps 10 Mbps 100 Mbps 10 Mbps 10 Mbps 100 MBps 10 Mbps 10 Mbps 100 Mbps 100 Mbps PC PC PC PC PC PC PC PC PC 100 Mbps Workstation Workstation 100 Mbps 100 Mbps 800 Mbps Port Trunking Uplink Serve...

Страница 56: ...that are members of that VLAN Another benefit of VLANs is that you can change the network topology without physically moving stations or changing cable connections Stations can be moved simply by chan...

Страница 57: ...to understanding IEEE 802 1Q VLANs Port VLAN ID numbers PVID and VLAN ID numbers VID Both variables are assigned to a switch port but there a re important differences between them A user can only assi...

Страница 58: ...l only transmit on VLAN 2 because it s Port VLAN ID number is 2 PVID 2 Sharing Resources Across VLANs Network resources such as printers and servers however can be shared across VLANs This is achieved...

Страница 59: ...PVID 1 and Ports 11 and 11 send these packets on VLAN 2 PVID 2 The third VLAN PVID 3 is used by the server to transmit files that had been requested on VLAN 1 or 2 back to the computers All computers...

Страница 60: ...If the packet is tagged with VLAN information the ingress port will first determine if the ingress port itself is a member of the tagged VLAN and can thus receive the packet if the Ingress Filter is...

Страница 61: ...the receiving device VLANs Over 802 1Q compliant Switches When switches maintaining the same VLANs are 802 1Q compliant it is possible to use tagging Tagging puts 802 1Q VLAN information into each pa...

Страница 62: ...S i o 1 S i o 2 S i o 3 Slot3 1 5 x 18x 17x 20x 19x 7 x 10x 9 x 12x 11x 1 4 x 1 3 x 1 6 x Uplink 3 x 1 x 2 x 4 x 6 x 5 x 8 x Slot1 Power Figure 5 5 Data transmissions between 802 1Q compliant Switches...

Страница 63: ...s Basically they consist of broadcast packets that flood and or are looped on a network causing noticeable performance degradation and in extreme cases network failure Some of the causes of broadcast...

Страница 64: ...affected port This effectively partitions the broadcast packets from the rest of the network thereby limiting the effects of a broadcast storm The port based Broadcast Storm Filter settings can be set...

Страница 65: ...In addition the console program will allow you to set up the Switch for management using an SNMP based network management system This chapter describes how to use the console interface to access the...

Страница 66: ...onventions 1 Items in angle brackets can be toggled on or off using the space bar 2 Items in square brackets can be changed by typing in a new value You can use the backspace and delete keys to erase...

Страница 67: ...ls how to log onto the Switch Note The passwords used to access the Switch are case sensitive therefore S is not the same as s When you first connect to the Switch you will be presented with the first...

Страница 68: ...User Accounts Management From the screen above move the cursor to the User Accounts Management menu and press Enter then the Users Accounts Management menu appears 1 Choose Create Modify User Account...

Страница 69: ...to users with Administrator privileges may not be available to Normal Users The main menus shown are the menus for the two types of users The following table summarizes Administrator and Normal User p...

Страница 70: ...ged in all screens by pressing Ctrl S When this is done the settings will be immediately applied to the switching software in RAM and will immediately take effect Some settings though require you to r...

Страница 71: ...initial values listed in Appendix D which were present when the Switch was purchased Login On The Switch Console By Registered Users To log in once you have created a registered user 1 Type in your us...

Страница 72: ...ser s Guide 58 Using the Console Interface Figure 6 4 User Accounts Management menu 2 Choose Create Modify User Accounts The following screen appears Figure 6 5 Add Modify User Accounts screen 3 Type...

Страница 73: ...ffect This method can also be used by an Administrator level user to change another user s password View Delete User Accounts Access to the console whether using the console port or via Telnet is cont...

Страница 74: ...to Yes 2 Press APPLY to let the user deletion take effect Setting Up The Switch This section will help prepare the Switch user by describing the System Configuration Update Firmware and Configuration...

Страница 75: ...management information Configure IP Address The Switch needs to have a TCP IP address assigned to it so that an in band network management system or Telnet client can find it on the network The IP Add...

Страница 76: ...up The BOOTP protocol allows IP addresses network masks and default gateways to be assigned on a central BOOTP server if this option is set the Switch will first look for a BOOTP server to provide it...

Страница 77: ...tside the current subnet should be sent This is usually the address of a router or a host acting as an IP gateway If your network is not part of an internetwork or you do not want the Switch to be acc...

Страница 78: ...of band SLIP management or for console management starting from the next time the Switch is restarted In this field you can toggle between SLIP or console port type settings Baud Rate Determines the...

Страница 79: ...Switch and allows you to set the System Name System Location and System Contact These settings can be retrieved from the Switch using SNMP requests allowing these settings to be used for network mana...

Страница 80: ...riable sysContact and is used to give the name and contact information for the person responsible for administering the Switch Information of Individual Switch Unit This screen allows you to view info...

Страница 81: ...figure Advanced Switch Features screen The fields you can set are Port Auto Partition Capability on All Ports When this function is enabled if too many consecutive collisions occur on an individual po...

Страница 82: ...stined for Port 3 gets delivered immediately Configure Port The port configuration screen allows you to change the port state in the case when you would like to partition a port due to e xcessive coll...

Страница 83: ...will intervene and tell the transmitting device to pause to allow the information in the port buffer to be sent Confirm that Flow Control is in force by checking the Status field Priority Selects Norm...

Страница 84: ...ort to drop all broadcast frames thus isolating the broadcast storm Blocking Trap performs the same action as Blocking except it also sends a trap to the designated Trap Recipient informing them of th...

Страница 85: ...d cannot be changed Configure Trunk Ports on the Switch can be grouped together in a single logical port called a trunk This is discussed in detail in the Port Trunking section of the Switch Managemen...

Страница 86: ...r 5 6 8 and 11 The third entry used for 2 port front panel modules has a permanent setting of 2 ports State Enabled Disabled or Clear Be careful when clearing trunk groups as the connections will retu...

Страница 87: ...MON probe Note You cannot mirror a fast port onto a slower port For example if you try to mirror the traffic from a 100 Mbps port onto a 10 Mbps port this can cause throughput problems The port you ar...

Страница 88: ...same chapter entitled Spanning Tree Algorithm before changing any of the parameters STP Parameter Settings To change the Protocol Parameters 1 Choose Configure Spanning Tree Protocol from the System C...

Страница 89: ...Time 1 10 sec field 6 Enter the Bridge Forward Delay time in the Forward Delay 4 30 sec field 7 Enter the Bridge Priority in the Bridge Priority 0 65535 field The information on the screen is describe...

Страница 90: ...t of a network loop data packets will pass through the root port Max Age Sec Read only object indicates the maximum age of STP information learned from the network on any port before it is discarded F...

Страница 91: ...kets sent by the Root Bridge to tell all other switches that it is indeed the Root Bridge If you set a Hello Time for your Switch and it is not the Root Bridge the set Hello Time will be used if and w...

Страница 92: ...ol menu The following screen appears Figure 6 18 STP Custom Settings screen Items in the above window are described as follows STP State Sets the Spanning Tree Protocol on a particular port to Enabled...

Страница 93: ...fined here briefly as follows Dynamic Filtering is defined when a dynamic entry is created by the Learning Process as a result of observation of network traffic in the Filtering Database Static Filter...

Страница 94: ...rding table helps keep intruders off your network since any packet coming from an unknown source address will be dropped by the Switch Address Table Lookup Mode This setting allows the user to tailor...

Страница 95: ...nfiguration screen choose Configure Filtering and Forwarding Table from the System Configuration menu Then select Configure Static Forwarding Table Entry from the bottom of the Configure Filtering and...

Страница 96: ...tatus is a read only field which lists the status of the static forwarding table entry It can be in use or not apply Not apply means that there is a static filter for the same MAC address Static filte...

Страница 97: ...PLY Configure Permanent Multicast Filtering Multicast filtering allows you to block or forward traffic over each port for one multicast group To access the Static Multicast Filtering Table Configurati...

Страница 98: ...in your stack Press APPLY to put the changes into effect Configure IGMP Internet Group Management Protocol IGMP allows multicasting on your network When IP Multicast Filtering is enabled the Switch c...

Страница 99: ...e out Timer 30 9999 When this timer expires and the switch has not observed snooped any IGMP query packets asking whether any stations belong to any Multicast groups the switch itself will send out qu...

Страница 100: ...LAN settings that leads to the IEEE 802 1q IGMP Configuration menu Highlight Configure 8 02 1Q IGMP and press Enter to access this screen Figure 6 24 IEEE 802 1q IGMP Configuration screen Choose Add R...

Страница 101: ...exist on the switch at any one time Items in the above window are described below Action Adds Removes an entry agent from the table VID The VLAN number that you wish to create an agent for Apply Adds...

Страница 102: ...and received Age out Timer If no IGMP query packet has arrived at the Switch before this timer has expired the Switch will become the IGMP host for this VLAN IGMP Status Activates deactivates the agen...

Страница 103: ...menu to access the VLANs MAC based Broadcast Domains Configuration screen Figure 6 27 VLANs MAC based Broadcast Domains Configuration screen The information on the top of the screen is described as f...

Страница 104: ...adcast Domains screen and then enter MAC addresses to the broadcast domain in the Add Remove MAC based Broadcast Domain Members screen Afterwards restart the Switch and the broadcast domain will be im...

Страница 105: ...wing screen Figure 6 29 Add Remove MAC based Broadcast Domains screen The fields you can set are Action Select the desired action by toggling between Add and Remove Domain Name Enter the name of the b...

Страница 106: ...rs from the MAC Based Broadcast Domains Configuration menu to access the following screen Figure 6 30 Add Remove MAC based Broadcast Domain Members screen To configure a broadcast domain highlight the...

Страница 107: ...the current conditions They are read only fields and cannot be changed Configure IEEE 802 1Q VLANs To configure an IEEE 802 1Q port based VLAN you must do three things 1 Decide if you want to enable I...

Страница 108: ...rts that will be members of a VLAN and whether they will Tag or Untag packets is done in the 802 1Q Static VLAN Settings screen Choose Configure IEEE 802 1Q VLANs on the VLANs MAC based Broadcast Doma...

Страница 109: ...packet and its own VIDs If there is a match the port will receive the packet If the packet doesn t have a VLAN tag or the port is not a member of the VLAN for which the packet is tagged the packet wil...

Страница 110: ...ber Vid for each port Press CTRL S to let the changes take effect Note If a port is a member of a trunk group but is not the anchor the items shown in the above table will be read only and the values...

Страница 111: ...ween T for tag and U for untag for each port Egress Position the cursor over the dash representing the appropriate port number and press space bar to select E for Egress or leave the dash An E designa...

Страница 112: ...to the previous page Update Firmware and Configuration Files The Switch is capable of obtaining its configuration settings the same settings defined in this console program as well as updated versions...

Страница 113: ...the Ethernet network or through the console port TFTP Server Address The IP address of the TFTP server where the runtime switching software or configuration file is located This entry is used only if...

Страница 114: ...s 2 Avoid changing active links and do not make new loops on the network when downloading new firmware 3 Downloading new firmware may result in the loss of some or all Switch settings We therefore str...

Страница 115: ...User s Guide Using the Console Interface 101 Figure 6 37 Utilities menu Ping Test Choose Ping Test to access the following screen Figure 6 38 Ping Test screen After filling in the fields above press S...

Страница 116: ...nue Pinging indefinitely In the lower part of the Ping Test screen you can view the Ping status including Result Reply Time out and Unreachable Save Settings to TFTP Server Choose Save Settings to TFT...

Страница 117: ...ave Switch History to TFTP Server from the Utilities menu under System Utilities on the main menu to access the following screen Figure 6 40 Save Switch History to TFTP Server screen Press START to be...

Страница 118: ...his Switch see the Traps section in the Switch Management Concepts chapter SNMP version 1 implements a rudimentary form of security by requiring that each request includes a community name A community...

Страница 119: ...from the Switch Any station not privy to this community will not receive the packet Access Right Allows each community to be separately set to either Read Only meaning that the community member can o...

Страница 120: ...e Switch The statistics obtained can be used to monitor the conditions and general efficiency of the Switch Network Monitoring The Network Monitoring menu offers four items Traffic Statistics Browse A...

Страница 121: ...tistics To display the Traffic Statistics menu choose the first item on the Network Monitoring menu The following menu appears Figure 6 43 Traffic Statistics menu Port Utilization To access the first...

Страница 122: ...c The number of good bytes sent from the respective port per second RX sec The number of good bytes received per second This also includes local and dropped packets Util This shows the percentage of a...

Страница 123: ...the link is up the speed and duplex status will be displayed if the link is down will be displayed Utilization This shows the percentage of available bandwidth each port is using over the amount of t...

Страница 124: ...ss of the last device that sent packets over this port Port Packet Error Statistics To access the third item on the Traffic Statistics menu choose Port Packet Error Statistics The following table appe...

Страница 125: ...h length more than 1536 bytes and with CRC error or misalignment bad framing Late Collision The number of collisions that occur at or after the 64th byte octet in the frame Mac Rx Error The number of...

Страница 126: ...field and the desired increment setting in the Update Interval field 5 sec 15 sec 30 sec 1 min or Suspend The statistic counters displayed are defined as follows 64 65 127 128 255 256 511 512 1023 10...

Страница 127: ...his includes local and dropped multicast packets Broadcast RX Broadcast TX The number of good broadcast frames received and sent This includes dropped broadcast packets Browse Address Table The Browse...

Страница 128: ...se Address Table that contains the Total Addresses in Table as well as the Switch Module Port MAC Address and Learned status of each entry Use F3 to advance to the next page and F4 to return to the pr...

Страница 129: ...ge down F4 Page up B Begin E End and C Clear Log CTRL R will refresh the screen Browse IGMP Status The Browse IGMP Status function allows you to browse Internet Group Management Protocol IGMP The Swit...

Страница 130: ...st group and enter a VLAN number in the field on the right The fields displayed are defined as follows IGMP Snooping Indicates whether IGMP snooping is Enabled or Disabled Age out Timer Displays the t...

Страница 131: ...art of a multicast group Ports The Switch ports supporting the selected multicast group Resetting the Switch You can use the console interface to reset the Switch either performing a Restart System or...

Страница 132: ...ing TCP IP parameters SNMP parameters the enabled disabled settings of ports security settings etc will be erased and restored to values present when the Switch was purchased Note After performing the...

Страница 133: ...t NV RAM to Default Value screen Logout To exit the console program choose Logout from the main menu Make sure you have performed a Save Changes if you have made changes to the settings and wish them...

Страница 134: ...ork through a standard browser such as Netscape Navigator Communicator 4 x or later or Microsoft Internet Explorer 4 x or later The Web browser acts as a universal access tool and can communicate dire...

Страница 135: ...Using The Console Interface chapter Management To begin managing your Switch simply run the browser you have installed on your computer and point it to the IP address you have defined for the device T...

Страница 136: ...h management Clicking on one of the categories causes a list of options to appear below The switch management features are explained below Configuration This first category includes IP Address Switch...

Страница 137: ...need to configure any IP parameters because a BOOTP server automatically assigns IP configuration parameters to the Switch Click Apply to activate the new settings The information above is described...

Страница 138: ...ubnetting on your TCP IP network Default Gateway The IP address of the device usually a router that handles connections to other subnets and or other TCP IP networks Switch Figure 7 2 Configure Switch...

Страница 139: ...cription of the Switch type MAC Address The Ethernet address for the device Boot PROM Version Version number for the PROM code Firmware Version Version number of the firmware installed on the Switch T...

Страница 140: ...data the port automatically stops transmissions The second setting allows you to enable or disable the Head of Line HOL Blocking Prevention function which is designed to prevent forwarding a packet t...

Страница 141: ...ather it will be forwarded only to the ports that are not blocking Switch Unit Figure 7 4 Information Of Individual Switch Unit window This window displays the Module Type and Hardware Revision of eac...

Страница 142: ...ront panel display at the top of the screen or by using the Switch Slot and Port fields at the bottom of the screen Then follow these steps 1 Enable or disable the port in the State field If you choos...

Страница 143: ...ect Off for no flow control Also if the port is set for Auto NWay in the speed duplex field above and flow control is enabled flow control whether full or half duplex will only be implemented if the o...

Страница 144: ...The Port Type STP State and Status are read only fields indicating the current condition of the port you have selected 9 Click Apply to let your changes take effect Port Trunk Figure 7 6 Port Trunk wi...

Страница 145: ...name of the trunk group Members The continuous number of ports that will be members of the trunk group State Allows the trunk group to be Enabled or Disabled Switch This field allows you to select the...

Страница 146: ...ng select Enable in the Status field and click Apply Note You should not mirror a fast port onto a slower port For example if you try to mirror the traffic from a 100 Mbps port onto a 10 Mbps port thi...

Страница 147: ...and then click Apply The information above is described as follows Spanning Tree Protocol This option offers Disabled or Enabled to implement the Spanning Tree Protocol Max Age 6 40 sec The Maximum Ag...

Страница 148: ...dge If you set a Hello Time for your Switch and it is not the Root Bridge the set Hello Time will be used if and when your Switch becomes the Root Bridge Forward Delay 4 30 sec The Forward Delay can b...

Страница 149: ...g to the Spanning Tree Algorithm specification Each 10 Mbps and 100Mbps segment has an assigned Path Cost of 19 Priority Priority is a read write object that can be set from 0 to 255 This is the prior...

Страница 150: ...ur changes take effect The following fields above can be set Lock Address Table Stop Learning Mostly used for security purposes when the forwarding table is locked the Switch will no longer learn the...

Страница 151: ...to 9999 seconds Static Forwarding Table Figure 7 11 Static Forwarding Table window MAC forwarding allows the Switch to permanently forward outbound traffic to specific destination MAC addresses over a...

Страница 152: ...ess field and enter the port number that permanently forwards traffic from the specified device in the Destination Port Number field Then click Apply The information above is described as follows Dest...

Страница 153: ...dress Filtering Table Figure 7 13 Static MAC Address Filtering window The static filtering function allows the Switch to block inbound traffic from unknown or unwanted devices by mapping a port to a s...

Страница 154: ...Address Filtering Edit window To use the static filtering function enter the MAC address of the device allowed to send traffic in the MAC Address field and then click Apply The information above is de...

Страница 155: ...e 7 15 Static Permanent Multicast Filtering window Static multicast filtering blocks or forwards traffic over each port for one multicast group You can configure each port on the Switch to forward tra...

Страница 156: ...r blocks traffic for the specified multicast group Click Apply to activate the filter IGMP Internet Group Management Protocol IGMP snooping allows the Switch to recognize IGMP queries and reports sent...

Страница 157: ...Figure 7 17 Configure IGMP window To configure the IGMP enter a value between 30 and 999 seconds in the IP Multicast Filtering Age out Timer field and then change the IP Multicast Filtering IGMP Snoop...

Страница 158: ...Web Based Network Management 802 1Q IGMP Figure 7 18 Add Remove IGMP Table window Click the X in the Delete column next to an entry to remove it from the table Click the pointer icon on the far right...

Страница 159: ...ld and then click Apply VLANs MAC based Broadcast Domains IEEE 802 1Q VLANs allow you to construct a port group as well as to reduce traffic All packets are limited to members of the VLAN MAC based Br...

Страница 160: ...tart VLAN Mode otherwise leave the setting at Disabled Then specify the VLAN ID number in the SNMP VLAN field and click Apply The SNMP VLAN ID sets up a VLAN for management packets MAC Based Broadcast...

Страница 161: ...ems in this window are defined as follows Description Lists all MAC based broadcast domains Number of MAC address members The number of MAC addresses belonging to the Broadcast Domains Click the X in...

Страница 162: ...Network Management Figure 7 22 Add Remove MAC based Broadcast Domains Edit window To add a MAC based broadcast domain enter a Description in the field offered Click Apply to let the change take effect...

Страница 163: ...his window are defined as follows MAC Address The MAC Address of the broadcast domain member Description Lists all MAC based broadcast domains Status Not Apply or Apply will be displayed here Click th...

Страница 164: ...MAC based broadcast domain member enter the MAC Address in the first field and use the drop down Description menu to select the desired broadcast domain Click Apply to let the changes take effect Ite...

Страница 165: ...t Switch User s Guide Web Based Network Management 151 IEEE 802 1Q VLANs Figure 7 25 Default Port VLAN ID window Use this window to assign a default VLAN ID for each desired port Click Apply to let th...

Страница 166: ...ess Filtering Check window Use this window to enable or disable the ingress filtering check for each desired port Ingress filtering means that a receiving port will check to see if it is a member of t...

Страница 167: ...uide Web Based Network Management 153 Figure 7 27 802 1Q Static VLAN Entry window number one Click the X in the Delete column next to an entry to remove it from the table Click the pointer icon to acc...

Страница 168: ...ext select the desired Switch Finally check Tag for each member port you wish to be a tagging port None should be checked if you don t want a port to belong to a VLAN Otherwise check Egress to statica...

Страница 169: ...gs and Trap Receiving Stations sections you may enter up to four entries in each section A trap receiving station is a device that constantly runs a network management application to receive and store...

Страница 170: ...onfiguration information is described as follows Trap Receiving Station The IP address of the trap receiving station Community String A user defined SNMP community name Status Option to set the trap r...

Страница 171: ...add or change a User Account fill in the appropriate information in the User Name Old Password New Password and Confirm New Password fields Then select the desired access Normal User or Administrator...

Страница 172: ...inutes 45 minutes 60 minutes or Never Select the protocol for communicating through the console port Console or SLIP in the Serial Port field Use SLIP for out of band management If SLIP is being used...

Страница 173: ...ategory of the Switch Web based management program includes Switch Overview Port Utilization Port Traffic Statistics Port Error Packet Statistics Port Packet Analysis Statistics Browse Address Table B...

Страница 174: ...transmitted from a selected port per second since the Switch was last rebooted RX frames sec Counts all valid frames received on the port per second since the Switch was last rebooted of Utilization T...

Страница 175: ...address of the last device that sent packets over this port Port Traffic Statistics Figure 7 35 Port Traffic Statistics window The port statistics shown by default are those for the port you last conf...

Страница 176: ...tes Sent Counts the number of bytes successfully sent from the port Bytes Received Counts the total number of bytes octets included in valid readable frames Total Bytes Received Counts the total numbe...

Страница 177: ...nterval Choose the desired setting 5 seconds 15 seconds 30 seconds 60 seconds or Suspend Link Speed Duplex Flow Control Indicates the current link status Other errors CRC Error Counts otherwise valid...

Страница 178: ...e length specified in the Ethernet standard MAC Rx Error Counts data errors detectable as 10BASE TX symbol errors bit patterns with illegal encodings This may indicate noise on the line Dropped Frames...

Страница 179: ...d 64 The total number of packets including bad packets received that were 64 octets in length excluding framing bits but including FCS octets 65 127 The total number of packets including bad packets r...

Страница 180: ...including FCS octets Rx good The number of good frames received This also includes local and dropped packets Tx good The number of good frames sent from the respective port Total Rx The number of fra...

Страница 181: ...include multicast packets Browse Address Table Figure 7 38 Browse Address Table window The Switch allows you to display a table containing Switch ports MAC addresses and respective learned statuses If...

Страница 182: ...P Status Figure 7 39 Browse IGMP Status window This window allows you to enter the Current VID at the top of the window and then display the Queries Tx Rx for that VLAN ID The bottom of the window dis...

Страница 183: ...like a trap and event receiver except it only captures trap events generated by the Switch itself Click the Next button to view additional pages Maintenance The fourth and last main category of the Sw...

Страница 184: ...n click the Apply button The information is described as follows Software Update Mode TFTP Server Address Software Update Mode Set to either Network or SLIP Determines whether the new firmware code sh...

Страница 185: ...xt time it is booted File Name The path and the name of the file which holds the new firmware code on the TFTP server Change Configuration File Use Config File Determines whether or not the Switch sho...

Страница 186: ...k the Apply button The information is described as follows Server IP Address The IP address of the TFTP server where the configuration file is File Name The path and configuration name on the TFTP ser...

Страница 187: ...The information is described as follows Server IP Address The IP address of the TFTP server where the log file will be saved File Name The path and file name for the file to be saved on the TFTP serv...

Страница 188: ...n to the Switch s flash memory click the Save Configuration button Factory Reset Figure 7 45 Factory Reset to Default Value window Doing a remote reset is equivalent to turning the Switch off and on a...

Страница 189: ...ckable NWay Ethernet Switch User s Guide Web Based Network Management 175 Restart System Figure 7 46 Restart System window To perform a reboot of the Switch which resets the system click the Reset but...

Страница 190: ...A 8 TECHNICAL SPECIFICATIONS General Standards IEEE 802 3 10BASE T Ethernet IEEE 802 3u 100BASE TX Fast Ethernet IEEE 802 3z 1000BASE Ethernet IEEE 802 1 P Q IEEE 802 3x Protocol CSMA CD Data Transfer...

Страница 191: ...0 m and 62 5 m multi mode fiber 1000BASE SX 50 m and 62 5 m multi mode fiber 1000BASE LX 50 m and 62 5 m multi mode fiber or 10 m single mode fiber Number of Ports 24x or 22x 10 100 Mbps NWay ports Me...

Страница 192: ...mperature 25 to 55 degrees Celsius Humidity Operating 5 to 95 RH non condensing Storage 0 to 95 RH non condensing Dimensions 441 mm x 367 mm x 44 mm 1U 19 inch rack mount width Weight 5 kg EMI FCC Cla...

Страница 193: ...tackable NWay Ethernet Switch User s Guide Technical Specifications 179 Performance Packet Filtering Forwarding Rate 148 800 pps per port for 100Mbps MAC Address Learning Aging time 10 to 9999 seconds...

Страница 194: ...ied crossover cable is necessary Please review these products for matching cable pin assignment The following diagram and table show the standard RJ 45 receptacle connector and their pin assignments f...

Страница 195: ...e Signal 1 Tx transmit 2 Tx transmit 3 Rx receive 4 Not used 5 Not used 6 Rx receive 7 Not used 8 Not used Table B 1 The standard Category 3 cable RJ 45 pin assignment The following shows straight cab...

Страница 196: ...Stackable NWay Ethernet Switch User s Guide 182 RJ 45 Pin Specification Figure B 3 Crossover cable for Switch MDI X port to switch hub or other network devices MDI X port connection...

Страница 197: ...switching software or a switch settings file which was previously saved on the TFTP server using the Save Settings to TFTP Server screen on the System Utilities menu The IP address settings defined i...

Страница 198: ...switch you are downloading to can have a different IP address than the one that created the configuration settings file An example of an IP address is 10 12 19 102 Subnet_mask This is the subnet mask...

Страница 199: ...will be uploaded to the switch The Config image file which contains all configuration settings and was created by the switch is prefixed with the version number of the runtime software to help with fi...

Страница 200: ...net mask 0 0 0 0 Default router 0 0 0 0 Bootp service Enable TFTP server IP address 0 0 0 0 IGMP time out 300 secs IGMP snooping state Disable Partition mode Enable Address table lock Disable Device H...

Страница 201: ...ure Disable Port lock Disable Port priority Normal Broadcast storm rising action Do nothing Broadcast storm falling action Do nothing Broadcast storm rising threshold Default Broadcast storm falling t...

Страница 202: ...ttaching the mounting brackets See Rack Installation Auto polarity detection 5 Automatic learning 35 Automatic topology re configuration Spanning Tree Algorithm 36 Baud Rate 66 Blocking 72 BOOTP the B...

Страница 203: ...aying Port Statistics 109 Dynamic filtering 35 Dynamic Filtering definition of 81 Egress port 48 Ethernet interface in band communication 64 Factory Reset 121 Fast Ethernet Technology 1 Features 4 Por...

Страница 204: ...Cost 38 Port Priority 38 Root Bridge 38 Port Lock 72 Port Priority 41 Port Trunking 42 Port VLAN ID numbers PVID 45 Power Consumption 180 Power Failure 12 Power LED indicator 23 Power on 11 Prevent U...

Страница 205: ...onnecting the 28 Switch to 10BASE T hub connecting the 27 Switching Technology 3 System Contact 67 System Location 67 System Name 67 tagging 44 Tagging 47 TCP IP Parameters Configuration 64 TCP IP Set...

Страница 206: ...Using the Console Interface 53 122 utilization 72 ventilation 9 VLAN 44 VLAN considerations 45 VLAN ID numbers VID 45 VLAN Segmentation 45 VLANs Sharing Resources Across VLANs 46 VLANs Spanning Multip...

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