Allied-telesis AT-GS950/16PS Manual do Utilizador

613-001779 Rev AAT-GS950/16PSGigabit Ethernet PoE+ SwitchAT-GS950/16PS Switch Web Interface User’s Guide AT-S112 [1.00.010]

Figures10Figure 51. Example of AT-GS950/16PS Tagged VLAN Page ...

Chapter 6: Static Port Trunking1009. Configure the port trunk on the other switch with the same parameters.10. Connect the Ethernet cables between tru

AT-GS950/16PS Switch Web Interface User’s Guide101Disable a Port TrunkThis procedure explains how to disable a port trunk. CautionBefore you disable o

Chapter 6: Static Port Trunking102

AT-GS950/16PS Switch Web Interface User’s Guide103Chapter 7LACP Port TrunksThis chapter contains overview information about LACP port trunks and the p

Chapter 7: LACP Port Trunks104OverviewLACP (Link Aggregation Control Protocol) port trunks perform the same function as static trunks. They increase t

AT-GS950/16PS Switch Web Interface User’s Guide105System PriorityIt is possible for two devices interconnected by an aggregate trunk to encounter a co

Chapter 7: LACP Port Trunks106Port Priority ValueThe switch uses a port’s LACP priority to determine which ports are active and which are in the stand

AT-GS950/16PS Switch Web Interface User’s Guide107General GuidelinesThe following guidelines apply when creating aggregators: LACP must be activated

Chapter 7: LACP Port Trunks108unknown destination. Prior to creating an aggregate trunk between an Allied Telesis device and another vendor’s device,

AT-GS950/16PS Switch Web Interface User’s Guide109Group StatusTo display the LACP Group Status, perform the following procedure:1. Select the Bridge f

AT-GS950/16PS Switch Web Interface User’s Guide11Figure 111. Dial-In User Page Example ...

Chapter 7: LACP Port Trunks110The System Priority is a preassigned value that you cannot alter. This value applies to the switch. See “System Priority

AT-GS950/16PS Switch Web Interface User’s Guide111Figure 34. LACP Group Status Page with Three Cables ConnectedYou can now see that each port has been

Chapter 7: LACP Port Trunks112Port Priority ConfigurationTo select a priority for an LACP port, perform the following procedure:1. Select the Bridge f

113Chapter 8Port MirroringThis chapter describes the Port Mirroring feature and the procedure for setting up port mirroring. Port mirroring allows you

Chapter 8: Port Mirroring114OverviewThe port mirroring feature allows you to unobtrusively monitor the traffic received and transmitted on one or more

AT-GS950/16PS Switch Web Interface User’s Guide115Port Mirroring ConfigurationTo configure Port Mirroring, perform the following procedure:1. Select t

Chapter 8: Port Mirroring1167. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes.

AT-GS950/16PS Switch Web Interface User’s Guide117Disable Port MirroringTo disable Port Mirroring, perform the following procedure:1. Select the Bridg

Chapter 8: Port Mirroring118

119Chapter 9Loopback ProtectionThis chapter explains how to configure the Loopback Protection feature for specific ports on the AT-GS950/16PS switch.

Figures12

Chapter 9: Loopback Protection120ConfigurationTo configure the Loopback Detection feature, perform the following procedure:1. From the main menu on th

AT-GS950/16PS Switch Web Interface User’s Guide1214. Under the Loopback Detection Global Settings, configure the following parameters:Interval: This p

Chapter 9: Loopback Protection122StatusThe status of the Loopback Detection is given in the Loop Status column of the table at the bottom of the Loopb

123Chapter 10MAC Address TableThis chapter provides a description of the static multicast MAC address feature and the procedure for configuring it. Th

Chapter 10: MAC Address Table124OverviewThe AT-GS950/16PS switch has a MAC address table with a storage capacity of up to 8,000 entries. The table sto

AT-GS950/16PS Switch Web Interface User’s Guide125predefined ports entered in the MAC table without any configuration delays or loss of data.

Chapter 10: MAC Address Table126Static Unicast MAC Address ConfigurationThis procedure explains how to set the static multicast feature for each port

AT-GS950/16PS Switch Web Interface User’s Guide127NoteAn error message is generated when you enter a VLAN ID or VLAN Index which is not been defined o

Chapter 10: MAC Address Table128Modify Static Unicast AddressTo modify the port assignment of a unicast MAC address in the MAC address table, perform

AT-GS950/16PS Switch Web Interface User’s Guide129Delete Static Unicast AddressTo delete a unicast MAC address from the MAC address table, perform the

13List of TablesTable 1. Bridge Priority Value Increments ... 63T

Chapter 10: MAC Address Table130Static Multicast Address ConfigurationThis procedure explains how to set the static multicast feature for each port on

AT-GS950/16PS Switch Web Interface User’s Guide131NoteAn error message is generated when you enter a VLAN ID or VLAN Index which is not been defined o

Chapter 10: MAC Address Table1327. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your change

AT-GS950/16PS Switch Web Interface User’s Guide133Modify Static Multicast AddressTo modify the port assignment of a multicast MAC address in the MAC a

Chapter 10: MAC Address Table134Delete Static Multicast AddressTo delete a multicast MAC address from the MAC address table, perform the following pro

135Chapter 11IGMP SnoopingThis chapter contains a description of the IGMP Snooping procedure as well as procedures for working with IGMP Snooping in t

Chapter 11: IGMP Snooping136OverviewIGMP enables IPv4 routers to create lists of nodes that are members of multicast groups. (A group of end nodes tha

AT-GS950/16PS Switch Web Interface User’s Guide137Without IGMP snooping, a switch floods multicast packets from all of its ports, except the port on w

Chapter 11: IGMP Snooping138IGMP Snooping ConfigurationThis procedure explains how to set IGMP snooping and IGMP Snooping Querier on the switch and se

AT-GS950/16PS Switch Web Interface User’s Guide1399. The IGMP Snooping Page is updated with active Multicast Group address. See Figure 45.NoteThe Mult

List of Tables14

Chapter 11: IGMP Snooping140

141Chapter 12Storm ControlThis chapter contains a description and configuration procedures for the Storm Control (bandwidth) feature. The following to

Chapter 12: Storm Control142OverviewThe features available in the AT-S110 Management Software allow you to limit Ethernet traffic within your switch b

AT-GS950/16PS Switch Web Interface User’s Guide143Ingress RateLimitingThe Ingress Rate Limiting feature restricts the traffic to a pre-configured data

Chapter 12: Storm Control144ConfigurationThis procedure explains how to set DLF, broadcast, multicast, and threshold levels for each port on the AT-GS

AT-GS950/16PS Switch Web Interface User’s Guide145NoteFor more information, see the Broadcast setting definition in“Overview” on page 142.7. Click App

Chapter 12: Storm Control146Ingress Rate LimitingThis procedure explains how to set Bandwidth levels and Status for Ingress Rate Limiting on each port

AT-GS950/16PS Switch Web Interface User’s Guide1477. From the main menu on the left side of the page, select Save Configuration to Flash to permanentl

Chapter 12: Storm Control148Egress Rate LimitingThis procedure explains how to set Bandwidth levels and Status for Egress Rate Limiting on each port o

149Chapter 13Virtual LANsThis chapter contains a description of Virtual Local Area Networks (VLANs) and the procedures for creating, modifying, and de

15PrefaceThis guide contains instructions on how to use the AT-S112 Management Software to manage and monitor the AT-GS950/16PS Gigabit Ethernet PoE+

Chapter 13: Virtual LANs150VLAN OverviewA virtual LAN or VLAN is a group of ports on an Ethernet switch that form a logical Ethernet segment via the A

AT-GS950/16PS Switch Web Interface User’s Guide151With VLANS, you can reconfigure the LAN segment assignment of an end node connected to the AT-GS950/

Chapter 13: Virtual LANs152Each port of a port-based VLAN can belong to as many VLANs as needed. Therefore, traffic can be forwarded to the members of

AT-GS950/16PS Switch Web Interface User’s Guide153VLAN IndexYou must assign a unique number to each tagged VLAN in a network. This number is called th

Chapter 13: Virtual LANs154associates a received untagged packet to the VLAN ID that matches the PVID assigned to the port and the packet is only forw

AT-GS950/16PS Switch Web Interface User’s Guide155Assign Ports to a VLAN ModeThe procedure described in this section allows you to assign ports to tag

Chapter 13: Virtual LANs1565. Click Apply.6. If you want to restore the port assignment before saving the configuration, click Restore.NoteOnce the VL

AT-GS950/16PS Switch Web Interface User’s Guide157Tagged VLAN ConfigurationOn a port, the tag information within a frame is examined when it is receiv

Chapter 13: Virtual LANs1584. To assign a VLAN ID, type a VLAN ID in the VLAN ID field.The range for this field is 2 to 4,000. You can create a maximu

AT-GS950/16PS Switch Web Interface User’s Guide1592. From the Bridge folder, select VLAN.The VLAN folder expands.3. From the VLAN folder, select Tagge

Preface16Document ConventionsThis document uses the following conventions:NoteNotes provide additional information.CautionCautions inform you that per

Chapter 13: Virtual LANs1605. You cannot modify the VLAN ID on this web page. If you want to delete the VLAN ID, go to “Delete a Tagged VLAN” on page

AT-GS950/16PS Switch Web Interface User’s Guide1613. From the VLAN folder, select Tagged VLAN.An example of the Tagged VLAN Page is shown in Figure 52

Chapter 13: Virtual LANs162Tagged VLAN Port SettingsTo configure a VLAN port that is a member of a Tagged VLAN, perform the following procedure:1. Fro

AT-GS950/16PS Switch Web Interface User’s Guide163Disable - This disables Ingress Filtering at the selected port.6. Click Apply.The port configuration

Chapter 13: Virtual LANs164Port-Based VLAN ConfigurationA port-based VLAN is a group of ports on the switch that form a logical Ethernet segment. This

AT-GS950/16PS Switch Web Interface User’s Guide1656. To assign ports to the VLAN, click on the port numbers labeled Group Member. 7. Click Apply.8. Fr

Chapter 13: Virtual LANs1663. From the VLAN folder, select Port-Based VLAN.The Port-Based VLAN Page is shown in Figure 54 on page 164.4. In the VLAN A

167Chapter 14GVRPThis chapter contains the following sections: “Overview and Guidelines” on page 168 “General Configuration” on page 169 “Port Sett

Chapter 14: GVRP168Overview and GuidelinesThe GARP VLAN Registration Protocol (GVRP) allows network devices to share VLAN information and to use the i

AT-GS950/16PS Switch Web Interface User’s Guide169General ConfigurationPerform the following procedure to enable or disable GVRP:1. From the main menu

AT-GS950/16PS Switch Web Interface User’s Guide17Allied Telesis Contact InformationIf you need assistance with this product, you may contact Allied Te

Chapter 14: GVRP170Port SettingsPerform the following procedure to configure the GVRP port settings:1. From the main menu on the left side of the page

AT-GS950/16PS Switch Web Interface User’s Guide171port row selected. Disable - The Restricted VLAN Registration is de-active for the port row selected

Chapter 14: GVRP172Time SettingsPerform the following procedure to configure the GVRP port settings:1. From the main menu on the left side of the page

AT-GS950/16PS Switch Web Interface User’s Guide173GarpLeaveAllTime - This parameter is the GARP Leave Timer.Its range si 30 - 2147483630 milli-seconds

Chapter 14: GVRP174

175Chapter 15Quality of Service and Cost of ServiceThis chapter provides descriptions of both the Quality of Service (QoS) and Cost of Service (CoS) f

Chapter 15: Quality of Service and Cost of Service176OverviewWhen a port on an Ethernet switch becomes oversubscribed, its egress queues contain more

AT-GS950/16PS Switch Web Interface User’s Guide177Egress Queue vsPacket PriorityMappingEach port has four egress queues, labeled Q0, Q1, Q2, and Q3. Q

Chapter 15: Quality of Service and Cost of Service178The procedure for changing the default mappings is found in “Associate Ports to CoS Priorities” o

AT-GS950/16PS Switch Web Interface User’s Guide179The problem with this method is that some low priority packets might never be transmitted from the s

Preface18

Chapter 15: Quality of Service and Cost of Service180Mapping CoS Priorities to Egress QueuesBefore mapping the CoS priorities and the egress queues, y

AT-GS950/16PS Switch Web Interface User’s Guide1814. For each Traffic Class whose queue you want to change, click on the Queue (0, 1, 2, or 3) radio b

Chapter 15: Quality of Service and Cost of Service182Associate Ports to CoS PrioritiesThe Port Priority values is assigned to an untagged frame at ing

AT-GS950/16PS Switch Web Interface User’s Guide183Associate DSCP Classes to Egress QueuesIf you choose to use the DSCP tags in your Access Control pol

Chapter 15: Quality of Service and Cost of Service1845. After you have completed this mapping process, click Apply.6. From the main menu on the left s

AT-GS950/16PS Switch Web Interface User’s Guide185Queue Scheduling AlgorithmTo change the scheduling algorithm for the egress queues, perform the foll

Chapter 15: Quality of Service and Cost of Service186

187Section IIIAdvanced FeaturesThis section contains the following chapters: Chapter 16, “SNMPv1 and v2c” on page 189 Chapter 17, “SNMPv3” on page 2

188

189Chapter 16SNMPv1 and v2cThis chapter contains a description of SNMPv1 and SNMPv2c and the procedures for configuring with these protocols. This cha

19Section IGetting StartedThis section contains the following chapters: Chapter 1, “Starting a Web Browser Session” on page 21 Chapter 2, “System Co

Chapter 16: SNMPv1 and v2c190SNMPv1 and SNMPv2c OverviewYou can manage a switch by viewing and configuring the management information base (MIB) objec

AT-GS950/16PS Switch Web Interface User’s Guide191Trap Receiver AttributesA trap is a message sent by the agent to one or more managers to indicate th

Chapter 16: SNMPv1 and v2c192Activate SNMP InterfaceThe SNMP interface is activated by default. If you want to de-activate it or re-activate it, go to

AT-GS950/16PS Switch Web Interface User’s Guide193SNMPv1 and SNMPv2c User and Group NamesSNMPv1 and SNMPv2c User Name and Group Name definitions is th

Chapter 16: SNMPv1 and v2c194NoteIf you choose to use the default User and Group Names (ReadOnly and ReadWrite) that are already displayed in the tabl

AT-GS950/16PS Switch Web Interface User’s Guide195To create a new entry in this table, see “Create User and Group Names” on page 193.Delete User andGr

Chapter 16: SNMPv1 and v2c196SNMP Community StringsA community string has attributes for controlling who can use the string and what the string will a

AT-GS950/16PS Switch Web Interface User’s Guide1975. Click Add.The values of the new Community Name and User Name are displayed. See Figure 66 for an

Chapter 16: SNMPv1 and v2c198SNMP TrapsA Host IP address is used to specify a management device that needs to receive SNMP traps sent by the switch. T

AT-GS950/16PS Switch Web Interface User’s Guide199NoteThe Community Name must correlate with one of the communities displayed on the SNMP Community Ta

Copyright © 2013 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied

20

Chapter 16: SNMPv1 and v2c2004. To delete an entry in the host table, click Delete next to the entry in the table that you want to remove. The Host ta

201Chapter 17SNMPv3This chapter contains a description of SNMPv3 and the procedures for configuring this protocol. This chapter contains the following

Chapter 17: SNMPv3202OverviewThe SNMPv3 protocol builds on the existing SNMPv1 and SNMPv2c protocol implementation which is described in Chapter 16 on

AT-GS950/16PS Switch Web Interface User’s Guide203this configuration for someone with super-user capabilities.SNMPv3 PrivacyProtocolAfter you have con

Chapter 17: SNMPv3204In addition, you can define a MIB view that the user can access or a MIB view that the user cannot access. When you want to permi

AT-GS950/16PS Switch Web Interface User’s Guide2055. Finally, the traps can be defined on the Trap Management page based on the Community or User Name

Chapter 17: SNMPv3206SNMPv3 User and Group NamesAn SNMPv3 User Name and Group Name definition is the basis for all the other SNMPv3 tables. You can cr

AT-GS950/16PS Switch Web Interface User’s Guide2078. Enter the password for the Auth-Protocol.9. Select one of the following choices for the Priv-Prot

Chapter 17: SNMPv3208folder.The SNMP folder expands.2. From the SNMP folder, select SNMP User/Group.The SNMP User/Group Page is displayed. See Figure

AT-GS950/16PS Switch Web Interface User’s Guide209SNMPv3 View NamesThe SNMPv3 View names are defined in the SNMP Group Access table and are based on t

21Chapter 1Starting a Web Browser SessionThis chapter contains the procedures for starting, using, and quitting a web browser management session on th

Chapter 17: SNMPv3210This name is an optional field. It can be up to 31 characters in length.5. Enter the Write View Name.This name is an optional fie

AT-GS950/16PS Switch Web Interface User’s Guide211ModifyingSNMPv3 ViewNamesIf you need to modify an entry in the SNMP Group Access page, you must firs

Chapter 17: SNMPv3212SNMPv3 View Table The SNMPv3 View table specifies the MIB object access criteria for each View Name. If the View Name is not spec

AT-GS950/16PS Switch Web Interface User’s Guide213Included: This selection allows the specified MIB object to be included in the view.Excluded: This s

Chapter 17: SNMPv32143. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes.

AT-GS950/16PS Switch Web Interface User’s Guide215SNMPv3 TrapsThe creation, modification and deletion of traps for SNMPv3 is identical to the procedur

Chapter 17: SNMPv3216

217Chapter 18Access Control ConfigurationThis chapter contains a description of the AT-GS950/16PS switch’s Access Control Configuration feature and th

Chapter 18: Access Control Configuration218OverviewAccess Control configuration allows you to control different aspects of the Ethernet traffic as it

AT-GS950/16PS Switch Web Interface User’s Guide219ClassifierThe Create Classifier page allows you to specify packet settings for filtering Ethernet tr

Chapter 1: Starting a Web Browser Session22Establishing a Remote Connection to the Web Browser InterfaceThe AT-GS950/16PS switch is shipped with a pre

Chapter 18: Access Control Configuration2203. Enter a number in the Classifier Index field.The Classifier Index must be a unique number within the ran

AT-GS950/16PS Switch Web Interface User’s Guide2215. Click ADD.The classifier entry is displayed in the table at the bottom of the page. If you do not

Chapter 18: Access Control Configuration2222. From the Access Control Config folder, select Classifier.An example of a classifier table entry on the C

AT-GS950/16PS Switch Web Interface User’s Guide2232. From the Access Control Config folder, select Classifier.The Example of Create Classifier page is

Chapter 18: Access Control Configuration224Profile ActionThe Create Profile Action page defines the priority parameters for policing on DSCP (layer 3)

AT-GS950/16PS Switch Web Interface User’s Guide2253. Enter a number in the Profile Action Index field.The Index must be a unique number ranging from 1

Chapter 18: Access Control Configuration2262. From the Access Control Config folder, select Profile Action.An example of the Create Profile Action pag

AT-GS950/16PS Switch Web Interface User’s Guide227In-Profile ActionThe Create In-Profile Action page allows you to specify a Profile Action’s Permit o

Chapter 18: Access Control Configuration228NoteThe In-Profile Action Index is a required parameter when you create a Policy. See “Create Policy” on pa

AT-GS950/16PS Switch Web Interface User’s Guide2297. From the main menu on the left side of the page, select Save Configuration to Flash to permanentl

AT-GS950/16PS Switch Web Interface User’s Guide23The default user name is “manager” and the default password is “friend.” The login name and password

Chapter 18: Access Control Configuration230Deleting an In-Profile ActionTo delete a In-Profile action entry, perform the following procedure:1. From t

AT-GS950/16PS Switch Web Interface User’s Guide231Out-Profile ActionThe Create Out-Profile Action page allows you to specify a Profile Action’s Permit

Chapter 18: Access Control Configuration2324. Enter a number in the Profile Action ID field ranging from 0 to 72. This field is mandatory.NoteThis fie

AT-GS950/16PS Switch Web Interface User’s Guide2337. From the main menu on the left side of the page, select Save Configuration to Flash to permanentl

Chapter 18: Access Control Configuration234Delete Out-Profile ActionTo delete a Out-Profile action entry, perform the following procedure:1. From the

AT-GS950/16PS Switch Web Interface User’s Guide235Port ListThe Create Port List page allows you to specify a list of ports that will be used as part o

Chapter 18: Access Control Configuration2366. Click Add.The Out-Profile Action entry is added to the status table. If the Page field located below the

AT-GS950/16PS Switch Web Interface User’s Guide2374. Change the parameters as required.NoteSee “Create Port List” on page 235 for the definitions of e

Chapter 18: Access Control Configuration238PolicyThe Create Policy page allows you to specify the filtering criteria for one policy. Before creating a

AT-GS950/16PS Switch Web Interface User’s Guide2393. Enter a number in the Policy Index field.The Policy Index is a unique number within the range of

Chapter 1: Starting a Web Browser Session24 Voice VLAN Security LLDP Statistics Chart Tools Save Configuration5. To see the front panel of the s

Chapter 18: Access Control Configuration240Figure 92. Example of Policy Entry6. From the main menu on the left side of the page, select Save Configura

AT-GS950/16PS Switch Web Interface User’s Guide241Figure 93. Modify Policy Page4. Change the parameters as required.NoteSee “Create Policy” on page 23

Chapter 18: Access Control Configuration242Control Config folder.The Access Control Config folder expands.2. From the Access Control Config folder, se

AT-GS950/16PS Switch Web Interface User’s Guide243Policy Sequence StatusThe Policy Sequence page displays the status of the order that policies are ap

Chapter 18: Access Control Configuration244

245Chapter 19RMONThis chapter contains the following sections: “Overview” on page 246 “Enable and Disable RMON” on page 247 “Port Statistics” on pa

Chapter 19: RMON246OverviewThe RMON (Remote MONitoring) MIB is used with SNMP applications to monitor the operations of network devices. The switch su

AT-GS950/16PS Switch Web Interface User’s Guide247Enable and Disable RMONYou can use your SNMP Network Management System (NMS) software and the RMON s

Chapter 19: RMON248Port StatisticsYou can remotely view individual port statistics with RMON by using your SNMP NMS software and the RMON portion of t

AT-GS950/16PS Switch Web Interface User’s Guide249Figure 98. Ethernet Statistics Configuration Example5. If you want to configure RMON statistics for

AT-GS950/16PS Switch Web Interface User’s Guide25Web Browser ToolsYou can use the web browser tools to move around the management pages. Selecting Bac

Chapter 19: RMON250HistoriesRMON histories are snapshots of port statistics. They are taken by the switch at predefined intervals and can be used to i

AT-GS950/16PS Switch Web Interface User’s Guide251snapshot of RMON statistics. Different ports can have different numbers of buckets. The range is 1 t

Chapter 19: RMON252EventsAn event specifies the action of the switch when the ingress packet activity on a port crosses a statistical threshold define

AT-GS950/16PS Switch Web Interface User’s Guide253Owner: This parameter is used to identify the person who created an entry. It is primarily intended

Chapter 19: RMON254AlarmsRMON alarms are used to generate alert messages when packet activity on designated ports rises above or falls below specified

AT-GS950/16PS Switch Web Interface User’s Guide2552. From the RMON folder, select Alarm.The RMON Alarm Configuration Page is displayed. See Figure 103

Chapter 19: RMON256Falling Threshold: This parameter specifies a specific value or threshold level of the monitored statistic. When the value of the m

257Chapter 20Voice VLANThis chapter contains a description of the AT-GS950/16PS switch’s Voice VLAN feature and the procedures to create, modify, and

Chapter 20: Voice VLAN258OverviewThe AT-GS950/16PS Voice VLAN feature is specifically designed to maintain high quality, uninterrupted voice traffic t

AT-GS950/16PS Switch Web Interface User’s Guide259When you are configuring the voice VLAN parameters, you must enter the complete MAC address of at le

Chapter 1: Starting a Web Browser Session26Quitting a Web Browser Management SessionTo exit a web browser management session, close the web browser.

Chapter 20: Voice VLAN260One or more ports in your voice VLAN must be configured as Static tagged or untagged members. Static VLAN members are permane

AT-GS950/16PS Switch Web Interface User’s Guide261General GuidelinesHere is a summary of the rules to observe when you create a voice VLAN: One voice

Chapter 20: Voice VLAN262ConfigurationPrior to configuring your voice VLAN, you must first configure a tagged VLAN. This VLAN will be used as a basis

AT-GS950/16PS Switch Web Interface User’s Guide2634. From the Voice VLAN field at the top of the page, select one of the following choices from the pu

Chapter 20: Voice VLAN264NoteThe voice VLAN Auto-Detection feature can only be enabled on “Not Member” ports of the voice VLAN. Member ports cannot ha

AT-GS950/16PS Switch Web Interface User’s Guide265OUI SettingYou can create and delete Voice VLAN OUI Settings by following the procedures in these se

Chapter 20: Voice VLAN2668. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes.Modif

267Chapter 21SecurityThis chapter contains information about the Port-based security features and the procedures for setting this feature. This chapte

Chapter 21: Security268Port Access ControlThis section contains information and configuration procedures for the Port-based Access Control. The follow

AT-GS950/16PS Switch Web Interface User’s Guide269Port AccessControlConfigurationTo configure port-based access control, perform the following procedu

27Chapter 2System ConfigurationThis chapter provides procedures to configuring basic system parameters for the AT-GS950/16PS switch and contains infor

Chapter 21: Security2705. To set the advanced configuration parameters, click Settings.The Port Access Control Configure page is expanded. See Figure

AT-GS950/16PS Switch Web Interface User’s Guide271802.1x authenticator role, in the unauthorized state. Although the ports are in the authenticator ro

Chapter 21: Security272authentication.Enabled: The Piggyback Mode is Enabled.Disabled: The Piggyback Mode is Disabled.VLAN Assignment - This parameter

AT-GS950/16PS Switch Web Interface User’s Guide273RADIUS ClientYou can use the RADIUS client with 802.1x port-based access control to authenticate whi

Chapter 21: Security274 You need to specify the user name and password combinations when configuring the RADIUS server software on the authentication

AT-GS950/16PS Switch Web Interface User’s Guide2758. From the main menu on the left side of the page, select Save Configuration to Flash to permanentl

Chapter 21: Security276Dial-in User— Local AuthenticationDial-in User feature provides the local authentication server for port security when a remote

AT-GS950/16PS Switch Web Interface User’s Guide277Figure 110. Dial-In User Page3. In the User Name field, type a name for the user.4. In the Password

Chapter 21: Security278The Dial-in User page is displayed. See Figure 110 on page 277.3. In the list of dial-in users, highlight the user you want to

AT-GS950/16PS Switch Web Interface User’s Guide279Destination MAC FilterThis section contains an explanation of the Destination MAC Filter feature as

Chapter 2: System Configuration28System Management InformationThis section explains how to assign a name, location, and contact information for the AT

Chapter 21: Security280Figure 112. Destination MAC Filter Page3. To enter the MAC address that you want filtered, enter the MAC address into the MAC A

AT-GS950/16PS Switch Web Interface User’s Guide2813. Select the Delete button next to the MAC address that you want to delete.The MAC address is remov

Chapter 21: Security282

283Chapter 22Power Over Ethernet (PoE)This chapter provides background information about PoE and includes procedures to configure the PoE feature on e

Chapter 22: Power Over Ethernet (PoE)284OverviewThe AT-GS950/16PS switch features Power over Ethernet (PoE) on the 10/100Base-Tx ports on ports 1 - 16

AT-GS950/16PS Switch Web Interface User’s Guide285Port Prioritization As long as the total power requirements of the PDs is less than the total availa

Chapter 22: Power Over Ethernet (PoE)286PoE ConfigurationTo configure the basic STP and RSTP settings, perform the following procedure:1. From the mai

AT-GS950/16PS Switch Web Interface User’s Guide287Power ON - The port is supplying PoE power.Power OFF - The port is not supplying PoE power.Class - T

Chapter 22: Power Over Ethernet (PoE)288

289Chapter 23

AT-GS950/16PS Switch Web Interface User’s Guide29System Name - Specifies a name for the switch, for example, Sales. The name is optional and may conta

Chapter 23: DHCP Snooping290Chapter 23DHCP SnoopingThis chapter contains a description of the DHCP Snooping feature and the procedures for creating, m

AT-GS950/16PS Switch Web Interface User’s Guide291OverviewThe DHCP Snooping feature provides security by inspecting ingress packets for the correct IP

Chapter 23: DHCP Snooping292A network device initially sends out a DHCPDISCOVER packet so that a DHCP server will respond. It waits for and then accep

AT-GS950/16PS Switch Web Interface User’s Guide293General GuidelinesHere is a summary of the rules to observe when you configure DHCP Snooping: A tru

Chapter 23: DHCP Snooping294General ConfigurationThe following procedure describes how to configure the DHCP Snooping feature on the AT-GS950/16PS swi

AT-GS950/16PS Switch Web Interface User’s Guide295Disable - The MAC address of each ingress ARP packet is not validated against the Binding Table. All

Chapter 23: DHCP Snooping296VLAN SettingYou can create and delete DHCP Snooping VLAN settings by following the procedures in these sections:  "C

AT-GS950/16PS Switch Web Interface User’s Guide297Modifying aVLANTo modify or delete a VLAN ID, you must first deleted it (using the procedure below)

Chapter 23: DHCP Snooping298Trusted and Untrusted Port ConfigurationThe following procedure describes how to configure the DHCP Snooping trusted inter

AT-GS950/16PS Switch Web Interface User’s Guide299Figure 118. Trusted Interfaces Page Example5. If you choose to configure other switch ports as trust

3ContentsList of Figures ...

Chapter 2: System Configuration30Configuration of IP Address, Subnet Mask and Gateway AddressThis procedure explains how to change the IP address, sub

Chapter 23: DHCP Snooping300Binding DatabaseThe Binding Database displays learned and statically assigned MAC Address and IP Address information for e

AT-GS950/16PS Switch Web Interface User’s Guide301VLAN - Enter the host’s VLAN ID.Port - Enter the port number where the host is connected.Type - Beca

Chapter 23: DHCP Snooping302Type: This parameter indicates the following:Learned: The host IP Address is dynamically assigned by the DHCP server.Stati

303Chapter 24LLDPLink Layer Discovery Protocol (LLDP) allows Ethernet network devices, such as switches and routers, to receive and transmit device-re

Chapter 24: LLDP304OverviewThe data sent and received by LLDP are useful for many reasons. The switch can discover other devices directly connected to

AT-GS950/16PS Switch Web Interface User’s Guide305Global ConfigurationThe LLDP Global Setting page has three sections: On the top of the page contain

Chapter 24: LLDP306 “Setting Port States” on page 307You must enable LLDP before changing the LLDP System Information settings or the port settings.E

AT-GS950/16PS Switch Web Interface User’s Guide307which is the minimum time interval between transmissions of LLDP advertisements due to a change in L

Chapter 24: LLDP308transmit LLDP data packets.To change the settings of all the ports to the same state, select a state setting next to All In the Por

AT-GS950/16PS Switch Web Interface User’s Guide309Neighbors InformationTo view the information received from the neighboring network devices, perform

AT-GS950/16PS Switch Web Interface User’s Guide31System Default Gateway - Displays the default gateway of the switch. To change the default gateway, e

Chapter 24: LLDP310

311Chapter 25Network StatisticsThe sections in this chapter explain how to display traffic, error, and history statistics about the network traffic on

Chapter 25: Network Statistics312OverviewStatistics provide important information for troubleshooting switch problems at the port level. The AT-S112 M

AT-GS950/16PS Switch Web Interface User’s Guide313Traffic Comparison StatisticsThe Traffic Comparison statistics chart allows you to display a specifi

Chapter 25: Network Statistics3144. To select the amount of time before the screen is refreshed, click Auto Refresh. Choose from the following options

AT-GS950/16PS Switch Web Interface User’s Guide3155. To select the color of the traffic comparison graph, select Color. Choose one of the following co

Chapter 25: Network Statistics316Error Group StatisticsThe Error Group chart displays the discard and error counts for a specified port. To display er

AT-GS950/16PS Switch Web Interface User’s Guide3174. To select the amount of time before the screen is refreshed, click Auto Refresh. Choose from the

Chapter 25: Network Statistics318Historical Status ChartsThe Historical Status chart allows you to select from 12 statistics to view for a selection o

AT-GS950/16PS Switch Web Interface User’s Guide319Table 9 Historical Status OptionsOption DefinitionInbound Octet Rate (Bytes) Measures the rate of i

Chapter 2: System Configuration32IP Access List ConfigurationWhen the IP Access List feature is enabled, remote access to the AT-S112 management softw

Chapter 25: Network Statistics3204. To select the amount of time before the screen is refreshed, click Auto Refresh. Choose from the following options

321Section IVToolsThis section contains the following chapters: Chapter 26, “Software/Configuration Updates” on page 323 Chapter 27, “Cable Diagnost

322

323Chapter 26Software/Configuration UpdatesThis chapter explains the methods for upgrading the AT-S112 Management Software on the switch and saving co

Chapter 26: Software/Configuration Updates324OverviewYou can use the Management Software Updates features to upgrade the AT-S112 Management Software t

AT-GS950/16PS Switch Web Interface User’s Guide325Upgrade Firmware Image via HTTPThis section describes how to upgrade an firmware image of the AT-S11

Chapter 26: Software/Configuration Updates3262. From the Firmware Upgrade folder, select via HTTP.The Firmware Upgrade via HTTP Page is displayed. See

AT-GS950/16PS Switch Web Interface User’s Guide327Upgrade Firmware Image via TFTPThis section describes how to upgrade an firmware image of the AT-S11

Chapter 26: Software/Configuration Updates328Figure 127. Firmware Upgrade via TFTP PageThe Image/Version Date shows the current version and date of so

AT-GS950/16PS Switch Web Interface User’s Guide329Upload or Download a Configuration File via HTTPThis section describes how to upload or download a c

AT-GS950/16PS Switch Web Interface User’s Guide335. From the IP Restriction Status field, select one of the following choices from the pull-down menu:

Chapter 26: Software/Configuration Updates3302. Select the Upload button. The download process begins immediately.CautionIf you are uploading a config

AT-GS950/16PS Switch Web Interface User’s Guide331ConfigurationFile DownloadTo download or save the AT-S112 configuration file from the switch to your

Chapter 26: Software/Configuration Updates332Download or Upload a Configuration File via TFTPThis section describes how to upload or download a config

AT-GS950/16PS Switch Web Interface User’s Guide333CautionIf you are uploading a configuration file, the file will be implemented immediately after dow

Chapter 26: Software/Configuration Updates334

335Chapter 27Cable DiagnosticsThis chapter provides procedures to run cable diagnostics on the cables connected to the switch ports. If a port is sele

Chapter 27: Cable Diagnostics336Port: This parameter displays the port (cable) selected.Test Results: Displays the diagnostic results for each pair in

337Chapter 28Rebooting the AT-GS950/16PSThis chapter provides the procedures for rebooting the AT-GS950/16PS switch by using the Normal reboot functio

Chapter 28: Rebooting the AT-GS950/16PS338Switch RebootThe following procedure outlines how to reboot your AT-GS950/16PS switch. CautionThis procedure

AT-GS950/16PS Switch Web Interface User’s Guide3394. In the Reboot Type field, select Normal from the pull-down menu. When the switch is rebooted with

Chapter 2: System Configuration34User Name and Password ConfigurationPassword protection is always enabled for access to the AT-S112 Management softwa

Chapter 28: Rebooting the AT-GS950/16PS340Configure Factory Default ValuesThe following procedure returns all AT-S112 Management software parameters t

AT-GS950/16PS Switch Web Interface User’s Guide341address, subnet mask, and gateway settings are managed by the DHCP server.5. Click Apply.The switch

Chapter 28: Rebooting the AT-GS950/16PS342Password Protection of Factory ResetIf your switch is located in a controlled environment such as a locked s

AT-GS950/16PS Switch Web Interface User’s Guide3432. From the Tools folder, select Reboot.The Factory Default Reset/Reboot Page is displayed. See Figu

Chapter 28: Rebooting the AT-GS950/16PS344remain Enabled on both the switch management software and the physical front panel ecoFriendly button.8. Cli

AT-GS950/16PS Switch Web Interface User’s Guide345Figure 136. Factory Default Reset/Reboot Page with Password Entry5. Enter the same password that you

Chapter 28: Rebooting the AT-GS950/16PS346

347Chapter 29Pinging a Remote SystemThis chapter provides the procedure for pinging a node on your network from the AT-GS950/16PS switch. This procedu

Chapter 29: Pinging a Remote System348switch waits for a response before assuming that a ping has failed. Number of Ping Requests - Specifies the numb

349Appendix AMSTP OverviewThis appendix provides background information about the Multiple Spanning Tree Protocol (MSTP) and includes the following se

AT-GS950/16PS Switch Web Interface User’s Guide354. To add a password that corresponds to the user name entered in step 3, enter a password of up to 1

Appendix A: MSTP Overview350OverviewIn the AT-GS950/16PS, STP and RSTP are referred to as single-instance spanning trees that search for physical loop

AT-GS950/16PS Switch Web Interface User’s Guide351NoteDo not activate MSTP on the AT-GS950/16PS switch without first familiarizing yourself with the f

Appendix A: MSTP Overview352Multiple Spanning Tree Instance (MSTI)The individual spanning trees in MSTP are referred to as Multiple Spanning Tree Inst

AT-GS950/16PS Switch Web Interface User’s Guide353Figure 140. MSTP Example of Two Spanning Tree Instances Multiple VLANsAssigned to anMSTIA MSTI can c

Appendix A: MSTP Overview354Figure 141. Multiple VLANs in a MSTIIn this example, because an MSTI contains more than one VLAN, the links between the VL

AT-GS950/16PS Switch Web Interface User’s Guide355General GuidelinesHere are the guidelines for MSTIs: The AT-GS950/16PS switch can support up to 31

Appendix A: MSTP Overview356VLAN and MSTI AssociationsPart of the task to configuring MSTP involves assigning VLANs to spanning tree instances. The ma

AT-GS950/16PS Switch Web Interface User’s Guide357Ports in Multiple MSTIsA port can be a member of more than one MSTI at a time if it is a tagged memb

Appendix A: MSTP Overview358Multiple Spanning Tree RegionsAnother important concept of MSTP is regions. A MSTP region is defined as a group of bridges

AT-GS950/16PS Switch Web Interface User’s Guide359The AT-GS950/16PS switch determines regional boundaries by examining the MSTP BPDUs received on the

Chapter 2: System Configuration36Delete User Nameand PasswordTo delete a user name that you have previously added, perform the following procedure.1.

Appendix A: MSTP Overview360Each MSTI functions as an independent spanning tree within a region. Consequently, each MSTI must have a root bridge to lo

AT-GS950/16PS Switch Web Interface User’s Guide361 Each MSTI must have a regional root for locating loops in the instance. MSTIs can share the same r

Appendix A: MSTP Overview362Common andInternalSpanning Tree(CIST)MSTP has a default spanning tree instance called the Common and Internal Spanning Tre

AT-GS950/16PS Switch Web Interface User’s Guide363Associating VLANs to MSTIsWhen you are using Multiple Spanning Tree, Allied Telesis recommends that

Appendix A: MSTP Overview364Figure 143. CIST and VLAN Guideline - Example 2When port 3 on switch B receives a BPDU, the switch notes the port sending

AT-GS950/16PS Switch Web Interface User’s Guide365VLANs Across Different RegionsSpecial consideration needs to be taken into account when you connect

Appendix A: MSTP Overview366Region 1 VLANs Region 2 VLANsAccounting AccountingSales SalesPre-Sales Pre-SalesMarketing Technical SupportProduct Managem

AT-GS950/16PS Switch Web Interface User’s Guide367Summary of GuidelinesCareful planning is essential for the successful implementation of MSTP. This s

Appendix A: MSTP Overview368

369Appendix BAT-GS950/16PS Default ParametersTable 12 lists the factory default settings for the AT-S112 Management software on the AT-GS950/16PS swit

AT-GS950/16PS Switch Web Interface User’s Guide37User Interface ConfigurationThis procedure explains how to enable and disable the user interfaces on

Appendix B: AT-GS950/16PS Default Parameters370IP address entries 10 entries 10 entriesSystem/AdministrationUser Name manager 1 - 12 charactersPasswor

AT-GS950/16PS Switch Web Interface User’s Guide371To (Month:Day:HH:MM)January:01:00:00-DST Offset 1 hr-System/SSL SettingsSSL Settings Disabled Enable

Appendix B: AT-GS950/16PS Default Parameters372Trunk--Type 1000TX-Link StatusDown Up/DownAdmin StatusEnabled Enabled/DisabledMode Auto Auto/10Half/10

AT-GS950/16PS Switch Web Interface User’s Guide373Bridge Priority32768 0 - 61440Region NameMAC Address of AT-GS950/16PS switch-Region Revision00 - 655

Appendix B: AT-GS950/16PS Default Parameters374Restricted Role False True/FalseRestricted TCN False True/FalsePort State Ignore Enable/Disable/Ignore

AT-GS950/16PS Switch Web Interface User’s Guide375PortAll, 1 - 16-Loopback Detection StateDisabled Enabled/DisabledBridge/Static Unicast802.1Q VLAN -

Appendix B: AT-GS950/16PS Default Parameters376Storm Control Broadcast Control StatusDisabled Enabled/DisabledStorm Control Multicast Control StatusDi

AT-GS950/16PS Switch Web Interface User’s Guide377Port Settings Ingress FilteringEnabled Enabled/DisabledForwarding Table Learning ModeIVL IVL/SVLPriv

Appendix B: AT-GS950/16PS Default Parameters378SNMP/Group Access TableGroup Name ReadOnly/ReadWrite -Read View NameReadWrite-Write ViewNone-Notify Vie

AT-GS950/16PS Switch Web Interface User’s Guide379Access Control ConfigurationClassifier Index none 1 - 65535Source MAC Addressnonexx:xx:xx:xx:xx:xx h

Chapter 2: System Configuration38NoteSee Chapter 20, “Simple Network Management Protocol SNMPv1 and v2c” on page 263 and Chapter 21, “Simple Network M

Appendix B: AT-GS950/16PS Default Parameters380Out-Profile Action Indexnone1 - 65535Out-Profile Action Deny/PermitPermitPermit/DenyOut-Profile Action

AT-GS950/16PS Switch Web Interface User’s Guide381Alarms Index none 1 - 65535Alarms Intervalnone1 to 2147483647 secondsAlarms Variablenone-Alarms Samp

Appendix B: AT-GS950/16PS Default Parameters382Port Access Control NAS IDNas1 1 - 23 charactersPort Access ControlDisabled Disabled/EnabledPort Access

AT-GS950/16PS Switch Web Interface User’s Guide383General Setting Backup DatabaseDisabledEnabled/DisabledGeneral Setting Database Update Interval1200

Appendix B: AT-GS950/16PS Default Parameters384Global Settings Port StateEnabled Enabled/DisabledStatistics ChartTraffic Comparison StatisticsInbound

AT-GS950/16PS Switch Web Interface User’s Guide385Firmware Upgrade via TFTP Retry Count51 - 20Configuration File Upload/Download via HTTPSelect Fileno

Appendix B: AT-GS950/16PS Default Parameters386

AT-GS950/16PS Switch Web Interface User’s Guide39System TimeThe procedures in this section describe how to configure the system time by manually enter

Contents4Forwarding Delay and Topology Changes...65Mixed STP a

Chapter 2: System Configuration404. In the Local Time Settings section, set the Date Setting (YYYY:MM:DD) to the current date in the YYYY:MM:DD format

AT-GS950/16PS Switch Web Interface User’s Guide41Setting DaylightSavingsParametersIf you want to configure the switch for daylight savings time, perfo

Chapter 2: System Configuration42SSL SettingsThe AT-GS950/16PS switch has a web browser server for remote management of the unit with a web browser ap

AT-GS950/16PS Switch Web Interface User’s Guide434. Click Apply.The SSL setting that you have selected is now active. 5. From the main menu on the lef

Chapter 2: System Configuration44DHCP and ATI Web Discovery ToolThe AT-GS950/16PS Gigabit Ethernet Smart switch is managed through a web browser inter

AT-GS950/16PS Switch Web Interface User’s Guide45DHCP Client ConfigurationThis procedure explains how to activate and deactivate the DHCP client on th

Chapter 2: System Configuration46NoteThe ATI Web Discovery Tool is available for download on the AT-GS950/16PS product page at alliedtelesis.com.6. Fo

AT-GS950/16PS Switch Web Interface User’s Guide47DHCP Auto ConfigurationIf you need to automatically update the switch’s configuration files via a rem

Chapter 2: System Configuration48System Information DisplayThe Switch Information page is initially displayed when you first log into the AT-GS950/16P

AT-GS950/16PS Switch Web Interface User’s Guide49Administration Information Section:Switch Name - This parameter displays the name assigned to the swi

AT-GS950/16PS Switch Web Interface User’s Guide5Ingress Rate Limiting...

Chapter 2: System Configuration50System Log ConfigurationThe System log is designed to monitor the operation the AT-GS950/16PS switch by recording the

AT-GS950/16PS Switch Web Interface User’s Guide513. From the Syslog Status field, select one of the following choices from the pull-down menu:Enable -

Chapter 2: System Configuration52

53Section IIBridge ConfigurationThis section contains the following chapters: Chapter 3, “Port Configuration” on page 55 Chapter 4, “STP and RSTP” o

54

55Chapter 3Port ConfigurationThis chapter provides a description of the physical characteristics of the ports and a procedure that explains how to vie

Chapter 3: Port Configuration56OverviewThis chapter describes how to display and modify the physical characteristics of an AT-GS950/16PS switch. You c

AT-GS950/16PS Switch Web Interface User’s Guide57Displaying and Configuring PortsThis procedure explains how to configure the ports on the AT-GS950/16

Chapter 3: Port Configuration58(15 and 16) for copper or fiber SFP type.Link Status - This parameter indicates the status of the link between the port

AT-GS950/16PS Switch Web Interface User’s Guide59settings for the port. You can use this parameter to set the speed and duplex mode of a port. The pos

Contents6Overview...

Chapter 3: Port Configuration60notify the end node to stop transmitting for a specified period of time. The possible values are:Ignore - This paramete

61Chapter 4STP and RSTPThis chapter provides background information about the Spanning Tree Protocol (STP) and the Rapid Spanning Tree Protocol (RSTP)

Chapter 4: STP and RSTP62OverviewThe performance of a Ethernet network can be negatively impacted by the formation of a data loop in the network topol

AT-GS950/16PS Switch Web Interface User’s Guide63Bridge Priorityand the RootBridgeThe first task that bridges perform when a spanning tree protocol is

Chapter 4: STP and RSTP64Path Costs and Port CostsAfter the root bridge has been selected, the bridges determine if the network contains redundant pat

AT-GS950/16PS Switch Web Interface User’s Guide65.ForwardingDelay andTopologyChangesIf there is a change in the network topology due to a failure, rem

Chapter 4: STP and RSTP66The forwarding delay value is adjustable in the AT-S112 Management software. The appropriate value for this parameter depends

AT-GS950/16PS Switch Web Interface User’s Guide67Figure 17. Point-to-Point PortsA port operates as an edge port when it is connected to a network term

Chapter 4: STP and RSTP68Spanning Treeand VLANsThe spanning tree implementation in the AT-S112 Management software can be a single-instance spanning t

AT-GS950/16PS Switch Web Interface User’s Guide69Figure 20. STP and VLAN Compatibility with Tagged PortsNoteFor information about tagged and untagged

AT-GS950/16PS Switch Web Interface User’s Guide7Overview ...

Chapter 4: STP and RSTP70Basic STP and RSTP ConfigurationTo configure the basic STP and RSTP settings, perform the following procedure:1. From the mai

AT-GS950/16PS Switch Web Interface User’s Guide71The RSTP Configuration page allows you to configure basic STP (STP-Compatible) or RSTP protocols as w

Chapter 4: STP and RSTP72 The following parameters refer to the designated root bridge. You cannot change these fields.Designated Root - This paramet

AT-GS950/16PS Switch Web Interface User’s Guide73Configure RSTP Port SettingsThis section contains the following topics: “Configure the Basic RSTP Po

Chapter 4: STP and RSTP74sent or received on a the port except for BPDU data. A port with a higher path cost to the root bridge than another on the sw

AT-GS950/16PS Switch Web Interface User’s Guide75Enable - The spanning tree protocol (both RSTP or STP-Compatible) is enabled on the port.Disabled - T

Chapter 4: STP and RSTP76This page displays the following information about the ports:Port - Indicates ports 1 through 16 on the AT-GS950/16PS switch.

AT-GS950/16PS Switch Web Interface User’s Guide77this port receives root path cost information that is greater than the root port's path cost and

Chapter 4: STP and RSTP78Spanning Tree TopologyTo view the current spanning tree topology, perform the following procedure:1. From the main menu on th

79Chapter 5 Multiple Spanning Tree ProtocolThis chapter provides the procedures for configuring Multiple Spanning Tree Protocol (MSTP). You can find a

Contents8Displaying System Information...307Se

Chapter 5: Multiple Spanning Tree Protocol80Multiple Spanning Tree ConfigurationTo configure the MSTP settings, perform the following procedure:1. Fro

AT-GS950/16PS Switch Web Interface User’s Guide81following parameters:Global MSTP Status - Set this field to Enable or Disable the MSTP feature on the

Chapter 5: Multiple Spanning Tree Protocol82Forward Delay - The Forward Delay defines the time that the bridge spends in the listening and learning st

AT-GS950/16PS Switch Web Interface User’s Guide83Port ConfigurationTo configure the MSTP parameters for each of the ports, perform the following proce

Chapter 5: Multiple Spanning Tree Protocol84ForcedTrue - The port is connected to a network device in the network topology.ForcedFalse - The port is n

AT-GS950/16PS Switch Web Interface User’s Guide85Restricted TCN - The Restricted TCN parameter does not allow Topology Change Notification (TCN) BPDUs

Chapter 5: Multiple Spanning Tree Protocol86VLAN MappingYou can create, modify and delete MSTP settings with the procedures in the following sections:

AT-GS950/16PS Switch Web Interface User’s Guide875. From the main menu on the left side of the page, select Save Configuration to Flash to permanently

Chapter 5: Multiple Spanning Tree Protocol88Port SettingsTo configure the MSTP port settings, perform the following procedure:1. From the main menu on

AT-GS950/16PS Switch Web Interface User’s Guide896. If you choose to change the MSTP port settings for other ports, repeat steps 4 and 5.7. From the m

9Figure 1. Entering a Switch’s IP Address in the URL Field...

Chapter 5: Multiple Spanning Tree Protocol90Topology InformationTo configure the MSTP port settings, perform the following procedure:1. From the main

AT-GS950/16PS Switch Web Interface User’s Guide91Regional Root - The root bridge of the MST instance.Regional Root Priority - The priority of the regi

Chapter 5: Multiple Spanning Tree Protocol92

93Chapter 6Static Port TrunkingThis chapter contains a description of port trunking and the procedures for creating, modifying, and deleting a static

Chapter 6: Static Port Trunking94OverviewA port trunk is an economical way for you to increase the bandwidth between the Ethernet switch and another n

AT-GS950/16PS Switch Web Interface User’s Guide95Network equipment vendors tend to employ different techniques to implement static trunks. Consequentl

Chapter 6: Static Port Trunking96 A port can belong to only one static trunk at a time. The ports of a static trunk can be configured to be members

AT-GS950/16PS Switch Web Interface User’s Guide97Create a Port TrunkThis procedure explains how to create a static port trunk.CautionDo not connect th

Chapter 6: Static Port Trunking98A check in a box indicates the port is a member of the trunk. No check means the port is not a member. A port trunk c

AT-GS950/16PS Switch Web Interface User’s Guide99Modify a Port TrunkThis procedure explains how to change the status of a port trunk and add or remove