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Nortel Ethernet Routing Switch 5500 Series

Conﬁguration-IP Routing Protocols

NN47200-503 03.01 Standard

5.1 27 August 2007

Copyright © 2005-2007, Nortel Networks

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Nortel Networks NN47200-503 manual Index

Contents

Conﬁguration-IP Routing Protocols Restricted rights legend General Page Revision History Date Revised Version Reason for revisionRevision History Contents Index 314 Series Switch Platforms Series Switch Model Key Features PrefaceNortel Ethernet Routing Switch 5500 Series Documentation Related publicationsFinding the latest updates on the Nortel web site How to get help An Introduction to IP Routing Protocols IP addressingSubnet addressing Network and host boundaries in IP address classesIP routing IP routing using VLANs IP routing with VLANsMultinetting Network with Multinetting Brouter port Proxy ARP UDP broadcastLayer 2 versus Layer 3 mode Setting IP routingManagement Vlan Routing and managementStep Action Address Resolution Protocol ARPEnd Static routes Proxy Address Resolution Protocol Proxy ARPProxy ARP Operation Routing Information Protocol RIP Non-local static routesRIP operation An Introduction to IP Routing Protocols RIP metrics RIP hop countsReceive Result Mode RIP send and receive modes Send Mode Description ResultRIP Send and Receive Modes Open Shortest Path First Ospf protocol LimitationsOverview Beneﬁts Ospf routing algorithmOspf host route Ospf router typesOspf router types Router Type Description Ospf Enhancements Host route in LSAOspf virtual link R3config-router#Following is an example for deleting a host route Example Conﬁguration Virtual link diagramConsider the following situation R1 config-router#auto-vlink Creating auto virtual linkR1 config-router#no auto-vlink R3config#show ip ospfFollowing is an example for deleting an auto virtual link Deleting auto virtual linkRoute policies Accept In Policies Announce Out PoliciesRedistribution Policies Preﬁx ListsVirtual Router Redundancy Protocol Vrrp Equal Cost MultiPath Ecmp UDP broadcast forwardingDifferences between Dhcp and BootP Summary of Dhcp relay operationMultiple BootP-DHCP servers Forwarding Dhcp packetsDhcp operation Forwarding Dhcp packetsMultiple BootP/DHCP servers Setting DhcpTo set DHCP, take the following steps Global Dhcp relay commands Command Description Dhcp relayInterface Dhcp relay commands Command Description Dhcp relay forward path commands Command DescriptionAvoiding duplicate IP addresses Automatic router ID changeIP blocking Igmp snooping IP multicast propagation with Igmp routing , 5500 Series switch ﬁltering IP multicast streams 1 of 2 Series switch ﬁltering IP multicast streams 1Series switch ﬁltering IP multicast streams 2 Igmp snooping conﬁguration rulesAn Introduction to IP Routing Protocols IP Routing Conﬁguration and Management Global IP routing conﬁgurationOpen Shortest Path First Ospf initial conﬁguration Basic Ospf conﬁgurationEnable Ospf in Vlan Return to Global Conﬁguration modeBasic Asbr conﬁguration Assign an IP address to VlanEnable Asbr functionality Log into the Ospf router conﬁguration modeConﬁguring Ecmp for Ospf IP conﬁguration commands Ip routing commandNo ip routing command Ip blocking-mode commandInterface vlan command Ip address commandLayer 3 routable VLANs Interface vlan 1No ip address command Adding secondary IP interfaces Step ActionDeﬁne a secondary IP interface on the Vlan No ip address A.B.C.D W.X.Y.ZShow vlan ip command shows routable Vlan conﬁgurations Show vlan ip commandRemove the primary IP interface from the Vlan Static route commands Show ip route static commandShow ip route command Syntax for the show vlan ip command isShow ip route summary command Ip route commandShow ip route summary Ip route A.B.C.D W.X.Y.Z O.P.Q.RNo ip route command Ip route enable commandIp route A.B.C.D W.X.Y.Z O.P.Q.R enable No ip route A.B.C.D W.X.Y.Z O.P.Q.RIp route disable command Traceroute commandIp route enable parameters Parameter Description Ip route A.B.C.D W.X.Y.Z O.P.Q.R disableIp route weight command Address Resolution Protocol ARP commands Show arp commandShow ip arp command Show arp-table A.B.C.DShow ip arp static command Ip arp commandShow ip arp static Ip arp A.B.C.D aabbccddeeff unit / port vidNo ip arp command Ip arp timeout commandProxy ARP commands Ip arp-proxy commandDefault ip arp-proxy command Show ip arp-proxy interface commandRouting Information Protocol RIP commands Router rip enable commandRouter rip command Network commandNo network command Timers basic holddown commandTimers basic update command Timers basic timeout commandIp rip advertise-when-down command No ip rip advertise-when-down command Ip rip auto-aggregation commandNo ip rip auto-aggregation command Ip rip cost commandIp rip default-listen command No ip rip default-listen commandIp rip default-supply command No ip rip default-supply commandIp rip holddown command Ip rip in-policy commandNo ip rip in-policy command Ip rip listen commandNo ip rip listen command Ip rip out-policy commandNo ip rip out-policy command Ip rip poison commandNo ip rip poison command Ip rip proxy-announce commandNo ip rip proxy-announce command Ip rip receive commandIp rip supply command Ip rip send commandNo ip rip supply command Ip rip timeout command Ip rip triggered commandNo ip rip triggered command Show ip rip commandDefault router rip command Default default-metric commandDefault timers basic holddown command Default timers basic timeout commandDefault timers basic update command Default-metric commandDefault ip rip advertise-when-down command Default ip rip auto-aggregation commandDefault ip rip cost command Default ip rip default-listen commandDefault ip rip default-supply command Default ip rip enable commandDefault ip rip holddown command Default ip rip in-policy commandDefault ip rip listen command Default ip rip out-policy commandDefault ip rip proxy-announce command Default ip rip receive commandDefault ip rip send command Default ip rip supply commandDefault ip rip timeout command Default ip rip triggered commandOpen Shortest Path First Ospf commands Ip ospf apply accept commandIp ospf apply redistribute direct command Ip ospf apply redistribute rip commandIp ospf apply redistribute static command Ip ospf spf-run commandRouter ospf enable command No router ospf enable commandRouter ospf command Default router ospf commandNo accept adv-rtr command Area commandNo accept adv-rtr routeripaddress enable Accept adv-rtr parameters Parameter DescriptionArea command is executed in the Router Conﬁguration mode No area commandArea parameters As-boundary-router command No as-boundary-router commandDefault-cost ethernet command No area command is executed in the Router Conﬁguration modeDefault-cost gig-ethernet command Default-cost fast-ethernet commandDefault-cost ten-gig-ethernet command No host-route command Host-route commandFollowing table describes the parameters of this command Redistribute command No redistribute commandParameters for this command are listed below Redistribute routetype enable route-policy policynameRfc1583-compatibility command No rfc1583-compatibility commandRouter-id command No router-id commandNo trap command Trap commandArea virtual-link command No area virtual-link command WordNo area virtual-link message-digest-key command Area virtual-link message-digest-key commandNo area virtual-link A.B.C.D. W.X.Y.Z authentication- key No auto-vlink command Auto-vlink commandIp ospf advertise-when-down command Ip ospf area command Ip ospf authentication-key commandIp ospf authentication-type command Ip ospf cost commandIp ospf dead-interval command Ip ospf hello-interval commandIp ospf mtu-ignore command Ip ospf network commandIp ospf priority command Ip ospf primary-md5-key commandIp ospf retransmit-interval command Ip ospf transmit-delay command Ip ospf message-digest-key commandOspf show commands Syntax of the ip ospf message-digest-keycommand isCommand Description Clear ip ospf counters commandClear ip ospf counters command Route policy commandsIp preﬁx-list command Clear ip ospf countersIp preﬁx-list parameters Parameter Description Route-map commandRoute-map parameters Field Description Ip rip in-policy rmapname Ip rip out-policy rmapnameVirtual Router Redundancy Protocol Vrrp commands Router vrrp enable commandNo router vrrp enable command Router vrrp commandNo ping-virtual-address enable command Send-trap enable commandNo send-trap enable command Ip vrrp address commandIp vrrp action command No ip vrrp address commandIp vrrp adver-int command Ip vrrp backup-master command No ip vrrp backup-master commandIp vrrp critical-ip command No ip vrrp critical-ip commandIp vrrp critical-ip-addr command Ip vrrp enable commandNo ip vrrp enable command Ip vrrp fast-adv commandIp vrrp fast-adv-int command No ip vrrp fast-adv commandIp vrrp holddown-timer command Ip vrrp priority command Show ip vrrp commandEqual Cost MultiPath Ecmp commands Rip maximum-path commandMaximum-path command Ospf maximum-path commandShow ecmp command Brouter port commands Brouter commandNo brouter command No brouter port brouterport routing enableShow brouter command UDP broadcast forwarding commandsIp forward-protocol udp command Show brouter command is executed in the User Exec modeClear ip forward-protocol udp counters command Ip forward-iprotocol udp command interface modeWhere the parameter 1-4094 speciﬁes the Vlan ID Clear ip forward-protocol udp countersDhcp relay commands Ip dhcp-relay commandNo ip dhcp-relay command To set DHCP, perform the following procedureShow ip dhcp-relay counters command Show ip dhcp-relay fwd-path commandIp dhcp-relay fwd-path command Syntax for the show ip dhcp-relayfwd-pathcommand isIp dhcp-relay fwd-path enable command Ip dhcp-relay fwd-path disable commandSyntax for the ip dhcp-relayfwd-path enable command is Dhcp feature is enabled by defaultNo ip dhcp-relay fwd-path command Show vlan dhcp-relay commandDhcp relay feature is enabled by default No ip dhcp-relay fwd-path A.B.C.D O.P.Q.RIp dhcp-relay min-sec 0-65535 mode bootp dhcp bootpdhcp Ip dhcp-relay broadcast commandIp dhcp-relay parameters Parameter Description No ip dhcp-relay broadcast command Address Resolution Protocol ARP conﬁgurationSyntax for the no ip dhcp-relay broadcast command is Ip dhcp-relay broadcastAdding a static ARP entry to a Vlan Changing the default ARP aging timeThis section contains the following topics Adding a static ARP entry to a brouter port Deleting a static ARP entryRouting Information Protocol RIP conﬁguration RIP conﬁguration tasksEnable RIP Disable Supply RIP Updates, if requiredDisable Listen for RIP Updates, if required Conﬁgure the interface, assign an IP address and add portsEnable Triggered Updates, if required 10 Conﬁgure send mode parameters11 Conﬁgure receive mode parameters Enable poison reverseConﬁguring RIP RIP conﬁguration exampleAssign the IP address 10.1.20.2/24 to Vlan Assign the IP address 10.1.30.2/24 to VlanEnable IP routing and RIP globally Enable RIP on the interface5530-24TFDconfig-if#ip rip listen disable Conﬁguring RIP version RIPv2 conﬁguration example Using RIP accept policies Add the route policy created in to both RIP core ports Accept policy conﬁgurationUsing RIP announce policies Conﬁgure the IP preﬁx list named Preﬁx2 with the IP address 5530-24TFDconfig# route-map rippol2 1 match network Prefix2 Open Shortest Path First Ospf conﬁgurationConﬁguring an IP Ospf interface Ospf interface example topologyOspf security IP Routing Conﬁguration and Management Conﬁgure MD5 authentication on R1 Conﬁgure MD5 authentication on R2Conﬁguring Ospf network types MD5 conﬁguration exampleConﬁguring Ospf areas Ospf network example5530-24TFDconfig-router# as-boundary-router enable Ospf normal areaOspf stub area Enable Ospf on R1 Ospf stub area exampleEnd Enable RIP globally and conﬁgure the RIP version 2 interface Nssa conﬁguration exampleApply the RipDist route policy to RIP Out Policy Conﬁguring Area Border Routers ABR ABR conﬁguration exampleEnd Area ID Range Subnet/Mask Range Type Conﬁguring Autonomous System Border Routers Asbr0.2 172.3.0.0/16 Summary Link Summarize 100 Conﬁgure the RIP interface for RIP version 2 mode only Asbr distribution example5530-24TFDconfig# ip prefix-list default 0.0.0.0/0 Controlling Nssa external route advertisements Enable Ospf External route advertisement exampleApply route policy to RIP Out Policy Conﬁguring a multi-area complex Multi-area complex exampleIP Routing Conﬁguration and Management IP routing conﬁguration examples IP Routing Conﬁguration and Management R2 conﬁguration commands IP Routing Conﬁguration and Management IP routing conﬁguration examples R3 conﬁguration commands STP PhaseIP routing conﬁguration examples IP Routing Conﬁguration and Management IP routing conﬁguration examples IP Routing Conﬁguration and Management IP routing conﬁguration examples IP Routing Conﬁguration and Management R4 conﬁguration commands IP Routing Conﬁguration and Management IP routing conﬁguration examples R5 conﬁguration commands IP routing conﬁguration examples IP Routing Conﬁguration and Management Show vlan ip Router R1 Status show vlanShow ip ospf Show ip ospf area Show ip ospf neighborShow ip route Router R2 Status show vlan10001 203.203.100.53 255.255.255.0 IfIndex Address Mask MacAddress100 10100 10.1.1.17 255.255.255.252 Show ip ospf interface Router R3 Status Show vlan Show ip rip Show ip rip interfaceShow route-map detail Show ip ospf redistribute172.1.1.1 203.203.100.52 IP Address Holddown Type Allow TrueIP routing conﬁguration examples Nbr Router ID Nbr IP Address Pri State RetransQLen Perm Router R4 Status Show vlan IP Routing Conﬁguration and Management Router R5 Status Yes Port Members 100 Vlan #100 Port None 0x0000 Port Members 1000 Vlan #1000 Port None 0x0000 YesIP routing conﬁguration examples Diagnosing neighbor state problems Accessed by using the show ip ospf neighbor command Virtual Router Redundancy Protocol Vrrp conﬁguration Conﬁguring normal Vrrp operation Vrrp example topologyConﬁgure the ports for Vlan 2 on R1 Conﬁgure Vlan 2 on router R1 Create Vlan 2 on router R1Conﬁgure an Ospf interface for Vlan Conﬁgure the ports for Vlan 3 on R1 Conﬁgure Vlan 2 on router R2 Create Vlan 2 on router R2Conﬁgure the ports for Vlan 2 on R2 Conﬁgure Vlan 3 on router R2End Conﬁguring Vrrp with Smlt Vlan Conﬁguration for Router R25530-24TFD# config terminal 5530-24TFDconfig# interface mlt Conﬁgure the IST Vlan on R1 Conﬁgure IST Vlan 3999 on R1Conﬁgure IST MLT on R1 Conﬁgure the IST and add the IST to VlanEnable Ospf interface on Vlan 2 of R1 5530-24TFDconfig-if# ist enable peer-ip 2.1.1.2 vlanCreate IP address for Vlan Create Smlt on R1Enable Ospf interface for Vlan 2 on R2 Conﬁgure IST MLT on R2Conﬁgure an IST peer for R2 and add the IST to Vlan Create an IP address for VlanConﬁgure Vrrp VIP address for Vlan 2 on R2 Conﬁguration for R2 Conﬁguring Vrrp with SLT Mlt spanning-tree 2 stp all learning disableVrrp with SLT conﬁguration Conﬁguration for R2 R2 = R1 & 0x1FThe Least Signiﬁcant 5 bits are selected R1 = CRC32 SIP, DIPEcmpindex = R2 % ecmpcount + Displaying the IP routing table 5530-24TFDconfig#ospf maximum-pathEcmp conﬁguration example Displaying global Ecmp conﬁguration 5530-24TFD# show ecmp Protocol MAX-PATH Static1 Rip2 Ospf4Creating a Layer 3 routable Vlan IP dialog Globals tabFollowing table describes the IP Address tab ﬁelds IP Vlan screenIP Address tab ﬁelds Field Description Insert IP Address screenIP routing Globals tabClick Insert IP screenGlobals tab ﬁelds Field Description Addresses tabAddresses tab Addresses tab ﬁelds Field Description Routes tabIP dialog- Routes tab Filtering route information Routes tab ﬁelds Field DescriptionFilter dialog ﬁelds Field Description Static Routes tab Click FilterTab will now be ﬁltered on the criteria speciﬁed Static Routes tabARP tab Insert Static Route ﬁeldsField Description ARP tabARP Interfaces tab Click Insert. The ARP tab is displayed with the new entryInsert ARP Entry screen Insert ARP Entry ﬁelds Field DescriptionARP Inspection Vlan tab IP screen ARP Interfaces tabARP Interfaces tab ﬁelds Field Description ARP Inspection-VLAN tabARP Inspection port tab ARP Inspection-port tabTCP tab TCP tabTCP tab ﬁelds Field Description TCP Connections tab UDP Listeners tabTCP Connections tab TCP Connections tab ﬁelds Field DescriptionUDP Listeners tab Ecmp tabUDP Listeners tab ﬁelds Field Description IP dialog Ecmp tab Global RIP conﬁgurationEcmp tab ﬁelds Field Description RIP dialog Globals tab RIP dialog Interface tab RIP interface conﬁgurationInterface tab ﬁelds Field Description RIP dialog Interface Advance tab Advanced RIP interface conﬁgurationInterface Advance tab ﬁelds Field Description RIP Statistics Stats tabStats tab ﬁelds Field Description Vlan RIP conﬁgurationRIP Stats Graph dialog IP Vlan screen RIP tab RIP tab ﬁelds Field DescriptionOspf dialog General tab Global Ospf conﬁgurationGeneral tab ﬁelds Field Description Field Description Ospf area conﬁguration Ospf dialog Areas tabAreas tab ﬁelds Field Description To delete an Ospf area, use the following procedure Ospf area creationOspf area deletion Deleting an Ospf areaOspf dialog Stub Area Metrics tab Stub Area Metrics conﬁgurationStub Area Metrics tab ﬁelds Ospf dialog Interfaces tab Interface conﬁgurationInterfaces tab ﬁelds Field Description Field Description Interface Metric conﬁguration Ospf dialog If Metrics tabIf Metrics tab ﬁelds Field Description Neighbor informationOspf dialog Neighbors tab Virtual interface information Click Refresh to update the informationNeighbor tab ﬁelds Field Description Virtual If tab Virtual Interface ﬁelds Field DescriptionVirtual interface creation Creating an Ospf virtual interface Step ActionClick Insert. The OSPF, Insert Virtual If dialog opens Enter the information in the ﬁelds on the Virtual If windowVirtual interface tab Insert virtual interface dialogVirtual interface deletion Automatic Virtual Link creationDeleting an Ospf virtual interface Step Action Creating an automatic Virtual Link Step ActionCheck the AutoVirtLinkEnable box Deselect the AutoVirtLinkEnable boxAutomatic Virtual Link Deletion Virtual neighbors informationVirtual Neighbors tab Virtual Neighbors tab ﬁelds Field DescriptionTo create an Ospf host, use the following procedure Ospf Hosts informationOspf Host creation Hosts tabTo delete an Ospf host, use the following procedure Ospf Host deletionCreating an Ospf host Step Action Deleting an Ospf host Step ActionOspf dialog Link State Database tab Link State Database informationLink State Database ﬁelds Field Description Ospf dialog Ext. Link State Database tab External Link State Database informationExt. Link State Database ﬁelds Field Area Aggregate conﬁguration Ospf dialog Area Aggregate tab Area Aggregate tab ﬁelds Field DescriptionTo create a new Ospf area aggregate, follow this procedure Area Aggregate creationInsert Area Aggregate dialog Insert Area Aggregate dialog ﬁelds Field DescriptionOspf redistribution conﬁguration Area Aggregate deletionDeleting an Ospf area aggregate Step Action To create a new redistribution entry, follow this procedure Redistribution creationOspf dialog Redistribute tab Redistribute tab ﬁelds Field DescriptionInsert Redistribute dialog Redistribution deletionInsert Redistribute dialog ﬁelds Field Description Message Digest information Deleting a redistribution entry Step ActionOspf dialog Message Digest tab Message Digest tab ﬁelds Field DescriptionClick Refresh to update the displayed information Message Digest creationInsert Message Digest dialog Insert Message Digest dialog ﬁelds Field DescriptionMessage Digest deletion Virtual If Message Digest informationDeleting an Ospf message digest entry Step Action Virtual If Message Digest tabCreating a Virtual If Message Digest entry Step Action Virtual If Message Digest creationVirtual If Message Digest ﬁelds Field Description Virtual If Message Digest deletion Ospf statisticsEnter the information in the ﬁelds provided Click Insert Deleting a Virtual If Message Digest entry Step ActionOspf dialog Stats tab OspfVlan Ospf statistics Ospf Stats tab Ospf Stats tab ﬁelds Field DescriptionPreﬁx List conﬁguration To create a new preﬁx list, follow this procedure Preﬁx List creationPolicy dialog Preﬁx List tab Preﬁx List tab ﬁelds Field DescriptionTo delete a preﬁx list, use the following procedure Preﬁx List deletionDeleting a Preﬁx List Step Action Insert Preﬁx List dialogPolicy dialog Route Policy tab Route Policy conﬁgurationRoute Policy tab ﬁelds Field Description IP Routing Conﬁguration and Management To create a new route policy, follow this procedure Route Policy creationInsert Route Policy dialog Insert Route Policy ﬁelds Field DescriptionIP routing conﬁguration using the Java Device Manager Route policy deletion To delete a route policy, use the following procedureDeleting a route policy Step Action Applying Ospf policies Ospf Accept Policy conﬁgurationPolicy dialog Applying Policy tab Applying Policy tab ﬁelds Field DescriptionTo create a new Ospf accept policy, follow this procedure Ospf Accept Policy creationPolicy dialog Ospf Accept tab Ospf Accept tab ﬁelds Field DescriptionOspf Accept Policy deletion Deleting an Ospf accept policy Step ActionInsert Ospf Accept dialog Insert Ospf Accept ﬁelds Field DescriptionPolicy dialog RIP In/Out Policy tab RIP In and Out Policy conﬁgurationRIP In/Out Policy tab ﬁelds Field Description Global Vrrp conﬁguration Vrrp dialog Globals tabVrrp interface creation Vrrp dialog Interface Address tabTo delete a Vrrp interface, use the following procedure Vrrp Interface deletionDeleting a Vrrp interface Step Action Insert Interface Address dialogVrrp interface management Vrrp dialog Interfaces tabIP routing conﬁguration using the Java Device Manager Graphing Vrrp interface information Vrrp Stats dialogVrrp Stats ﬁelds Field Description Viewing general Vrrp statisticsType ﬁeld Vrrp dialog Stats tab Conﬁguration and management of Brouter ports Ecmp conﬁgurationSelect a port on the Device Manager Front Panel view Creating a Brouter port To create a new brouter port, use the following procedurePort dialog IP Address tab To delete a brouter port, use the following procedure Deleting a Brouter portInsert IP Address dialog Insert IP Address dialog ﬁelds Field DescriptionUDP Forward dialog Protocols tab UDP protocol conﬁgurationInsert Protocols dialog Insert Protocols dialog ﬁelds Field Description UDP forwarding conﬁgurationUDP Forward dialog Forwardings tab UDP forwarding deletion Deleting a UDP forwarding Step ActionInsert Forwardings dialog Insert Forwardings dialog ﬁelds Field DescriptionUDP forwarding list conﬁguration UDP forwarding list creationUDP Forward dialog Forwarding Lists tab Forwarding Lists tab ﬁelds Field DescriptionUDP forwarding list deletion Deleting a UDP forwarding list Step ActionSelect the Forwarding Lists tab Insert Forwarding Lists dialogConﬁguring UDP broadcast interfaces Select an Id to delete Click DeleteUDP Forward dialog Broadcast Interfaces tab Broadcast Interface tab ﬁelds Field DescriptionUDP broadcast interface creation Insert Broadcast Interfaces dialogUDP broadcast interface deletion Deleting a UDP broadcast interfaceDhcp conﬁguration Insert Broadcast Interfaces dialog ﬁelds Field DescriptionTo conﬁgure a Dhcp entry, use the following procedure Creating a Dhcp entry Step ActionDhcp Relay tab Insert Dhcp RelayTo delete a Dhcp entry, use the following procedure To enable Dhcp Snooping, use the following procedureDhcp Snooping Dhcp Snooping VlanDhcp Snooping port Dhcp Snooping-VLAN tabDhcp bindings Dhcp Snooping-port tabIP Source Guard port Dhcp BindingsIP Source Guard-port tab IP Source Guard addressesIP Source Guard-addresses tab Vlan Dhcp conﬁguration Following table describes the Dhcp tab ﬁeldsDhcp tab ﬁelds Dhcp tab ﬁelds Fields DescriptionMake changes as necessary in the ﬁelds provided Click Apply Fields DescriptionIP Routing Conﬁguration and Management Conﬁguring Igmp snooping using the Java Device Manager Vlan Snoop tabVlan Snoop tab ﬁelds Field Description Enabling Igmp Snooping for a Vlan 308 Conﬁguring Igmp snooping using the Java Device Manager Conﬁguring Igmp using Web-based management Igmp Conﬁguration screenIgmp Vlan Setting ﬁelds Field Description Igmp Vlan Conﬁguration screenConﬁguring Igmp using the Web-based Management Interface Click Submit Vlan Conﬁguration screen reopens and the settings are savedIgmp Multicast Group Membership window Multicast Group Index Non-local static routes OspfIndex Page Conﬁguration-IP Routing Protocols