Nortel Networks NN47200-503 User Manual

Nortel Ethernet Routing Switch 5500 SeriesConfiguration-IP RoutingProtocolsNN47200-503 (217465-C).

10 PrefaceRelated publicationsFor more information about the management, configuration, and use of theNortel Ethernet Routing Switch 5500 Series, refer

100 IP Routing Configuration and ManagementCommandDescriptionshow ip ospf area-range<ip_address>Displays configuration information about theOSPF a

IP routing configuration using the CLI 101CommandDescriptionshow ip ospf virtual-neighbors Displays general information about virtualneighbors.show ip

102 IP Routing Configuration and Managementip prefix-list parametersParameter Description<prefix_name> The name assigned to the prefix list.<ip_a

IP routing configuration using the CLI 103<prefix_list> Indicates a previously defined prefix list to be used with thecommand. This parameter is use

104 IP Routing Configuration and ManagementThe ip rip out-policy command is executed in the InterfaceConfiguration mode.Virtual Router Redundancy Protoc

IP routing configuration using the CLI 105ping-virtual-address enableThe ping-virtual-address enable command is executed in theRouter Configuration mode

106 IP Routing Configuration and ManagementThe ip vrrp address command is executed in the InterfaceConfiguration mode.no ip vrrp address commandThe no i

IP routing configuration using the CLI 107ip vrrp backup-master commandThe ip vrrp backup-master command is used to enable the VRRPbackup / master func

108 IP Routing Configuration and ManagementThe no ip vrrp critical-ip command is executed in the InterfaceConfiguration mode.ip vrrp critical-ip-addr co

IP routing configuration using the CLI 109The <vr_id> parameter represents the virtual router being configured.The ip vrrp fast-adv command is exe

Finding the latest updates on the Nortel web site 11Title Description Part NumberNortel EthernetRouting Switch 5500Series Release Notes- Release 5.1Pr

110 IP Routing Configuration and Managementip vrrp priority commandThe ip vrrp priority command is used to assign a priority to a virtualrouter.The syn

IP routing configuration using the CLI 111The <path_count> parameter represents the number of ECMP pathsallotted. This is a value between 1 and 4

112 IP Routing Configuration and ManagementBrouter port commandsA brouter port is a single-port VLAN that can route IP packets as well asbridge all non

IP routing configuration using the CLI 113show brouter commandThe show brouter command is used to display information about thebrouter configuration on

114 IP Routing Configuration and Managementclear ip forward-protocol udp counters commandThe clear ip forward-protocol udp counters command clearsthe U

IP routing configuration using the CLI 115DHCP relay commandsThis section covers the commands that are used to configure and manageDHCP on the Nortel Et

116 IP Routing Configuration and Managementshow ip dhcp-relay counters commandThe show ip dhcp-relay counters command displays the currentDHCP relay co

IP routing configuration using the CLI 117ip dhcp-relay fwd-path parametersParameter Description<A.B.C.D> Enter the IP address of the DHCP agent

118 IP Routing Configuration and ManagementThe following table describes the parameters for this command.ip dhcp-relay fwd-path disable parametersParam

IP routing configuration using the CLI 119The show vlan dhcp-relay command is executed in the User EXECcommand mode.ip dhcp-relay commandThe ip dhcp-re

12 PrefaceHow to get helpIf a service contract for the Nortel product has been purchased from adistributor or authorized reseller, contact the technic

120 IP Routing Configuration and Managementip dhcp-relay broadcastThe ip dhcp-relay broadcast command is executed in the InterfaceConfiguration command

IP routing configuration examples 121This section contains the following topics:•"Changing the default ARP aging time" (page 121)•"Addin

122 IP Routing Configuration and ManagementAdding a static ARP entry to a brouter portTo add a static ARP entry to a brouter port, use the ip arp comma

IP routing configuration examples 123Note: The command examples below demonstrate the configurationof RIP on a VLAN.Step Action1Configure the interface,

124 IP Routing Configuration and Management5530-24TFD(config-if)# ip rip default-supply enable6Enable Default Route Listen to add a default route to th

IP routing configuration examples 125Therefore, the receiver neighbor ignores this route becausethe metric 16 indicates infinite hops in the network. Th

126 IP Routing Configuration and ManagementStep Action1Configure tagging on ports 1/47 and 1/48. Tagging is required tosupport multiple VLANs on the sam

IP routing configuration examples 1275530-24TFD(config-if)#ip rip listen disable4Configure brouter port 2/7 on ERS2.a. Assign the IP address 10.1.1.1/30

128 IP Routing Configuration and Managementinterface vlan 3no ip rip listen enableno ip rip supply enable! *** Brouter Port *** !interface fastEthernet

IP routing configuration examples 129RIPv2 configuration exampleUse the following procedure to configure ERS2 to add RIP version 2 toVLAN 2, VLAN 3, and

13An Introduction to IP Routing ProtocolsThis chapter provides an introduction to IP routing and IP routing protocolsused in the Nortel Ethernet Routi

130 IP Routing Configuration and Management5530-24TFD(config-if)# ip rip receive version rip2—End—Using RIP accept policiesRIP accept policies are used

IP routing configuration examples 131Accept policy configurationUse the following steps to recreate the above configuration example:Step Action1Configure

132 IP Routing Configuration and Management5530-24TFD(config)# interface FastEthernet 2/85530-24TFD(config-if)# brouter vlan 2091 subnet10.1.1.5/305530

IP routing configuration examples 133Step Action1Configure the IP prefix list on ERS3 named Prefix_1 with the IPaddress 10.1.240.0.5530-24TFD(config)# ip

134 IP Routing Configuration and Management5530-24TFD(config)# route-map rip_pol_2 1 matchnetwork Prefix_23Add the Route Policy created in step 2 to bo

IP routing configuration examples 135To create the OSPF interface illustrated above for router R1, follow thisprocedure:Step Action1Configure brouter po

136 IP Routing Configuration and ManagementSimple password mechanism The simple password security mechanismtransmits a text password in the OSPF header

IP routing configuration examples 137MD5 configuration exampleTo replicate the above configuration example using the key ID 2 and keyvalue qwsdf89, perfo

138 IP Routing Configuration and ManagementOSPF network exampleTo create the configuration illustrated above for router R1, use the followingcommands:55

IP routing configuration examples 139The impact of a topology change is localized to the area in which it occurs.The only exception to this is for the

14 An Introduction to IP Routing ProtocolsClassAddress Range MaskNumber ofNetworksNodes perNetworkD224.0.0.0 -239.255.255.254Note: Class D addresses a

140 IP Routing Configuration and ManagementStub and Not So Stubby areas Stub areas do not receive adver tisementsfor external routes (AS-external LSAs,

IP routing configuration examples 141OSPF stub area exampleNote: AS-external LSAs are not flooded into a stub area. Instead, onlyone default route to ex

142 IP Routing Configuration and ManagementConfigure R1 in stub area 2 with the Router-ID 1.1.1.5. Add theOSPF interfaces to area 2 and enable OSPF on t

IP routing configuration examples 143Not So Stubby Areas (NSSA) Similar to stub areas, the not so stubbyarea (NSSA) can also prevent the flooding of AS-

144 IP Routing Configuration and Management5530-24TFD(config)# interface vlan 1005530-24TFD(config-if)# ip rip receive version rip2send version rip2c.

IP routing configuration examples 145Configuring Area Border Routers (ABR)Configuration of an OSPF ABR is an automatic process on the NortelEthernet Rout

146 IP Routing Configuration and Management3Enable OSPF.Configure R1 as an ABR. Note that, by default, OSPF interface10.1.1.22 is placed into OSPF area

IP routing configuration examples 147Area ID Range Subnet/Mask Range Type Advertise Mode Metric----------- ------------------ ------------- -----------

148 IP Routing Configuration and ManagementASBR distribution exampleUse the following procedure to replicate the ASBR distribution example:Step Action1

IP routing configuration examples 1495530-24TFD(config-router)# as-boundary-router enable5530-24TFD(config-router)# router-id 1.1.1.35530-24TFD(config)

IP routing 15A subnet address is created by increasing the network portion to includea subnet address, thus decreasing the host portion of the IP addr

150 IP Routing Configuration and Management2Configure a route policy.Create a route policy named Policy_Default which distributesthe IP prefix list creat

IP routing configuration examples 151External route advertisement exampleThe following procedure outlines the commands used to replicate the aboveconfig

152 IP Routing Configuration and ManagementConfigure R1 as an ASBR, assign the OSPF Router-ID 1.1.1.5,create OSPF NSSA area 2, add the OSPF interface 10

IP routing configuration examples 153Configuring a multi-area complexThe multi-area complex configuration example described in this sectionuses five Norte

154 IP Routing Configuration and Management•R4 is an OSPF internal router in Area 3.•R5 is an internal OSPF stub router in Area 2.•All interfaces used

IP routing configuration examples 155vlan name 1 "VLAN #1"vlan create 102 name "VLAN #102" type portvlan create 103 name "VLAN

156 IP Routing Configuration and Managementenableexit! *** MLT (Phase 2) *** !mlt spanning-tree 1 stp 3 learning normalmlt spanning-tree 2 stp 2 learni

IP routing configuration examples 157ip ospf dead-interval 40ip ospf enableexitinterface vlan 102ip ospf area 0.0.0.0ip ospf network broadcastip ospf p

158 IP Routing Configuration and Managementvlan members 102 1-2vlan ports 1-2 pvid 102vlan ports 3-4 pvid 1vlan ports 5-6 pvid 100vlan ports 7-8 pvid 1

IP routing configuration examples 159mlt spanning-tree 1 stp 2 learning normalmlt spanning-tree 2 stp 1 learning normalmlt spanning-tree 2 stp 2 learni

16 An Introduction to IP Routing ProtocolsVariable-length subnet masking (VLSM) is the ability to divide an intranetinto pieces that match network req

160 IP Routing Configuration and Managementdefault-cost 1area 0.0.0.2 import-summaries enablearea 0.0.0.3 import externalarea 0.0.0.3 import-summaries

IP routing configuration examples 161spanning-tree stp 3 createspanning-tree cost-calc-mode dot1dspanning-tree port-mode normalspanning-tree stp 1 prio

162 IP Routing Configuration and Managementvlan igmp 103 snooping disablevlan igmp 103 proxy disable robust-value 2query-interval 125vlan igmp 104 snoo

IP routing configuration examples 163mlt spanning-tree 4 stp 1 learning normal! *** L3 *** !no ip directed-broadcast enableip routinginterface vlan 1ip

164 IP Routing Configuration and Managementroute-map Allow 1 set ip-preference 0! *** OSPF *** !router ospf enablerouter ospfrouter-id 1.1.1.3as-bounda

IP routing configuration examples 165ip ospf priority 1ip ospf authentication-type noneip ospf mtu-ignore enableno ip ospf advertise-when-down enableno

166 IP Routing Configuration and Managementip rip timeout 180no ip rip triggered enableip rip supply enableexitinterface vlan 104no ip rip advertise-wh

IP routing configuration examples 167no ip rip triggered enableip rip supply enableexitinterface vlan 1no ip rip advertise-when-down enableno ip rip au

168 IP Routing Configuration and Managementvlan ports 1-2 pvid 104vlan ports 3-6 pvid 1vlan ports 7-8 pvid 101vlan ports 9-26 pvid 1vlan igmp unknown-m

IP routing configuration examples 169ip dhcp-relay min-sec 0 mode bootp_dhcpno ip dhcp-relay broadcastip dhcp-relayexitinterface vlan 104ip address 10.

IP routing 17As with any IP address, virtual router interface addresses are also used fordevice management. For management over IP, any virtual router

170 IP Routing Configuration and Managementno ip ospf advertise-when-down enableip ospf enableexitinterface vlan 1ip ospf area 0.0.0.0ip ospf network b

IP routing configuration examples 171vlan igmp 1000 proxy disable robust-value 2query-interval 125vlan mgmt 1! *** MLT (Phase 1) *** !mlt 5 name "

172 IP Routing Configuration and Managementno trap enabletimers basic holddown 10rfc1583-compatibility enabledefault-cost ethernet 100default-cost fast

IP routing configuration examples 173Router R1 Statusshow vlanId Name Type Protocol User PID Active IVL/SVL Mgmt--- --------- ---- -------- -------- --

174 IP Routing Configuration and Managementshow ip ospf areaArea ID: 0.0.0.0Import Summaries: YesImport Type: ExternalIntra-Area SPF Runs: 35Reachable

IP routing configuration examples 175Interface Nbr Router ID Nbr IP Address Pri State RetransQLen Perm--------- ------------- -------------- --- -----

176 IP Routing Configuration and ManagementId ifIndex Address Mask MacAddress Offset Routing1 10001 203.203.100.53 255.255.255.0 00:15:9B:F3:70:40 1 En

IP routing configuration examples 177Link-State Advertisements: 13Link-State Advertisements Checksum: 454461(0x6ef3d)show ip ospf interfaceInterface: 1

178 IP Routing Configuration and ManagementInterface Nbr Router ID Nbr IP Address Pri State RetransQLen Perm--------- ------------- -------------- ---

IP routing configuration examples 179show vlan ipId ifIndex Address Mask MacAddress Offset Routing1 10001 203.203.100.52 255.255.255.0 00:15:9B:F1:FC:4

18 An Introduction to IP Routing ProtocolsNetwork with MultinettingYou can configure a static route with the next hop on the secondaryinterface. You ca

180 IP Routing Configuration and Management172.1.1.1203.203.100.52IP Address Holddown Timeout--------------- -------- -------10.1.1.2 120 18010.1.1.25

IP routing configuration examples 181Router ID: 1.1.1.3Admin Status: EnabledVersion Number: 2Area Border Router Oper Status: FalseAS Boundary Router Co

182 IP Routing Configuration and ManagementPriority: 1Designated Router: 10.1.1.26Backup Designated Router: 10.1.1.25Authentication Type: NoneMTU Ignor

IP routing configuration examples 183show ip route========================================================================Ip Route=====================

184 IP Routing Configuration and ManagementVersion Number: 2Area Border Router Oper Status: FalseAS Boundary Router Config Status: FalseExternal Link-S

IP routing configuration examples 185Designated Router: 10.1.1.25Backup Designated Router: 10.1.1.26Authentication Type: NoneMTU Ignore: YesAdvertise W

186 IP Routing Configuration and Managementshow vlanId Name Type Protocol User PID Active IVL/SVL Mgmt--- ---------- ---- -------- -------- ------ ----

IP routing configuration examples 187Import Type: No ExternalIntra-Area SPF Runs: 11Reachable Area Border Routers: 1Reachable Autonomous System Border

188 IP Routing Configuration and ManagementInterface Nbr Router ID Nbr IP Address Pri State RetransQLen Perm--------- --------------- --------------- -

IP routing configuration examples 1893Init The router received a general hello packet (withoutits Router ID) from another router.42-Way The router rece

IP routing 19If secondary interfaces are configured on the management VLAN, routingcannot be disabled globally or on the management VLAN. Secondary IPi

190 IP Routing Configuration and ManagementA mismatch in maximum transmission unit (MTU) sizes between the routersusually causes this type of problem.

IP routing configuration examples 19100-00-5E-00-01-<VRID>Where the VRID is an integer value in the range 1 to 255 that representsthe virtual rou

192 IP Routing Configuration and ManagementThe VRRP priority setting is used to determine which router will becomethe VRRP master and which will become

IP routing configuration examples 1935530-24TFD# config terminal5530-24TFD(config)# router vrrp ena5530-24TFD(config)# interface vlan 25530-24TFD(confi

194 IP Routing Configuration and Management5530-24TFD(config)# vlan create 2 type portb. Configure the ports for VLAN 2 on R2.5530-24TFD# config termina

IP routing configuration examples 195c. Configure an IP address for VLAN 3.Add IP address 10.1.21.3 / 255.255.255.0 to VLAN 3.5530-24TFD# config termina

196 IP Routing Configuration and Managementrouter vrrp enainterface vlan 2ip vrrp address 1 10.1.20.1ip vrrp 1 enablevlan create 3 type portinterface v

IP routing configuration examples 197The Nortel Ethernet Routing Switch 5500 Series (E1), running in Layer 2mode, is configured with one port-based VLAN

198 IP Routing Configuration and Management5530-24TFD(config-if)# ist enable peer-ip 2.1.1.2vlan 39992Configure VRRP and SMLT for access VLAN to E1a. Co

IP routing configuration examples 1993Configure the IST VLAN for router R2a. Configure IST VLAN 3999 on R25530-24TFD# config terminal5530-24TFD(config)#

Document status: StandardDocument version: 03.01Document date: 27 August 2007Copyright © 2005-2007, Nortel NetworksAll Rights Reserved.The information

20 An Introduction to IP Routing ProtocolsManagement VLANPrior to Software Release 4.0, the Management VLAN was the only VLANthat was used to carry th

200 IP Routing Configuration and Management5530-24TFD# config terminal5530-24TFD(config)# router ospf enable5530-24TFD(config)# router ospf5530-24TFD(c

IP routing configuration examples 201router vrrp enainterface vlan 2ip vrrp address 1 10.1.20.1ip vrrp 1 enableip vrrp 1 backup-master enablevlan creat

202 IP Routing Configuration and Managementmlt spanning-tree 2 stp all learning disableConfiguring VRRP with SLTThe following illustration and configurat

IP routing configuration examples 203router vrrp enainterface vlan 2ip vrrp address 1 10.1.20.1ip vrrp 1 enableip vrrp 1 backup-master enablevlan creat

204 IP Routing Configuration and Managementinterface fast-Ethernet 1/48spanning-tree stp 1 learning disableEqual Cost Multipath (ECMP)Equal Cost Multip

IP routing configuration examples 205In the configuration example illustrated below, the following command wouldenable two OSPF ECMP paths on router R1:

206 IP Routing Configuration and Management========================================================================Ip Route============================

IP routing configuration using the Java Device Manager 207Creating a Layer 3 routable VLANNote: The creation of a Management VLAN in the JDM requires t

208 IP Routing Configuration and ManagementIP VLAN screenThe following table describes the IP Address tab fields.IP Address tab fieldsField DescriptionIp

IP routing configuration using the Java Device Manager 2095Type the IP Address, Subnet Mask, and Mac Address Offset inthe fields provided.6Click Insert.

IP routing 21Step Action1Enable IP routing globally.2Assign an IP address to the specific VLAN or brouter port.3Enable IP routing on the interface.—End

210 IP Routing Configuration and ManagementGlobals tab fieldsField DescriptionForwarding Indicates whether the switch is forwardingdatagrams received by

IP routing configuration using the Java Device Manager 211Addresses tab fieldsField DescriptionIfIndex The port number or VLAN ID.IpAddress The device I

212 IP Routing Configuration and ManagementRoutes tab fieldsField DescriptionDest The destination address of the route.Mask The subnet mask used by the

IP routing configuration using the Java Device Manager 2132Using the fields provided, set the filter for the tab. These fields aredescribed in the followi

214 IP Routing Configuration and ManagementPathType Select this check box and enter a value to filteron the route path type.Pref Select this check box a

IP routing configuration using the Java Device Manager 215Insert Static Route fieldsField DescriptionDest The destination IP address of the route.0.0.0.

216 IP Routing Configuration and Management2Click Insert. The Insert ARP Entry screen opens. This screenis illustrated below.Insert ARP Entry screen3To

IP routing configuration using the Java Device Manager 217IP screen - ARP Interfaces tab3Using the provided fields, configure proxy ARP. These fields areo

218 IP Routing Configuration and Management5Select true to enable ARP Inspection-VLAN or falseto disable ARPInspection-VLAN.6Click Apply.—End—ARP Inspe

IP routing configuration using the Java Device Manager 219TCP tabThe TCP tab displays Transmission Control Protocol (TCP) information forthe switch. Th

22 An Introduction to IP Routing ProtocolsProxy Address Resolution Protocol (Proxy ARP)Proxy ARP allows a network station to respond to an ARP request

220 IP Routing Configuration and ManagementTCP Connections tabThis tab displays information on the current TCP connections the switchmaintains. This ta

IP routing configuration using the Java Device Manager 221Step Action1Open the IP screen by selecting IP Routing > IP from the menu.Select the UDP L

222 IP Routing Configuration and ManagementIP dialog - ECMP tab3Using the provided fields, configure ECMP. These fields are outlinedin the following table

IP routing configuration using the Java Device Manager 223RIP dialog - Globals tab2Using the fields provided, configure the global RIP parameters. Thefol

224 IP Routing Configuration and Management—End—RIP interface configurationRIP interface configuration is used to tailor RIP to the individual interfaces

IP routing configuration using the Java Device Manager 2253Click Apply.—End—Advanced RIP interface configurationAdvanced RIP interface configuration is u

226 IP Routing Configuration and ManagementDefaultListen Determines whether this interface listens fordefault route advertisements.TriggeredUpdate Enab

IP routing configuration using the Java Device Manager 227Stats tab fieldsField DescriptionAddress The RIP interface address.RcvBadPackets The number of

228 IP Routing Configuration and ManagementIP VLAN screen - RIP tab4Using the provided fields, configure the interface RIP parameters.These fields are out

IP routing configuration using the Java Device Manager 229This section describes the configuration of OSPF on the switch using theJava Device Manager.Gl

IP routing 23Non-local static routesThe Nortel Ethernet Routing Switch 5500 Series supports the usage ofnon-local static routes. A non-local static ro

230 IP Routing Configuration and ManagementField DescriptionExternLsaCount The number of external (link state type 5)link-state adver tisements in the

IP routing configuration using the Java Device Manager 231Field DescriptionRfc1583Compatibility Controls the preference rules used whenchoosing among m

232 IP Routing Configuration and ManagementAreas tab fieldsField DescriptionAreaId The area’s unique identifier. Area ID 0.0.0.0 isused for the OSPF back

IP routing configuration using the Java Device Manager 233OSPF area creationThe Areas tab can also be used to create a new OSPF area. To create anew OS

234 IP Routing Configuration and ManagementStep Action1Select IP Routing > OSPF from the Device Manager menu. TheOSPF dialog opens.2Select the Areas

IP routing configuration using the Java Device Manager 2353Click Apply.—End—Interface configurationThe Interfaces tab of the OSPF dialog is used to confi

236 IP Routing Configuration and ManagementField DescriptionRtrPriority The priority of the interface. Used inmulti-access networks, this field is used

IP routing configuration using the Java Device Manager 237Field DescriptionRtrDeadInterval The number of seconds that a router’s Hellopackets have not

238 IP Routing Configuration and ManagementIf Metrics tab fieldsField DescriptionIpAddress The IP address of the interface.TOS The Type of Service assoc

IP routing configuration using the Java Device Manager 239Neighbor tab fieldsField DescriptionIpAddr The IP address this neighbor is using asan IP sourc

24 An Introduction to IP Routing Protocols3. The neighbors will send their routing tables and the new router willupdate its routing table based on the

240 IP Routing Configuration and ManagementStep Action1Select IP Routing > OSPF from the Device Manager menu. TheOSPF dialog opens.2Select the Virtu

IP routing configuration using the Java Device Manager 241Field DescriptionRtrDeadInterval Specifies the number of seconds since a router lasttransmitte

242 IP Routing Configuration and ManagementVirtual interface tab4Click Insert. The OSPF, Insert Virtual If dialog opens.Insert virtual interface dialog

IP routing configuration using the Java Device Manager 243Field DescriptionAuthType Specifies the interface authentication type. The availableauthentica

244 IP Routing Configuration and Management3Check the AutoVirtLinkEnable box.4Click Apply.5Enter the router ID in the RouterId box for the other end po

IP routing configuration using the Java Device Manager 245Step Action1Select IP Routing > OSPF from the Device Manager menu. TheOSPF dialog opens.2S

246 IP Routing Configuration and Management—End—OSPF Hosts informationUse the Hosts tab of the OSPF dialog to view virtual neighbor information.Use the

IP routing configuration using the Java Device Manager 247Creating an OSPF hostStep Action1From the Device main menu, select OSPF. The OSPF windowopens

248 IP Routing Configuration and ManagementLink State Database informationThe Link State Database tab of the OSPF dialog is used to view link stateinfo

IP routing configuration using the Java Device Manager 249Age The age of the link state advertisement in seconds.Checksum The checksum of the complete

IP routing 25•subnet mask (RIP version 2)•routing table update based on the received RIP message•global update timer•holddown timer and timeout timer

250 IP Routing Configuration and ManagementLsid The Link State ID is a link state type-specific fieldcontaining either a Router ID or an IP address. This

IP routing configuration using the Java Device Manager 251OSPF dialog - Area Aggregate tab2Using the fields provided, configure the area aggregate inform

252 IP Routing Configuration and ManagementArea Aggregate creationTo create a new OSPF area aggregate, follow this procedure:Step Action1Select IP Rout

IP routing configuration using the Java Device Manager 253Effect This field indicates the aggregates effect.Subnets subsumed by aggregate ranges eithert

254 IP Routing Configuration and ManagementOSPF dialog - Redistribute tab2Use the fields provided on this tab to configure redistribution. Thesefields are

IP routing configuration using the Java Device Manager 2552Click Insert.3The Insert Redistribute dialog opens. This dialog is illustratedbelow.Insert R

256 IP Routing Configuration and ManagementDeleting a redistribution entryStep Action1From the Device Manager main menu, select IP Routing. The IPRouti

IP routing configuration using the Java Device Manager 257Type The type of digest entry. Only MD5 is supported.Key The key value associated with the di

258 IP Routing Configuration and Management—End—Message Digest deletionTo delete an OSPF message digest entry, use the following procedure.Deleting an

IP routing configuration using the Java Device Manager 2593Use the fields in the following table to view Virtual If Message Digestinformation:Virtual If

26 An Introduction to IP Routing ProtocolsRIP Send and Receive ModesRIP can be configured to use a number of different send and receive modesdepending

260 IP Routing Configuration and ManagementOSPF Insert Virtual If Message Digest window5Enter the information in the fields provided.6 Click Insert.—End

IP routing configuration using the Java Device Manager 261Step Action1Select IP Routing > OSPF from the Device Manager menu. TheOSPF dialog will ope

262 IP Routing Configuration and ManagementBuffersFreed Indicates the total number of buffers that arefreed by OSPF.BufferAllocFailures Indicates the n

IP routing configuration using the Java Device Manager 263OSPF Stats tab5The following table describes the fields on this tab.OSPF Stats tab fieldsField

264 IP Routing Configuration and ManagementTxHellos The number hello packets transmitted by this interface.TxDBDescrs The number of database descriptor

IP routing configuration using the Java Device Manager 265Policy dialog - Prefix List tab2Using the fields provided, configure the selected Prefix List. Th

266 IP Routing Configuration and ManagementInsert Prefix List dialog4Using the fields provided, create a new prefix list. These fields aredescribed in the

IP routing configuration using the Java Device Manager 267Route Policy configurationThe Route Policy tab is used to configure route policies on the switc

268 IP Routing Configuration and ManagementMatchIpRouteSource If configured, matches the next hop IP addressfor RIP routes and advertising router IDsfor

IP routing configuration using the Java Device Manager 269SetMetricType Applicable to OSPF protocol only. If configured,sets the metric type for the rou

IP routing 27rip1OrRip2 RIP version 1 or RIP version 2 updates are accepted.rip1 RIP version 1 and RIP version 1 compatible updates only areaccepted.r

270 IP Routing Configuration and ManagementInsert Route Policy dialog4Using the fields provided, create the new route policy. These fieldsare described i

IP routing configuration using the Java Device Manager 271MatchNetwork If configured, the switch matches thedestination network against the contents oft

272 IP Routing Configuration and ManagementSetMetric If configured, the switch sets the metricvalue for the route while announcing orredistributing. The

IP routing configuration using the Java Device Manager 273Applying OSPF policiesThe Applying Policy tab is used to apply configured OSPF policies to the

274 IP Routing Configuration and ManagementStep Action1Select IP Routing > Policy from the Device Manager menu. ThePolicy dialog opens with the Prefi

IP routing configuration using the Java Device Manager 2753The Insert OSPF Accept dialog opens. This dialog is illustratedbelow.Insert OSPF Accept dial

276 IP Routing Configuration and Management—End—RIP In and Out Policy configurationThe RIP In/Out Policy tab is used to configure RIP accept and announce

IP routing configuration using the Java Device Manager 277Virtual Router Redundancy Protocol (VRRP)The Virtual Router Redundancy Protocol (VRRP) is des

278 IP Routing Configuration and ManagementNotificationCntl Indicates whether the VRRP-enabled routergenerates Simple Network ManagementProtocol (SNMP)

IP routing configuration using the Java Device Manager 279Insert Interface Address dialog4Using the provided fields, create the new interface. These fiel

28 An Introduction to IP Routing ProtocolsBenefitsBenefits in large networks OSPF offers the following benefits:•Fast convergenceIn the event of topologi

280 IP Routing Configuration and ManagementVRRP interface managementThe Interfaces tab is used to manage VRRP interfaces created on theInterface Addres

IP routing configuration using the Java Device Manager 281AdminState Indicates the administrative status of thevirtual router.Priority Indicates the pr

282 IP Routing Configuration and ManagementBackupMasterState Indicates the state of the backup/masterfunctionality.FastAdvertisementEnabled Indicates i

IP routing configuration using the Java Device Manager 2834Using the provided fields, view and graph the VRRP statisticalinformation. The following tabl

284 IP Routing Configuration and ManagementTo view and graph general VRRP statistics, use the following procedure:Step Action1Select IP Routing > VR

IP routing configuration using the Java Device Manager 285ECMP configurationThe ECMP tab is used to configure and manage ECMP settings for RIP,OSPF, and

286 IP Routing Configuration and Management2Select Edit > Port from the Device Manager menu. The Port dialogopens with the Interface tab selected. S

IP routing configuration using the Java Device Manager 2872Select Edit > Port from the Device Manager menu. The Port dialogopens with the Interface

288 IP Routing Configuration and Management3Select a brouter port from these listed on the tab by clicking in therow.4Click Delete.—End—UDP broadcast f

IP routing configuration using the Java Device Manager 2894Using the provided fields, configure the new UDP protocol. Thesefields are outlined in the foll

IP routing 298. From this database each router calculates a shortest-path tree, withitself as root. This shortest-path tree in turn yields a routing t

290 IP Routing Configuration and ManagementInsert Forwardings dialog4Using the provided fields, configure the UDP forwarding. Thesefields are outlined in

IP routing configuration using the Java Device Manager 291UDP forwarding list configurationThe Forwarding Lists tab of the UDP Forward dialog is used to

292 IP Routing Configuration and Managementselected. Select the Forwarding Lists tab. This tab is illustratedabove.2Click Insert.3The Insert Forwarding

IP routing configuration using the Java Device Manager 2934Select an Id to delete.5Click Delete.—End—Configuring UDP broadcast interfacesThe Broadcast I

294 IP Routing Configuration and ManagementNumDropPktsDestUnreach The total number of UDP broadcastpackets dropped because the destinationwas unreachab

IP routing configuration using the Java Device Manager 295Insert Broadcast Interfaces dialog fieldsField DescriptionLocalIfAddr The IP address of the lo

296 IP Routing Configuration and ManagementDHCP RelayUse the DHCP relay tab to view and configure the DHCP settings for theswitch.To view the DHCP Relay

IP routing configuration using the Java Device Manager 2974Click Insert. The new DHCP entry displays on the DHCP Relayscreen.—End—To delete a DHCP entr

298 IP Routing Configuration and ManagementStep Action1From the Device Manager menu, select IP Routing > DHCP. TheDHCP window appears.2Select the DH

IP routing configuration using the Java Device Manager 299DHCP Snooping-port tab3Select a port.4 To change the status, double click the DhcpSnoopingIfT

reasonable means to determine Customer’s Software activation or usage levels. If suppliers of third party softwareincluded in Software require Nortel

30 An Introduction to IP Routing ProtocolsHost routes are managed with Nortel Networks Command Line Interface(NNCLI) commands and SNMP MIBs and are id

300 IP Routing Configuration and ManagementDHCP Bindings—End—The following table describes the fields in the DHCP Bindings window.Field DescriptionVlanI

IP routing configuration using the Java Device Manager 301IP Source Guard-port tab3To change the port mode, select a port.4Double click the mode box.5S

302 IP Routing Configuration and ManagementField DescriptionPort Specifies the IP Source Guard-enabled port number.Type Specifies the port type.Address S

IP routing configuration using the Java Device Manager 303Fields DescriptionMinSec Indicates the minimum number of seconds towait between receiving a D

304 IP Routing Configuration and ManagementNortel Ethernet Routing Switch 5500 SeriesConfiguration-IP Routing ProtocolsNN47200-503 03.01 Standard5.1 27

305Configuring IGMP snooping using theJava Device ManagerThis section describes the methods and procedures to configure andmanage IGMP snooping using th

306 Configuring IGMP snooping using the Java Device ManagerTIP: You can change the presentation order of the VLANs in the Snooptable. Click the column

Enabling IGMP Snooping for a VLAN 307Field DescriptionQuerierPort Displays the port on which the multicast querier routerwas heard.MRouterExpiration D

308 Configuring IGMP snooping using the Java Device ManagerNortel Ethernet Routing Switch 5500 SeriesConfiguration-IP Routing ProtocolsNN47200-503 03.01

309Configuring IGMP using Web-basedmanagementThis chapter describes the methods and procedures for the configurationand management of IGMP.Configuring IG

IP routing 31Creating Host RouteExample : 1R3(config)#router ospfR3(config-router)#host-route 11.11.11.111 metric 10R3(config-router)#show ip ospf hos

310 Configuring IGMP using Web-based managementIGMP: VLAN Configuration screen3In the fields provided in the IGMP VLAN Setting window, configureIGMP for t

Configuring IGMP using the Web-based Management Interface 311Field DescriptionProxy Select to enable or disable the Proxy feature.This feature lets the

312 Configuring IGMP using Web-based managementField DescriptionNote: This field affects only the VLAN specifiedin the page’s VLAN field.4Click Submit.—En

Displaying multicast membership using the Web-based Management Interface 313The membership information appears in the Multicast Group MembershipTable

314IndexAAccessing technical assistance 12An Introduction to IP Routing Protocols 13ARP 21ARP commands 64ARP configuration examples 120auto router ID 4

Index 315NNon-local static routes 23OOSPF 27OSPF commands 82OSPF configuration examples 134OSPF host route 29OSPF screens 228PPreface 9Proxy ARP 22Prox

316 IndexNortel Ethernet Routing Switch 5500 SeriesConfiguration-IP Routing ProtocolsNN47200-503 03.01 Standard5.1 27 August 2007Copyright © 2005-2007,

Nortel Ethernet Routing Switch 5500 SeriesConfiguration-IP Routing ProtocolsCopyright © 2005-2007 , Nortel NetworksAll Rights Reserved.Publication: NN4

32 An Introduction to IP Routing ProtocolsVirtual link diagramNote: Stub or NSSA areas cannot be transit areas.A virtual link can be created manually

IP routing 33In this case, R4 in Area2 cannot be physically connected to Area0 (for somereason) and it will be connected to R3 which is NOT a backbone

34 An Introduction to IP Routing ProtocolsOSPF Traps: DisabledAuto Virtual Link Creation: EnabledSPF Hold-Down Time: 10RFC 1583 Compatibility: Enabled

IP routing 35Router ID: 3.0.1.0Admin Status: EnabledVersion Number: 2Area Border Router Oper Status: TrueAS Boundary Router Config Status: FalseExtern

36 An Introduction to IP Routing ProtocolsRoute policies supports the following types of policies:• Accept (In) PoliciesAccept polices are applied to

IP routing 37To configure routing policies, create the appropriate prefix lists and thenassign those prefix lists to route maps. Once all route maps have

38 An Introduction to IP Routing ProtocolsEqual Cost MultiPath (ECMP)The Equal Cost MultiPath (ECMP) feature allows routers to determine equalcost pat

IP routing 39For each ingress interface and protocol, the UDP broadcast packets areforwarded only to a unicast host address (the unicast IP address of

40 An Introduction to IP Routing Protocols"DHCP operation" (page 40)Figure DHCP operation shows an end stationconnected to subnet 1, corresp

IP routing 41If a DHCP client is connected to a routable interface, to configure DHCPrequests to be sent to up to 512 different routable interfaces or

42 An Introduction to IP Routing ProtocolsAny of the Nortel Ethernet Routing Switch 5500 Series switch managementsystems can be used to set DHCP.DHCP

IP routing 43These commands must be executed in the Global Configuration commandmode.Interface DHCP relay configurations These configurations areassociat

44 An Introduction to IP Routing ProtocolsDHCP relay uses a hardware resource that is shared by switch Quality ofService applications. When DHCP relay

IP routing 45IP blockingIP Blocking is a Layer 3 feature of the Nortel Ethernet Routing Switch5500 Ser ies that provides built-in safeguards for the u

46 An Introduction to IP Routing Protocols— The stack will continue to run normally with the base unit controllingLayer 3 and DRP functionality.— If t

IGMP snooping 47"IP multicast propagation with IGMP routing" (page 47)shows how IGMPis used to set up the path between the client and server

48 An Introduction to IP Routing ProtocolsThe Nortel Ethernet Routing Switch 5500 Series can automatically set up IPMulticast filters so the IP Multica

IGMP snooping 495500 Series switch filtering IP multicast streams (2 of 2)The consolidated proxy report generated by the switch remains transparentto L

5Revision HistoryDate Revised Version Reason for revisionJuly 20051.00New document for Software Release 4.2.July 20062.00Document updated for Software

50 An Introduction to IP Routing Protocols•The snooping field must be enabled for the proxy field to have anyvalid meaning.•Static router ports are confi

51IP Routing Configuration andManagementThis chapter describes the configuration and management of IP routing inthe Nortel Ethernet Routing Switch 5500

52 IP Routing Configuration and ManagementOpen Shortest Path First (OSPF) initial configurationThis section contains the steps necessary for the initial

IP routing initial configuration 539Assign an IP address to VLAN 35.5530-24TFD(config-if)# ip address 1.1.2.25255.255.255.010Enable OSPF in VLAN 35.553

54 IP Routing Configuration and Management3Log into the OSPF router configuration mode.5530-24TFD(config)# router ospf4Enable ASBR functionality.5530-24

IP routing configuration using the CLI 55This command tells the router to use up to two paths to get to anyOSPF network destination.4The configuration c

56 IP Routing Configuration and Managementip blocking-mode parametersParameter Descriptionfull Select this parameter to set IP blocking to full. Thisne

IP routing configuration using the CLI 57ip address parametersParameter Description<A.B.C.D> The IP address to attach to the VLAN.<W.X.Y.Z>

58 IP Routing Configuration and Managementip address <ip address> <mask> [<mac offset>] secondary—End—Example Adding secondary IP int

IP routing configuration using the CLI 59The syntax for the show vlan ip command is:show vlan ip [vid <1 - 4094>]Substitute <1 - 4094> abov

6 Revision HistoryNortel Ethernet Routing Switch 5500 SeriesConfiguration-IP Routing ProtocolsNN47200-503 03.01 Standard5.1 27 August 2007Copyright © 2

60 IP Routing Configuration and Management10.3.2.0 255.255.255.0 10.3.2.199 1 1----CDB0Total Routes: 3TYPE Legend: I=Indirect Route, D=Direct Route, A=

IP routing configuration using the CLI 61ip route parametersParameter Description<A.B.C.D> Enter IP address of the destination point of the route

62 IP Routing Configuration and Managementip route enable parametersParameter Description<A.B.C.D> Enter IP address of the destination point of t

IP routing configuration using the CLI 63traceroute <Hostname|A.B.C.D.|ip> <-m> <-p> <-q> <-v> <-w><1-1464>Th

64 IP Routing Configuration and ManagementParameter Description<O.P.Q.R> Enter the IP address of the next hop of the routebeing modified.<1 - 6

IP routing configuration using the CLI 65The show ip arp command is executed in the Global Configurationcommand mode.show ip arp static commandThe show

66 IP Routing Configuration and Managementno ip arp commandThe no ip arp command removes an ARP entry.The syntax for the no ip arp command is:no ip arp

IP routing configuration using the CLI 67no ip arp-proxy [enable]The no ip arp-proxy command is executed in the Layer 3 IP VLANInterface Configuration m

68 IP Routing Configuration and Managementrouter rip commandThe router rip command is used to enter the Router Configurationmode for RIP. Router Configur

IP routing configuration using the CLI 69The timers basic holddown command is executed in the RouterConfiguration mode.timers basic timeout commandThe t

7ContentsPreface 9Nortel Ether net Routing Switch 5500 Series 9Related publications 10Finding the latest updates on the Nortel web site 11How to get h

70 IP Routing Configuration and Managementno ip rip advertise-when-down commandThe ip rip advertise-when-down command is used to disable RIPadvertiseme

IP routing configuration using the CLI 71The ip rip cost command is executed in the Interface Configurationmode.ip rip default-listen commandThe ip rip

72 IP Routing Configuration and Managementip rip holddown commandThe ip rip holddown command is used to set the value of the holddowntimer on the RIP i

IP routing configuration using the CLI 73ip rip listen {enable}The ip rip listen command is executed in the Interface Configurationmode.no ip rip listen

74 IP Routing Configuration and Managementip rip poison {enable}The ip rip poison command is executed in the Interface Configurationmode.no ip rip poiso

IP routing configuration using the CLI 75The <rip_version> parameter indicates the RIP version. The validvalues for this parameter are:•rip1•rip1

76 IP Routing Configuration and ManagementThe no ip rip supply command is executed in the InterfaceConfiguration mode.ip rip timeout commandThe ip rip t

IP routing configuration using the CLI 77Use the interface key word to display RIP statistics by interface. Omission ofthis key word displays general R

78 IP Routing Configuration and Managementdefault timers basic update commandThe default timers basic update command is used to return theswitch to the

IP routing configuration using the CLI 79default ip rip cost commandThe default ip rip cost command is used to restore the default RIPcosting settings

8 ContentsStatic route commands 59Address Resolution Protocol (ARP) commands 64Proxy ARP commands 66Routing Information Protocol (RIP) commands 67Open

80 IP Routing Configuration and Managementdefault ip rip holddown commandThe default ip rip holddown command is used to restore the defaultRIP holddown

IP routing configuration using the CLI 81default ip rip poison enableThe default ip rip poison command is executed in the InterfaceConfiguration mode.de

82 IP Routing Configuration and Managementdefault ip rip timeout commandThe default ip rip timeout command is used to restore the defaultRIP timeout se

IP routing configuration using the CLI 83The ip ospf apply accept command is executed in the GlobalConfiguration mode.ip ospf apply redistribute direct

84 IP Routing Configuration and Managementrouter ospf enable commandThe router ospf enable command is used to enable OSPF globallyon the switch.The syn

IP routing configuration using the CLI 85accept adv-rtr <router_ip_address> [enable] [metric-type {any| type1 | type2}] [route-policy {policy_nam

86 IP Routing Configuration and Management[advertise-mode {no-summarize | summarize | suppress}][advertise-metric {0-65535}]]The following table outlin

IP routing configuration using the CLI 87no area parametersParameter Descriptionip_address Specifies the Area ID expressed as IP address (A.B.C.D).impor

88 IP Routing Configuration and ManagementThe <metric_value> parameter represents the cost value to assign tothe port. This value is an integer b

IP routing configuration using the CLI 89host-route commandUse the host-route command to add a host to a router. For moreinformation about host routes,

9PrefaceThis document provides information and instructions on the configurationof IP Routing on the 5500 Series Nortel Ethernet Routing Switch. Consul

90 IP Routing Configuration and Managementno network <ip_address>The <ip_address> parameter represents the IP address of the interface tobe

IP routing configuration using the CLI 91no redistribute parametersParameters Description<route_type>The type of route to be configured. Valid opt

92 IP Routing Configuration and ManagementThe syntax of the no router-id command is:no router-idThe no router-id command is executed in the Router Confi

IP routing configuration using the CLI 93area virtual-link parametersParameter Description<A.B.C.D.> Specifies the transit area ID expressed as an

94 IP Routing Configuration and Managementno area virtual-link <A.B.C.D.> <W.X.Y.Z> [authentication-key]no area virtual-link command parame

IP routing configuration using the CLI 95no area virtual-link message-digest-key <A.B.C.D.> <W.X.Y.Z><1-255>no area virtual-link mess

96 IP Routing Configuration and Managementip ospf area commandThe ip ospf area command is used to assign an interface to an OSPFarea.The syntax of the

IP routing configuration using the CLI 97The ip ospf cost command is executed in the Interface Configurationmode.ip ospf dead-interval commandThe ip osp

98 IP Routing Configuration and Managementip ospf network {broadcast | passive}The ip ospf network command is executed in the InterfaceConfiguration mod

IP routing configuration using the CLI 99ip ospf transmit-delay commandThe ip ospf transmit-delay command is used to define the transmitdelay for this O