Nortel Networks NN47200-503 specification

Contents

Conﬁguration-IP Routing Protocols Restricted rights legend General Page Date Revised Version Reason for revision Revision History Revision History Contents Index 314 Preface Series Switch Platforms Series Switch Model Key Features Related publications Nortel Ethernet Routing Switch 5500 Series Documentation Finding the latest updates on the Nortel web site How to get help IP addressing An Introduction to IP Routing Protocols Network and host boundaries in IP address classes Subnet addressing IP routing IP routing with VLANs IP routing using VLANs Multinetting Network with Multinetting Proxy ARP UDP broadcast Brouter port Setting IP routing Layer 2 versus Layer 3 modeManagement Vlan Routing and management End Address Resolution Protocol ARPStep Action Proxy ARP Operation Proxy Address Resolution Protocol Proxy ARPStatic routes RIP operation Non-local static routesRouting Information Protocol RIP An Introduction to IP Routing Protocols RIP hop counts RIP metrics RIP Send and Receive Modes RIP send and receive modes Send Mode Description ResultReceive Result Mode Overview LimitationsOpen Shortest Path First Ospf protocol Ospf routing algorithm Beneﬁts Ospf router types Router Type Description Ospf router typesOspf host route Host route in LSA Ospf Enhancements Following is an example for deleting a host route R3config-router#Ospf virtual link Consider the following situation Virtual link diagramExample Conﬁguration Creating auto virtual link R1 config-router#auto-vlink R3config#show ip ospf R1 config-router#no auto-vlinkFollowing is an example for deleting an auto virtual link Deleting auto virtual link Route policies Announce Out Policies Accept In PoliciesRedistribution Policies Preﬁx Lists Virtual Router Redundancy Protocol Vrrp UDP broadcast forwarding Equal Cost MultiPath Ecmp Summary of Dhcp relay operation Differences between Dhcp and BootP Forwarding Dhcp packets Multiple BootP-DHCP serversDhcp operation Forwarding Dhcp packets To set DHCP, take the following steps Setting DhcpMultiple BootP/DHCP servers Dhcp relay Global Dhcp relay commands Command Description Dhcp relay forward path commands Command Description Interface Dhcp relay commands Command Description Automatic router ID change Avoiding duplicate IP addresses IP blocking Igmp snooping IP multicast propagation with Igmp routing Series switch ﬁltering IP multicast streams 1 , 5500 Series switch ﬁltering IP multicast streams 1 of 2 Igmp snooping conﬁguration rules Series switch ﬁltering IP multicast streams 2 An Introduction to IP Routing Protocols Global IP routing conﬁguration IP Routing Conﬁguration and Management Basic Ospf conﬁguration Open Shortest Path First Ospf initial conﬁguration Return to Global Conﬁguration mode Enable Ospf in VlanBasic Asbr conﬁguration Assign an IP address to Vlan Conﬁguring Ecmp for Ospf Log into the Ospf router conﬁguration modeEnable Asbr functionality Ip routing command IP conﬁguration commandsNo ip routing command Ip blocking-mode command Ip address command Interface vlan commandLayer 3 routable VLANs Interface vlan 1 Adding secondary IP interfaces Step Action No ip address commandDeﬁne a secondary IP interface on the Vlan No ip address A.B.C.D W.X.Y.Z Remove the primary IP interface from the Vlan Show vlan ip commandShow vlan ip command shows routable Vlan conﬁgurations Show ip route static command Static route commandsShow ip route command Syntax for the show vlan ip command is Ip route command Show ip route summary commandShow ip route summary Ip route A.B.C.D W.X.Y.Z O.P.Q.R Ip route enable command No ip route 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.R Traceroute command Ip route disable commandIp route enable parameters Parameter Description Ip route A.B.C.D W.X.Y.Z O.P.Q.R disable Ip route weight command Show arp command Address Resolution Protocol ARP commandsShow ip arp command Show arp-table A.B.C.D Ip arp command Show ip arp static commandShow ip arp static Ip arp A.B.C.D aabbccddeeff unit / port vid Ip arp timeout command No ip arp commandProxy ARP commands Ip arp-proxy command Show ip arp-proxy interface command Default ip arp-proxy commandRouting Information Protocol RIP commands Router rip enable command Network command Router rip commandNo network command Timers basic holddown command Ip rip advertise-when-down command Timers basic timeout commandTimers basic update command Ip rip auto-aggregation command No ip rip advertise-when-down commandNo ip rip auto-aggregation command Ip rip cost command No ip rip default-listen command Ip rip default-listen commandIp rip default-supply command No ip rip default-supply command Ip rip in-policy command Ip rip holddown commandNo ip rip in-policy command Ip rip listen command Ip rip out-policy command No ip rip listen commandNo ip rip out-policy command Ip rip poison command Ip rip proxy-announce command No ip rip poison commandNo ip rip proxy-announce command Ip rip receive command No ip rip supply command Ip rip send commandIp rip supply command Ip rip triggered command Ip rip timeout commandNo ip rip triggered command Show ip rip command Default default-metric command Default router rip commandDefault timers basic holddown command Default timers basic timeout command Default-metric command Default timers basic update commandDefault ip rip advertise-when-down command Default ip rip auto-aggregation command Default ip rip default-listen command Default ip rip cost commandDefault ip rip default-supply command Default ip rip enable command Default ip rip in-policy command Default ip rip holddown commandDefault ip rip listen command Default ip rip out-policy command Default ip rip receive command Default ip rip proxy-announce commandDefault ip rip send command Default ip rip supply command Default ip rip triggered command Default ip rip timeout commandOpen Shortest Path First Ospf commands Ip ospf apply accept command Ip ospf apply redistribute rip command Ip ospf apply redistribute direct commandIp ospf apply redistribute static command Ip ospf spf-run command No router ospf enable command Router ospf enable commandRouter ospf command Default router ospf command Area command No accept adv-rtr commandNo accept adv-rtr routeripaddress enable Accept adv-rtr parameters Parameter Description Area parameters No area commandArea command is executed in the Router Conﬁguration mode No as-boundary-router command As-boundary-router commandDefault-cost ethernet command No area command is executed in the Router Conﬁguration mode Default-cost ten-gig-ethernet command Default-cost fast-ethernet commandDefault-cost gig-ethernet command Following table describes the parameters of this command Host-route commandNo host-route command No redistribute command Redistribute commandParameters for this command are listed below Redistribute routetype enable route-policy policyname No rfc1583-compatibility command Rfc1583-compatibility commandRouter-id command No router-id command Area virtual-link command Trap commandNo trap command Word No area virtual-link command No area virtual-link A.B.C.D. W.X.Y.Z authentication- key Area virtual-link message-digest-key commandNo area virtual-link message-digest-key command Ip ospf advertise-when-down command Auto-vlink commandNo auto-vlink command Ip ospf authentication-key command Ip ospf area commandIp ospf authentication-type command Ip ospf cost command Ip ospf hello-interval command Ip ospf dead-interval commandIp ospf mtu-ignore command Ip ospf network command Ip ospf retransmit-interval command Ip ospf primary-md5-key commandIp ospf priority command Ip ospf message-digest-key command Ip ospf transmit-delay commandOspf show commands Syntax of the ip ospf message-digest-keycommand is Clear ip ospf counters command Command Description Route policy commands Clear ip ospf counters commandIp preﬁx-list command Clear ip ospf counters Route-map parameters Field Description Route-map commandIp preﬁx-list parameters Parameter Description Ip rip out-policy rmapname Ip rip in-policy rmapname Router vrrp enable command Virtual Router Redundancy Protocol Vrrp commandsNo router vrrp enable command Router vrrp command Send-trap enable command No ping-virtual-address enable commandNo send-trap enable command Ip vrrp address command Ip vrrp adver-int command No ip vrrp address commandIp vrrp action command No ip vrrp backup-master command Ip vrrp backup-master commandIp vrrp critical-ip command No ip vrrp critical-ip command Ip vrrp enable command Ip vrrp critical-ip-addr commandNo ip vrrp enable command Ip vrrp fast-adv command Ip vrrp holddown-timer command No ip vrrp fast-adv commandIp vrrp fast-adv-int command Show ip vrrp command Ip vrrp priority commandEqual Cost MultiPath Ecmp commands Rip maximum-path command Show ecmp command Ospf maximum-path commandMaximum-path command Brouter command Brouter port commandsNo brouter command No brouter port brouterport routing enable UDP broadcast forwarding commands Show brouter commandIp forward-protocol udp command Show brouter command is executed in the User Exec mode Ip forward-iprotocol udp command interface mode Clear ip forward-protocol udp counters commandWhere the parameter 1-4094 speciﬁes the Vlan ID Clear ip forward-protocol udp counters Ip dhcp-relay command Dhcp relay commandsNo ip dhcp-relay command To set DHCP, perform the following procedure Show ip dhcp-relay fwd-path command Show ip dhcp-relay counters commandIp dhcp-relay fwd-path command Syntax for the show ip dhcp-relayfwd-pathcommand is Ip dhcp-relay fwd-path disable command Ip dhcp-relay fwd-path enable commandSyntax for the ip dhcp-relayfwd-path enable command is Dhcp feature is enabled by default Show vlan dhcp-relay command No ip dhcp-relay fwd-path commandDhcp relay feature is enabled by default No ip dhcp-relay fwd-path A.B.C.D O.P.Q.R Ip dhcp-relay parameters Parameter Description Ip dhcp-relay broadcast commandIp dhcp-relay min-sec 0-65535 mode bootp dhcp bootpdhcp Address Resolution Protocol ARP conﬁguration No ip dhcp-relay broadcast commandSyntax for the no ip dhcp-relay broadcast command is Ip dhcp-relay broadcast This section contains the following topics Changing the default ARP aging timeAdding a static ARP entry to a Vlan Deleting a static ARP entry Adding a static ARP entry to a brouter portRouting Information Protocol RIP conﬁguration RIP conﬁguration tasks Disable Supply RIP Updates, if required Enable RIPDisable Listen for RIP Updates, if required Conﬁgure the interface, assign an IP address and add ports 10 Conﬁgure send mode parameters Enable Triggered Updates, if required11 Conﬁgure receive mode parameters Enable poison reverse RIP conﬁguration example Conﬁguring RIP Assign the IP address 10.1.30.2/24 to Vlan Assign the IP address 10.1.20.2/24 to Vlan 5530-24TFDconfig-if#ip rip listen disable Enable RIP on the interfaceEnable IP routing and RIP globally Conﬁguring RIP version RIPv2 conﬁguration example Using RIP accept policies Accept policy conﬁguration Add the route policy created in to both RIP core ports Using RIP announce policies Conﬁgure the IP preﬁx list named Preﬁx2 with the IP address Open Shortest Path First Ospf conﬁguration 5530-24TFDconfig# route-map rippol2 1 match network Prefix2Conﬁguring an IP Ospf interface Ospf interface example topology Ospf security IP Routing Conﬁguration and Management Conﬁgure MD5 authentication on R2 Conﬁgure MD5 authentication on R1Conﬁguring Ospf network types MD5 conﬁguration example Ospf network example Conﬁguring Ospf areas Ospf normal area 5530-24TFDconfig-router# as-boundary-router enable Ospf stub area Ospf stub area example Enable Ospf on R1 End Nssa conﬁguration example Enable RIP globally and conﬁgure the RIP version 2 interface Apply the RipDist route policy to RIP Out Policy ABR conﬁguration example Conﬁguring Area Border Routers ABR End 0.2 172.3.0.0/16 Summary Link Summarize 100 Conﬁguring Autonomous System Border Routers AsbrArea ID Range Subnet/Mask Range Type Asbr distribution example Conﬁgure the RIP interface for RIP version 2 mode only 5530-24TFDconfig# ip prefix-list default 0.0.0.0/0 Controlling Nssa external route advertisements External route advertisement example Enable Ospf Apply route policy to RIP Out Policy Multi-area complex example Conﬁguring a multi-area complex IP 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 STP Phase R3 conﬁguration commands IP 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 ip ospf Router R1 Status show vlanShow vlan ip Show ip ospf neighbor Show ip ospf area Router R2 Status show vlan Show ip route 100 10100 10.1.1.17 255.255.255.252 IfIndex Address Mask MacAddress10001 203.203.100.53 255.255.255.0 Show ip ospf interface Router R3 Status Show vlan Show ip rip interface Show ip rip Show ip ospf redistribute Show route-map detail172.1.1.1 203.203.100.52 IP Address Holddown Type Allow True IP 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 Port Members 1000 Vlan #1000 Port None 0x0000 Yes Yes Port Members 100 Vlan #100 Port None 0x0000 IP routing conﬁguration examples Diagnosing neighbor state problems Accessed by using the show ip ospf neighbor command Virtual Router Redundancy Protocol Vrrp conﬁguration Vrrp example topology Conﬁguring normal Vrrp operation Conﬁgure an Ospf interface for Vlan Conﬁgure Vlan 2 on router R1 Create Vlan 2 on router R1Conﬁgure the ports for Vlan 2 on R1 Conﬁgure Vlan 2 on router R2 Create Vlan 2 on router R2 Conﬁgure the ports for Vlan 3 on R1 Conﬁgure Vlan 3 on router R2 Conﬁgure the ports for Vlan 2 on R2 End Vlan Conﬁguration for Router R2 Conﬁguring Vrrp with Smlt Conﬁgure the IST Vlan on R1 Conﬁgure IST Vlan 3999 on R1 5530-24TFD# config terminal 5530-24TFDconfig# interface mltConﬁgure IST MLT on R1 Conﬁgure the IST and add the IST to Vlan 5530-24TFDconfig-if# ist enable peer-ip 2.1.1.2 vlan Enable Ospf interface on Vlan 2 of R1Create IP address for Vlan Create Smlt on R1 Conﬁgure IST MLT on R2 Enable Ospf interface for Vlan 2 on R2Conﬁgure an IST peer for R2 and add the IST to Vlan Create an IP address for Vlan Conﬁgure Vrrp VIP address for Vlan 2 on R2 Conﬁguration for R2 Vrrp with SLT conﬁguration Mlt spanning-tree 2 stp all learning disableConﬁguring Vrrp with SLT Conﬁguration for R2 Ecmpindex = R2 % ecmpcount + R1 = CRC32 SIP, DIPR2 = R1 & 0x1FThe Least Signiﬁcant 5 bits are selected Ecmp conﬁguration example 5530-24TFDconfig#ospf maximum-pathDisplaying the IP routing table 5530-24TFD# show ecmp Protocol MAX-PATH Static1 Rip2 Ospf4 Displaying global Ecmp conﬁguration IP dialog Globals tab Creating a Layer 3 routable Vlan IP Vlan screen Following table describes the IP Address tab ﬁeldsIP Address tab ﬁelds Field Description Insert IP Address screen Globals tab IP routingClick Insert IP screen Addresses tab Addresses tabGlobals tab ﬁelds Field Description IP dialog- Routes tab Routes tabAddresses tab ﬁelds Field Description Routes tab ﬁelds Field Description Filtering route information Filter dialog ﬁelds Field Description Click Filter Static Routes tabTab will now be ﬁltered on the criteria speciﬁed Static Routes tab Insert Static Route ﬁelds ARP tabField Description ARP tab Click Insert. The ARP tab is displayed with the new entry ARP Interfaces tabInsert ARP Entry screen Insert ARP Entry ﬁelds Field Description IP screen ARP Interfaces tab ARP Inspection Vlan tabARP Interfaces tab ﬁelds Field Description ARP Inspection-VLAN tab ARP Inspection-port tab ARP Inspection port tab TCP tab ﬁelds Field Description TCP tabTCP tab UDP Listeners tab TCP Connections tabTCP Connections tab TCP Connections tab ﬁelds Field Description UDP Listeners tab ﬁelds Field Description Ecmp tabUDP Listeners tab Ecmp tab ﬁelds Field Description Global RIP conﬁgurationIP dialog Ecmp tab RIP dialog Globals tab Interface tab ﬁelds Field Description RIP interface conﬁgurationRIP dialog Interface tab Interface Advance tab ﬁelds Field Description Advanced RIP interface conﬁgurationRIP dialog Interface Advance tab Stats tab RIP Statistics RIP Stats Graph dialog Vlan RIP conﬁgurationStats tab ﬁelds Field Description RIP tab ﬁelds Field Description IP Vlan screen RIP tab General tab ﬁelds Field Description Global Ospf conﬁgurationOspf dialog General tab Field Description Ospf dialog Areas tab Ospf area conﬁguration Areas tab ﬁelds Field Description Ospf area creation To delete an Ospf area, use the following procedureOspf area deletion Deleting an Ospf area Stub Area Metrics tab ﬁelds Stub Area Metrics conﬁgurationOspf dialog Stub Area Metrics tab Interfaces tab ﬁelds Field Description Interface conﬁgurationOspf dialog Interfaces tab Field Description Ospf dialog If Metrics tab Interface Metric conﬁguration Ospf dialog Neighbors tab Neighbor informationIf Metrics tab ﬁelds Field Description Neighbor tab ﬁelds Field Description Click Refresh to update the informationVirtual interface information Virtual Interface ﬁelds Field Description Virtual If tab Creating an Ospf virtual interface Step Action Virtual interface creation Enter the information in the ﬁelds on the Virtual If window Click Insert. The OSPF, Insert Virtual If dialog opensVirtual interface tab Insert virtual interface dialog Automatic Virtual Link creation Virtual interface deletionDeleting an Ospf virtual interface Step Action Creating an automatic Virtual Link Step Action Deselect the AutoVirtLinkEnable box Check the AutoVirtLinkEnable boxAutomatic Virtual Link Deletion Virtual neighbors information Virtual Neighbors tab ﬁelds Field Description Virtual Neighbors tab Ospf Hosts information To create an Ospf host, use the following procedureOspf Host creation Hosts tab Ospf Host deletion To delete an Ospf host, use the following procedureCreating an Ospf host Step Action Deleting an Ospf host Step Action Link State Database ﬁelds Field Description Link State Database informationOspf dialog Link State Database tab Ext. Link State Database ﬁelds Field External Link State Database informationOspf dialog Ext. Link State Database tab Area Aggregate conﬁguration Area Aggregate tab ﬁelds Field Description Ospf dialog Area Aggregate tab Area Aggregate creation To create a new Ospf area aggregate, follow this procedureInsert Area Aggregate dialog Insert Area Aggregate dialog ﬁelds Field Description Deleting an Ospf area aggregate Step Action Area Aggregate deletionOspf redistribution conﬁguration Redistribution creation To create a new redistribution entry, follow this procedureOspf dialog Redistribute tab Redistribute tab ﬁelds Field Description Insert Redistribute dialog ﬁelds Field Description Redistribution deletionInsert Redistribute dialog Deleting a redistribution entry Step Action Message Digest informationOspf dialog Message Digest tab Message Digest tab ﬁelds Field Description Message Digest creation Click Refresh to update the displayed informationInsert Message Digest dialog Insert Message Digest dialog ﬁelds Field Description Virtual If Message Digest information Message Digest deletionDeleting an Ospf message digest entry Step Action Virtual If Message Digest tab Virtual If Message Digest ﬁelds Field Description Virtual If Message Digest creationCreating a Virtual If Message Digest entry Step Action Ospf statistics Virtual If Message Digest deletionEnter the information in the ﬁelds provided Click Insert Deleting a Virtual If Message Digest entry Step Action Ospf Ospf dialog Stats tab Vlan Ospf statistics Ospf Stats tab ﬁelds Field Description Ospf Stats tab Preﬁx List conﬁguration Preﬁx List creation To create a new preﬁx list, follow this procedurePolicy dialog Preﬁx List tab Preﬁx List tab ﬁelds Field Description Preﬁx List deletion To delete a preﬁx list, use the following procedureDeleting a Preﬁx List Step Action Insert Preﬁx List dialog Route Policy tab ﬁelds Field Description Route Policy conﬁgurationPolicy dialog Route Policy tab IP Routing Conﬁguration and Management Route Policy creation To create a new route policy, follow this procedure Insert Route Policy ﬁelds Field Description Insert Route Policy dialog IP routing conﬁguration using the Java Device Manager Deleting a route policy Step Action To delete a route policy, use the following procedureRoute policy deletion Ospf Accept Policy conﬁguration Applying Ospf policiesPolicy dialog Applying Policy tab Applying Policy tab ﬁelds Field Description Ospf Accept Policy creation To create a new Ospf accept policy, follow this procedurePolicy dialog Ospf Accept tab Ospf Accept tab ﬁelds Field Description Deleting an Ospf accept policy Step Action Ospf Accept Policy deletionInsert Ospf Accept dialog Insert Ospf Accept ﬁelds Field Description RIP In/Out Policy tab ﬁelds Field Description RIP In and Out Policy conﬁgurationPolicy dialog RIP In/Out Policy tab Vrrp dialog Globals tab Global Vrrp conﬁguration Vrrp dialog Interface Address tab Vrrp interface creation Vrrp Interface deletion To delete a Vrrp interface, use the following procedureDeleting a Vrrp interface Step Action Insert Interface Address dialog Vrrp dialog Interfaces tab Vrrp interface management IP routing conﬁguration using the Java Device Manager Vrrp Stats dialog Graphing Vrrp interface information Type ﬁeld Viewing general Vrrp statisticsVrrp Stats ﬁelds Field Description Vrrp dialog Stats tab Select a port on the Device Manager Front Panel view Ecmp conﬁgurationConﬁguration and management of Brouter ports Port dialog IP Address tab To create a new brouter port, use the following procedureCreating a Brouter port Deleting a Brouter port To delete a brouter port, use the following procedureInsert IP Address dialog Insert IP Address dialog ﬁelds Field Description Insert Protocols dialog UDP protocol conﬁgurationUDP Forward dialog Protocols tab UDP Forward dialog Forwardings tab UDP forwarding conﬁgurationInsert Protocols dialog ﬁelds Field Description Deleting a UDP forwarding Step Action UDP forwarding deletionInsert Forwardings dialog Insert Forwardings dialog ﬁelds Field Description UDP forwarding list creation UDP forwarding list conﬁgurationUDP Forward dialog Forwarding Lists tab Forwarding Lists tab ﬁelds Field Description Deleting a UDP forwarding list Step Action UDP forwarding list deletionSelect the Forwarding Lists tab Insert Forwarding Lists dialog Select an Id to delete Click Delete Conﬁguring UDP broadcast interfacesUDP Forward dialog Broadcast Interfaces tab Broadcast Interface tab ﬁelds Field Description Insert Broadcast Interfaces dialog UDP broadcast interface creation Deleting a UDP broadcast interface UDP broadcast interface deletionDhcp conﬁguration Insert Broadcast Interfaces dialog ﬁelds Field Description Creating a Dhcp entry Step Action To conﬁgure a Dhcp entry, use the following procedureDhcp Relay tab Insert Dhcp Relay To enable Dhcp Snooping, use the following procedure To delete a Dhcp entry, use the following procedureDhcp Snooping Dhcp Snooping Vlan Dhcp Snooping-VLAN tab Dhcp Snooping port Dhcp Snooping-port tab Dhcp bindings Dhcp Bindings IP Source Guard port IP Source Guard-addresses tab IP Source Guard addressesIP Source Guard-port tab Following table describes the Dhcp tab ﬁelds Vlan Dhcp conﬁgurationDhcp tab ﬁelds Dhcp tab ﬁelds Fields Description Fields Description Make changes as necessary in the ﬁelds provided Click Apply IP Routing Conﬁguration and Management Vlan Snoop tab Conﬁguring Igmp snooping using the Java Device Manager Vlan Snoop tab ﬁelds Field Description Enabling Igmp Snooping for a Vlan 308 Conﬁguring Igmp snooping using the Java Device Manager Igmp Conﬁguration screen Conﬁguring Igmp using Web-based management Igmp Vlan Conﬁguration screen Igmp Vlan Setting ﬁelds Field Description Conﬁguring Igmp using the Web-based Management Interface Igmp Multicast Group Membership window Vlan Conﬁguration screen reopens and the settings are savedClick Submit Multicast Group Index Ospf Non-local static routes Index Page Conﬁguration-IP Routing Protocols

Nortel Networks NN47200-503 manual

Models: NN47200-503