Cisco Router IOS XR Manuale Utente Scaricare il pdf (Pagina 85)

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Cool, we have a Level2 route to 150.1.1.1 via R1. Now, lets PING to make

sure.

RP/0/RSP0/CPU0:R2#ping 150.1.1.1 so l0

Fri Apr 20 01:11:26.132 UTC

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 150.1.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

RP/0/RSP0/CPU0:R2#

Connectivity is working, cool!

Next up, LDP.

First up PE1:

RP/0/RSP0/CPU0:R1(config)#mpls ldp

Like all other IOS XR commands, you assign the interfaces under the protocol.

RP/0/RSP0/CPU0:R1(config-ldp)#int g0/1/0/11

RP/0/RSP0/CPU0:R1(config-ldp-if)#comm

Fri Apr 20 01:18:00.216 UTC

RP/0/RSP0/CPU0:R1(config-ldp-if)#

Ok, PE2

RP/0/RSP0/CPU0:R2(config)#mpls ldp

RP/0/RSP0/CPU0:R2(config-ldp)#int g0/1/0/11

RP/0/RSP0/CPU0:R2(config-ldp-if)#comm

Fri Apr 20 01:18:08.116 UTC

Now lets check our LDP neighbors:

RP/0/RSP0/CPU0:R2#sh mpls ldp neighbor

Fri Apr 20 01:21:21.957 UTC

Peer LDP Identifier: 150.1.1.1:0

TCP connection: 150.1.1.1:646 - 150.2.2.2:43857

Graceful Restart: No

Session Holdtime: 180 sec

State: Oper; Msgs sent/rcvd: 12/10; Downstream-Unsolicited

Up time: 00:00:26

LDP Discovery Sources:

GigabitEthernet0/1/0/11

Addresses bound to this peer:

150.1.1.1 150.1.12.1

RP/0/RSP0/CPU0:R2#

Cool, we have a LDP session with PE1 and we can see the IPs bound to the

peer.

We are getting there, we still have BGP, VRF, and the OSPF configuration to

do yet. We will save the BGP part until last – so for now, VRF time.

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Cisco Router IOS XR Manuale Utente Pagina 85