Cisco Router IOS XR Manuale Utente Scaricare il pdf (Pagina 76)

Cisco IOS XR Training Page 76

Now, lets check our interfaces and check for a neighbor.

RP/0/7/CPU0:R1#sh mpls ldp int

Sun Apr 1 19:04:23.402 UTC

Interface GigabitEthernet0/3/0/2 (0x4000500)

Enabled via config: IGP Auto-config

Interface GigabitEthernet0/3/0/3.100 (0x4000700)

Disabled

Yup, we see it’s enabled on g0/3/0/2 via IGP Auto-config. Nice!

Now, let’s check for a neighbor

RP/0/7/CPU0:R1#sh mpls ldp neighbor

Sun Apr 1 19:04:27.582 UTC

Peer LDP Identifier: 2.2.2.2:0

TCP connection: 2.2.2.2:35051 - 1.1.1.1:646

Graceful Restart: No

Session Holdtime: 180 sec

State: Oper; Msgs sent/rcvd: 13/24; Downstream-Unsolicited

Up time: 00:05:57

LDP Discovery Sources:

GigabitEthernet0/3/0/2

Addresses bound to this peer:

2.2.2.2 150.1.12.2 200.100.200.100 200.200.200.200

200.200.200.201 200.200.200.202 200.200.200.203 200.200.200.204

200.200.200.205 200.200.200.206 200.200.200.207 200.200.200.208

200.200.200.209 200.200.200.210

RP/0/7/CPU0:R1#

There you can see we have LDP neighbor with router-id 2.2.2.2 (R2) on

G0/3/0/2. You can also see the ports we are using for this communication.

Our local port is 646 and the remote port is 35051.

LDP Authentication

Ok, now onto neighbor password for LDP (both directed and all)

Lets configure a password for our neighbor, 2.2.2.2, of cisco

RP/0/7/CPU0:R1#conf t

Sun Apr 1 19:39:35.480 UTC

This is done under the LDP section

RP/0/7/CPU0:R1(config)#mpls ldp

RP/0/7/CPU0:R1(config-ldp)#nei 2.2.2.2 password cisco

RP/0/7/CPU0:R1(config-ldp)#comm

Sun Apr 1 19:40:04.498 UTC

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Cisco Router IOS XR Manuale Utente Pagina 76