RE: [nsp] MPLS over dot1 trunk question

From: Scott.Keoseyan@BroadWing.com
Date: Mon Mar 12 2001 - 08:41:08 EST


Can you do an extended ping with FastEthernet0/0.77 as the source? The
switch may be using an admin interface as the source or something else.

Good luck...

Scott

-----Original Message-----
From: Dmitri Kalintsev [mailto:dek@hades.uz]
Sent: Friday, March 09, 2001 1:03 AM
To: cisco-nsp@puck.nether.net
Subject: [nsp] MPLS over dot1 trunk question

Hi guys, me again. :) Here comes take two of my odissey. :)

PE:
!
ip vrf vpn5000test
 rd 10.0.0.0:1
 route-target export 10.0.0.0:1
 route-target import 10.0.0.0:1
!
!
!
interface FastEthernet0/0.77
 encapsulation dot1Q 77
 ip vrf forwarding vpn5000test
 ip address 10.1.1.2 255.255.255.252
 no ip directed-broadcast
!

CE is connected to Cat2948 switch and si sitting in VLAN77. If I take away
"ip vrf forwarding ..." from f0/0.77 config, I can ping 10.1.1.1, if it is
in there, ping vrf vpn5000test 10.1.1.1 comes up with dots. Although, switch
seems to see ARP packets coming from PE's subinterface in VLAN 77 into
switch - I've cleared up cam dynamic on switch and after I run ping vrf,
switch gets a MAC records in vlan 77 on both ports, on PE and CE. So I would
guess that CE sees these packets and replies, but they somehow don't make it
to IP stack.

Where I am wrong?

Thanks,

--
D.K.



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