Re: L3 VPN MPLS

From: Eric Leung (eric.lwc@gmail.com)
Date: Wed May 07 2008 - 08:58:32 ART


Hi Angelo,

Can you do a "show mpls forwarding-table" on both R1 and R3?

Eric.

2008/5/7 Angelo De Guzman <a.deguzman@ph.fujitsu.com>:

> Hi Group,
> My set-up.
>
> R5(CE) --(192.168.1.0/30)-- <http://192.168.1.0/30%29--> R1(PE) --(
> 172.16.13.0/30)-- <http://172.16.13.0/30%29--> R3(P) --(172.16.23.
> 0/30)-- R2(PE) --(192.168.100.0/30)-- <http://192.168.100.0/30%29-->R6(CE)
>
> R1 Loop0 = 10.10.10.1/32
> R2 <http://10.10.10.1/32R2> Loop0 = 10.10.10.2/32
> R3 <http://10.10.10.2/32R3> Loop0 = 10.10.10.3/32
> R5 <http://10.10.10.3/32R5> Loop0 = 192.168.2.0/24
> R6 <http://192.168.2.0/24R6> Loop0 = 192.168.101.0/24
>
> I am getting these errors on my debug on R3. Not really sure what the no
> label
> means? I wanted to set-up a simple MPLS L3 VPN. Static routing is being
> used
> between PE and CE.
>
> *Mar 1 04:38:13.758: MPLS: Se1/3: xmit: (no label)
> *Mar 1 04:38:13.782: MPLS: Se1/3: recvd: CoS=6, TTL=255, Label(s)=19
> *Mar 1 04:38:13.782: MPLS: Se1/2: xmit: (no label)
> *Mar 1 04:38:13.990: MPLS: Se1/2: recvd: CoS=6, TTL=255, Label(s)=18
> *Mar 1 04:38:13.990: MPLS: Se1/3: xmit: (no label)
> *Mar 1 04:39:13.834: MPLS: Se1/3: recvd: CoS=6, TTL=255, Label(s)=19
> *Mar 1 04:39:13.838: MPLS: Se1/2: xmit: (no label)
> *Mar 1 04:39:13.870: MPLS: Se1/2: recvd: CoS=6, TTL=255, Label(s)=18
> *Mar 1 04:39:13.870: MPLS: Se1/3: xmit: (no label)
> *Mar 1 04:39:14.058: MPLS: Se1/3: recvd: CoS=6, TTL=255, Label(s)=19
> *Mar 1 04:39:14.058: MPLS: Se1/2: xmit: (no label)
>
> Here are my configs.
> R1 (R2 not shown)
>
> ip vrf vpn1
> rd 100:100
> route-target export 100:100
> route-target import 100:100
> maximum routes 500 80
> !
> mpls label protocol ldp
> tag-switching tdp router-id Loopback0
> !
> interface Loopback0
> ip address 10.10.10.1 255.255.255.255
> !
> interface FastEthernet0/0
> ip vrf forwarding vpn1
> ip address 192.168.1.1 255.255.255.252
> duplex auto
> speed auto
> !
> interface Serial1/1
> mtu 1550
> ip address 172.16.13.1 255.255.255.252
> mpls label protocol ldp
> tag-switching ip
> serial restart-delay 0
> no dce-terminal-timing-enable
> !
> R1#sh ip bgp vpnv4 vrf vpn1
> BGP table version is 15, local router ID is 10.10.10.1
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> Route Distinguisher: 100:100 (default for vrf vpn1)
> *> 192.168.1.0/30 0.0.0.0 0 32768 ?
> *> 192.168.2.0 192.168.1.2 0 32768 ?
> *>i192.168.100.0/30 10.10.10.2 0 100 0 ?
> *>i192.168.101.0 10.10.10.2 0 100 0 ?
>
> R3(P)
> !
> mpls label protocol ldp
> tag-switching tdp router-id Loopback0
> !
> interface Serial1/2
> mtu 1550
> ip address 172.16.13.2 255.255.255.252
> mpls label protocol ldp
> tag-switching ip
> serial restart-delay 0
> no dce-terminal-timing-enable
> !
> interface Serial1/3
> mtu 1550
> ip address 172.16.23.1 255.255.255.252
> mpls label protocol ldp
> tag-switching ip
> serial restart-delay 0
> no dce-terminal-timing-enable
>
> Thanks,
> Angelo
>
>
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