The MPLS-OPS Archive

[John Smith <jsmith4112003@yahoo.co.uk>]

Yugandhar,

This is very normal. WHen you bind some interfaces to a VRF, they are removed from the
kernel database (or the global routing table) and you cannot thus view them ordinarily.
Since those interfaces (FastEthernet0/0 and 0/1) have been put into VRFs, you are unable
to ping them from the PE itself.

Moreover, if the CEs are able to ping these interfaces - what is the problem? Why do you
want to ping them from anywhere else? You cant do that.

Smith

----- Original Message ----- 
From: yugandhar 
To: mpls-ops@mplsrc.com 
Sent: Friday, March 19, 2004 11:34 AM
Subject: [MPLS-OPS]: problem in implementing the BGP MPLS VPN


Hi all

I have a problem in implementing the BGP MPLS VPN setup. Here Iam giving the network
diagram and configuration of one PE router. Iam unnable ping to the own interfaces of PE2
but I can ping interfaces of PE from the CE routers........means as shown in the network
diagram I can ping PE2-------- F0/0 & F0/1   from the CE1(Bank1) and CE2(Bank2),but from
PE2 I can't ping its own interfaces. RIP is enabled on all CE-PE links. 



Bank1\                                                              /Bank2
            \                                                          /         
              \                                                      /
               PE1-----------------P-----------------------PE2
              /                                                       \
            /                                                           \
Bank2/                                                               \BANK1


sh run
Building configuration...

Current configuration : 2573 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Kanpur
!
boot system flash c3745-jk9s-mz.123-1a.bin
enable secret 5 $1$mLnf$fJMzXqY9UEA/rXjPNyHrq0
!
ip subnet-zero
!
!
!
ip vrf Bank1
 rd 1:26
 route-target export 100:26
 route-target import 100:26
!
ip vrf Bank2
 rd 1:27
 route-target export 100:27
 route-target import 100:27
!
ip cef
mpls ldp logging neighbor-changes
!
! 
!
!
!
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination 
!
!
!
!
!
interface Loopback0
 ip address 194.22.15.1 255.255.255.255
!
interface FastEthernet0/0
 description *** Interface to Bank1-side B ***
 ip vrf forwarding Bank1
 ip address 10.2.1.1 255.255.255.252
 duplex auto
 speed auto
!
interface FastEthernet0/1
 description *** Interface to Bank2-side B ***
 ip vrf forwarding Bank2
 ip address 196.7.25.1 255.255.255.252
 duplex auto
 speed auto
!
interface Serial1/0
 ip address 203.250.15.2 255.255.255.252
 no fair-queue
 

router rip
 version 2
 !
 address-family ipv4 vrf Bank2
 version 2
 network 196.7.25.0
 no auto-summary
 exit-address-family
 !
 address-family ipv4 vrf Bank1
 version 2
 network 10.0.0.0
 no auto-summary
 exit-address-family
!


router bgp 1
 no bgp default ipv4-unicast
 bgp log-neighbor-changes
 neighbor 194.22.15.2 remote-as 1
 neighbor 194.22.15.2 update-source Loopback0
 !
 address-family vpnv4
 neighbor 194.22.15.2 activate
 neighbor 194.22.15.2 send-community extended
 exit-address-family
 !
 address-family ipv4
 neighbor 194.22.15.2 activate
 no auto-summary
 no synchronization
 exit-address-family
 !
 address-family ipv4 vrf Bank2
 no auto-summary
 no synchronization
 exit-address-family
 !
 address-family ipv4 vrf Bank1
 no auto-summary
 no synchronization
 exit-address-family
!
ip http server
no ip http secure-server
 ip classless
!




regards
yugandhar 


	
	
		
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