Re: MPLS VPN - difficulties in last level trouble shooting

Hi,

Please check the following command for end to end LSP, I am sure your LSP is
broken. Having route BGP table for vpenv4 doesnt mean you can ping the
destination.

Your problem is broken LSP..:)

Give the below output & anyone in this forum will tell you in a meniue where
is the problem :)

#sh mpls ldp ne <--to chcek that mpls is enable & ldp session is
establish. Give this on all mpls enable router i mean PE & P
#sh mpls int <-- to check the interface enabled for mpls on PE & P
#sh ip vrf in de <-- on PE
#sh ip ro vrf * <-- on PE

Regards
Dave

On Thu, Apr 23, 2009 at 2:48 PM, Shaughn Smith <
Shaughn.Smith_at_mtnbusiness.co.za> wrote:

> Doesn't look like MPLS is enabled.
>
> Do a sh mpls forwarding-table and check the output, I suspect you don't
> have a label switched path for the VPN traffic to use
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Bryan Bartik
> Sent: Wednesday, April 22, 2009 4:09 AM
> To: Akber Ali Mirza
> Cc: CCIE Lab
> Subject: Re: MPLS VPN - difficulties in last level trouble shooting
>
> Is this all your config? Do you have MPLS enabled on the interfaces?
>
> Bryan Bartik
> CCIE #23707, CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>
> On Tue, Apr 21, 2009 at 10:10 AM, Akber Ali Mirza
> <akberali.cisco_at_gmail.com>wrote:
>
> > Hi GS,
> >
> > I wasnt aware earlier that we should not attach files in this study
> group!
> >
> > Hence pasting my Configuration & Diagram in below -
> >
> > Example
> >
> >
> >
> > *MPLS Configuraion using above diagram*
> > **
> > +++++++++++++++++++++++++++++++++++++++++++++++
> > R1:
> > int se 1/0
> > no shut
> > ip add 192.168.13.2 255.255.255.0
> > int lo 0
> > ip add 150.1.1.1 255.255.255.255
> > int Lo 1
> > ip add 172.31.1.1 255.255.255.0
> > no shut
> > router bgp 1
> > bgp router-id 150.1.1.1
> > no synchr
> > redistribute connected
> > neighbor 192.168.13.1 remote-as 101
> > no auto-summary
> > exit
> > router rip
> > ver 2
> > no auto-sum
> > network 172.31.1.0
> > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > R2:
> > int ser 1/0
> > no shut
> > ip add 192.168.25.2 255.255.255.0
> > int lo 0
> > ip add 150.1.2.2 255.255.255.255
> > int Lo 1
> > ip add 172.31.2.1 255.255.255.0
> > router bgp 2
> > bgp router-id 150.1.2.2
> > no synchr
> > redistribute connected
> > neighbor 192.168.25.1 remote-as 101
> > no auto-summary
> > exit
> > router rip
> > ver 2
> > no auto-sum
> > network 172.31.2.0
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++
> > R7:
> > int ser 1/0
> > no shut
> > ip add 192.168.67.2 255.255.255.0
> > int Lo 1
> > ip add 172.31.7.1 255.255.255.0
> > int lo 0
> > ip add 150.1.7.7 255.255.255.255
> > router bgp 7
> > bgp router-id 150.1.7.7
> > no synchr
> > redistribute connected
> > neighbor 192.168.67.1 remote-as 101
> > no auto-summary
> > exit
> > router rip
> > ver 2
> > no auto-sum
> > network 172.31.7.0
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++
> > R8:
> > int ser 1/0
> > no shut
> > ip add 192.168.58.2 255.255.255.0
> > int Lo 1
> > ip add 172.31.8.1 255.255.255.0
> > int lo 0
> > ip add 150.1.8.8 255.255.255.255
> > router bgp 8
> > bgp router-id 150.1.8.8
> > no synchro
> > redistribute connected
> > neighbor 192.168.58.1 remote-as 101
> > no auto-summary
> > exit
> > router rip
> > ver 2
> > no auto-sum
> > network 172.31.8.0
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++
> > R3:
> > ip vrf CustB
> > description Customer B
> > rd 1:1
> > route-target export 1:1
> > route-target import 1:1
> > interface Serial1/0
> > no shut
> > ip vrf forwarding CustB
> > ip address 192.168.13.1 255.255.255.252
> > int ser 1/1
> > no shut
> > ip add 192.168.36.1 255.255.255.0
> > int gi 2/0
> > no shut
> > ip add 192.168.34.1 255.255.255.0
> > int Lo 0
> > ip add 150.1.3.3 255.255.255.0
> > router bgp 101
> > no synch
> > redistribute connected
> > bgp router-id 150.1.3.3
> > no bgp default ipv4-unicast
> > neighbor 192.168.13.2 remote-as 1
> > address-family ipv4 vrf CustB
> > neighbor 192.168.13.2 remote-as 1
> > neighbor 192.168.13.2 activate
> > exit-address-family
> > mpls ip
> > mpls label protocol ldp
> > mpls ldp advertise-labels
> > router bgp 101
> > neighbor 150.1.5.5 remote-as 101
> > neighbor 150.1.5.5 update-source lo0
> > neighbor 150.1.6.6 remote-as 101
> > neighbor 150.1.6.6 update-source lo0
> > address-family vpnv4
> > neighbor 150.1.5.5 activate
> > neighbor 150.1.5.5 send-community extended
> > neighbor 150.1.6.6 activate
> > neighbor 150.1.6.6 send-community extended
> > exit-address-family
> > ip route 192.168.67.0 255.255.255.0 192.168.36.2
> > ip route 192.168.25.0 255.255.255.0 192.168.34.2
> > ip route 192.168.58.0 255.255.255.0 192.168.34.2
> > ip route 150.1.5.5 255.255.255.255 192.168.34.2
> > ip route 150.1.6.6 255.255.255.255 192.168.36.2
> > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > R5:
> > ip vrf CustA
> > description Customer A
> > rd 2:1
> > route-target export 2:1
> > route-target import 2:1
> > ip vrf CustB
> > description Customer B
> > rd 1:1
> > route-target export 1:1
> > route-target import 1:1
> > exit
> > interface Serial1/2
> > ip vrf forwarding CustA
> > ip address 192.168.25.1 255.255.255.252
> > no shut
> > interface Serial1/1
> > ip vrf forwarding CustB
> > ip address 192.168.58.1 255.255.255.252
> > no shut
> > int serial 1/0
> > no shut
> > ip add 192.168.56.1 255.255.255.0
> > int gi 2/0
> > no shut
> > ip add 192.168.45.1 255.255.255.0
> > int Lo 0
> > ip add 150.1.5.5 255.255.255.0
> > router bgp 101
> > no synch
> > redistribute connected
> > bgp router-id 150.1.5.5
> > no bgp default ipv4-unicast
> > neighbor 192.168.25.2 remote-as 2
> > neighbor 192.168.58.2 remote-as 8
> > address-family ipv4 vrf CustA
> > neighbor 192.168.25.2 remote-as 2
> > neighbor 192.168.25.2 activate
> > exit-address-family
> > address-family ipv4 vrf CustB
> > neighbor 192.168.58.2 remote-as 8
> > neighbor 192.168.58.2 activate
> > exit-address-family
> > mpls ip
> > mpls label protocol ldp
> > mpls ldp advertise-labels
> > router bgp 101
> > neighbor 150.1.3.3 remote-as 101
> > neighbor 150.1.3.3 update-source lo0
> > neighbor 150.1.6.6 remote-as 101
> > neighbor 150.1.6.6 update-source lo0
> > address-family vpnv4
> > neighbor 150.1.3.3 activate
> > neighbor 150.1.3.3 send-community extended
> > neighbor 150.1.6.6 activate
> > neighbor 150.1.6.6 send-community extended
> > exit-address-family
> > ip route 192.168.67.0 255.255.255.0 192.168.56.2
> > ip route 192.168.13.0 255.255.255.0 192.168.45.2
> > ip route 150.1.3.3 255.255.255.255 192.168.45.2
> > ip route 150.1.6.6 255.255.255.255 192.168.56.2
> > +++++++++++++++++++++++++++++++++++++++++++++++++
> > R6
> > ip vrf CustA
> > description Customer A
> > rd 2:1
> > route-target export 2:1
> > route-target import 2:1
> > exit
> > interface Serial1/1
> > ip vrf forwarding CustA
> > ip address 192.168.67.1 255.255.255.252
> > no shut
> > int ser 1/0
> > no shut
> > ip add 192.168.36.2 255.255.255.0
> > int ser 1/2
> > no shut
> > ip add 192.168.56.2 255.255.255.0
> > int Lo 0
> > ip add 150.1.6.6 255.255.255.0
> > router bgp 101
> > neighbor 150.1.3.3 remote-as 101
> > neighbor 150.1.3.3 update-source lo0
> > neighbor 150.1.5.5 remote-as 101
> > neighbor 150.1.5.5 update-source lo0
> > address-family vpnv4
> > neighbor 150.1.3.3 activate
> > neighbor 150.1.3.3 send-community extended
> > neighbor 150.1.5.5 activate
> > neighbor 150.1.5.5 send-community extended
> > exit-address-family
> > ip route 192.168.13.0 255.255.255.0 192.168.36.1
> > ip route 192.168.25.0 255.255.255.0 192.168.56.1
> > ip route 192.168.58.0 255.255.255.0 192.168.56.1
> > ip route 150.1.3.3 255.255.255.255 192.168.36.1
> > ip route 150.1.5.5 255.255.255.255 192.168.56.1
> > router bgp 101
> > no sync
> > bgp router-id 150.1.6.6
> > no bgp default ipv4-unicast
> > neighbor 192.168.67.2 remote-as 7
> > address-family ipv4 vrf CustA
> > neighbor 192.168.67.2 remote-as 7
> > neighbor 192.168.67.2 activate
> > exit-address-family
> > mpls ip
> > mpls label protocol ldp
> > mpls ldp advertise-labels
> > ++++++++++++++++++++++++++++++++++++++++++++++++++
> > R4:
> > int gi 1/0
> > no shut
> > ip add 192.168.34.2 255.255.255.0
> > int gi 2/0
> > no shut
> > ip add 192.168.45.2 255.255.255.0
> > ip route 192.168.34.0 255.255.255.0 192.168.36.1
> > ip route 192.168.45.0 255.255.255.0 192.168.56.1
> > ip route 0.0.0.0 0.0.0.0 192.168.34.1
> > ip route 0.0.0.0 0.0.0.0 192.168.45.1
> > ip route 150.1.5.5 255.255.255.255 192.168.45.1
> > ip route 150.1.3.3 255.255.255.255 192.168.34.1
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> >
> > Regards,
> > Mirza.
> >
> >
> >
> >
> >
> --------------------------------------------------------------------------------------------------------------------------
> > On Tue, Apr 21, 2009 at 6:01 PM, Akber Ali Mirza
> > <akberali.cisco_at_gmail.com>wrote:
> >
> > > Hi GS,
> > >
> > > Please help me to configure MPLS VPN in GNS3( 7200 router) lab with the
> > > following Diagram/Configuration/output commands.
> > >
> > >
> > > Currently my E-BGP ( R1&R3 ; R2,R8 &R5 ; R7&R6) & MP-BGP between R3,R5
> > > &R6 are working fine.
> > >
> > > R1.& R8 belongs to Cust B and R2 & R7 belongs to Cust A.
> > > R3/R5/R6 are PE routers
> > > R4-P router.
> > > R1/R2/R7/R8 are CE routers.
> > >
> > > I have configured MPLS VPN using above scenario & configs , *but
> unbale
> > > to achieve the below* -
> > >
> > > 1) ping from R1 to R8 IP (as they are within CustB)
> > > 2) ping R3 to R5 IP's & R3 to R4's IP 192.168.45.2 ( plz chk if any
> > > routing issue between R3-R4-R5 )
> > > 3) ping from R3 to R8 Interface IP.
> > >
> > >
> > > I am finding difficulties to do the last level trouble shooting to get
> > the
> > > above queries working fine!
> > >
> > > I sincerely appreciate and thankful for all your suggestions & replies.
> > >
> > > Please let me know if any further information needed for you to trouble
> > > shoot my issue.
> > >
> > > Regards,
> > > Mirza.
> >
> >
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> >
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> >
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>
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Received on Mon Apr 27 2009 - 09:45:11 ART