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New Member

MPLS VPN

Is there a way to allow customers from two separate VRF to transfer data between them .both vrf are on the same7609 PE router.

5 REPLIES

Re: MPLS VPN

yes its possible, doing a regular import export between both the VRF's. (extranet)

Routes from the other VRF would be having a VPN-route-head tag information set for switching between the VRF's in CEF.

HTH-Cheers,

Swaroop

Re: MPLS VPN

Hi,

in case you have a MPLS VPN and thus MP-BGP the config is rather simple, f.e.

ip vrf Customer1

rd 65000:1

route-target import 65000:102

route-target export 65000:102

ip vrf Customer2

rd 65000:2

route-target import 65000:102

route-target export 65000:102

In case you are using VRF-Lite (aka Multi-VRF) you would be able to get the result through packet leaking:

ip vrf Customer1

rd 65000:1

interface Serial1

ip vrf forwarding Customer1

ip address ...

ip vrf Customer2

rd 65000:2

interface Serial2

ip vrf forwarding Customer2

ip address ...

ip route vrf Customer1 10.2.0.0 255.255.0.0 Serial2

ip route vrf Customer2 10.1.0.0 255.255.0.0 Serial1

This will copy the IP packets between the VRFs. You will need to adjust all the numbers and names in the example above to your environment.

Hope this helps! Please rate all posts.

Regards, Martin

New Member

Re: MPLS VPN

Is that a new feature in the ios? Because in the following link:

http://www.cisco.com/en/US/tech/tk436/tk832/technologies_configuration_example09186a0080231a3e.shtml

They said: "You can not configure two static routes to advertise each prefix between the VRFs, because this method is not supported?packets will not be routed by the router. To achieve route leaking between VRFs, you must use the import functionality of route-target and enable Border Gateway Protocol (BGP) on the router. No BGP neighbor is required."

Best regards

Daniel

Re: MPLS VPN

Hi,

well I just tested this again in the lab and it works.

PE21#sh vers

Cisco Internetwork Operating System Software

IOS (tm) 3700 Software (C3725-JS-M), Version 12.2(15)T14, RELEASE SOFTWARE (fc4)

Regards, Martin

New Member

Re: MPLS VPN

thanks guys I am using MPLS-VPN i will try this option will both vrf see all routes from each other.

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