VRF lite and shared service

Unanswered Question
May 11th, 2007

Hi to all, i'm triyng to use VRF-Lite with shared service.I tried to configure two different VRF (blue and red for example) and then i configured another vrf (for example server). I tried to export with route-target both vrf blue and green to vrf server and to import vrf server into vrf blue and green to give rechability, this is part of my configuration :

ip vrf green

rd 65001:100

route-target export 65001:100

route-target import 65001:100

route-target import 65001:300

ip vrf red

rd 65001:200

route-target export 65001:200

route-target import 65001:200

route-target import 65001:300

ip vrf server

rd 65001:300

route-target export 65001:300

route-target import 65001:300

route-target import 65001:100

route-target import 65001:200

but it doesn't work.

Any help appreciated


p.s. is it possible to merge two vrf in VRF-Lite ?

I have this problem too.
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bjornarsb Fri, 05/11/2007 - 03:50


Keep in mind that can use:

Router(config-vrf)# route-target both 65001:100



mohammedmahmoud Fri, 05/11/2007 - 04:23


As far as i know, using route-targets is effective only if BGP is running. (route-target is an extended community)

HTH, please do rate all helpful replies,

Mohammed Mahmoud.

bjornarsb Fri, 05/11/2007 - 04:51


Most routing protocols (BGP, OSPF, EIGRP, RIP and static routing) can be used between the CE and the PE. However, cisco recommend using external BGP (EBGP) for these reasons:

?BGP does not require multiple algorithms to communicate with multiple CEs.

?BGP is designed for passing routing information between systems run by different administrations.

?BGP makes it easy to pass attributes of the routes to the CE.





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