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Leak default route to VRF

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mknnoc

Post subject: Leak default route to VRF

Posted: Sun Jul 01, 2012 11:27 pm

Member

Joined: Sat Jun 27, 2009 2:57 am
Posts: 163
Location: Phnom Penh, Cambodia

I am having the diagram as the attached file. I want to leak default internet route to CE VRF as common service.
Since we having two ASBR, can I point next hop to PE itself instead of either of the ASBR?
I tried to point NH to loopback of the PE itself but it failed. Any work around?

Attachments:

common service.png [ 14.04 KiB | Viewed 451 times ]

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davidrothera

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 2:52 am

Ultimate Member

Joined: Thu Jan 13, 2011 5:10 pm
Posts: 984
Location: Leeds, UK
Certs: CCIE R&S #38338, CCNP, CCIP

Post some configs of the devices and let us have a look.

(and remember to wrap them in <code ></code > tags)

_________________
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David
CCIE R&S #38338, CCIP, CCNP

http://networkbroadcast.co.uk - My Blog
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mknnoc

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 3:04 am

Member

Joined: Sat Jun 27, 2009 2:57 am
Posts: 163
Location: Phnom Penh, Cambodia

Below is the only config that I use to leak default route to CE vrf.

Code:

PE(config)#ip route vrf CE 0.0.0.0 0.0.0.0 lo0 10.0.0.1 global
%Invalid next hop address (it's this router)
PE(config)#
-------------------------------------
PE#sh run int lo0
Building configuration...

Current configuration : 64 bytes
!
interface Loopback0
 ip address 10.0.0.1 255.255.255.255
end

PE#

CE and PE is using static route. No BGP ipv4 address-family config.

Thanks,

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davidrothera

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 3:11 am

Ultimate Member

Joined: Thu Jan 13, 2011 5:10 pm
Posts: 984
Location: Leeds, UK
Certs: CCIE R&S #38338, CCNP, CCIP

Why are you wanting to do it that way? It would be easier to use export-maps etc on the VRF config to configure what you want to leak between the various VRF's.

_________________
---
David
CCIE R&S #38338, CCIP, CCNP

http://networkbroadcast.co.uk - My Blog
http://twitter.com/davidrothera

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mknnoc

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 3:13 am

Member

Joined: Sat Jun 27, 2009 2:57 am
Posts: 163
Location: Phnom Penh, Cambodia

can you give an example to do the same purpose using export-map?

many thanks,

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davidrothera

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 4:22 am

Ultimate Member

Joined: Thu Jan 13, 2011 5:10 pm
Posts: 984
Location: Leeds, UK
Certs: CCIE R&S #38338, CCNP, CCIP

Take a read of one of stretch's posts about it: http://packetlife.net/blog/2011/may/19/ ... -services/

_________________
---
David
CCIE R&S #38338, CCIP, CCNP

http://networkbroadcast.co.uk - My Blog
http://twitter.com/davidrothera

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mknnoc

Post subject: Re: Leak default route to VRF

Posted: Mon Jul 02, 2012 4:27 am

Member

Joined: Sat Jun 27, 2009 2:57 am
Posts: 163
Location: Phnom Penh, Cambodia

The post is showing how to leak from VRF to VRF. What i am trying to do to leak from IPv4 to VPNv4.
I think the found the right answer at this http://blog.ipexpert.com/2010/12/01/vrf-route-leaking and below are the config:

Code:

ip prefix-list DEFAULT permit 0.0.0.0/0
!
route-map Global-Import permit 10
 match ip address prefix-list DEFAULT
!
ip vrf CE
 import ipv4 unicast map Global-Import
!

Anyway, thanks for input.

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