From: Shahid Shafi (sshafi@gmail.com)
Date: Tue Jul 20 2004 - 03:41:15 GMT-3
thanks a bunch John.. Yeah we really should have met somewhere. No
worries maybe next year ;-)
thx
Shahid
On Mon, 19 Jul 2004 21:44:18 -0400, john matijevic
<matijevi@bellsouth.net> wrote:
> Hello Shahid,
> Im sorry we didn't get a chance to meet at networkers. Anyways I found
> the following link that might help you. It looks like you can use VRF
> with policy routing.
>
> "VRF Selection using Policy Based Routing
> The VRF Selection using Policy Based Routing feature is an extension of
> the VRF Selection Based on Source IP Address feature. The PBR
> implementation of the VRF selection feature allows you to policy route
> VPN traffic based on match criteria. Match criteria is defined in a
> prefix list, in an IP access list, or based on packet length. The
> following match criteria is supported in Cisco IOS software:
>
> .IP Access Lists- define match criteria based on IP addresses, IP
> address ranges, and other IP packet access list filtering options.
> Named, numbered, standard, and extended access lists are supported. All
> IP access list configuration options in Cisco IOS software can be used
> to define match criteria.
>
> .IP Prefix Lists-define match criteria based on only IP prefixes and IP
> prefix ranges.
>
> .Packet Lengths- define match criteria based on the length of a packet
> in bytes. The packet length filter is defined in a route map with the
> match length route map configuration command.
>
> Policy routing is defined in the route map. The route map is applied to
> the incoming interface with the ip policy route-map interface
> configuration command. IP access list and IP prefix list match criteria
> is applied to the route map with the match ip address route map
> configuration command. Packet length match criteria is applied to the
> route map with the match length route map configuration command. The set
> action is defined with the set vrf route map configuration command. The
> match criteria is evaluated, and the appropriate VRF is selected by the
> set clause. This combination allows you to define match criteria for
> incoming VPN traffic and policy route VPN packets out to the appropriate
> VRF.
>
> Hopefully that helps clear things up for you.
>
> John Matijevic, CCIE #13254, MCSE, CNE, CCEA
> Network Consultant
> Hablo Espanol
> 305-321-6232
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Shahid Shafi
> Sent: Monday, July 19, 2004 9:24 PM
> To: ccielab@groupstudy.com
> Subject: VRF and PBR (Something from Networkers 2004)
>
> Hi Folks,
>
> I hope someone will able to answer me here. I attended networkers this
> year and one thing that kept coming up like in couple of my sessions
> but I never got a chance to clear that with the speaker(s). They were
> using VRF and PBR interchangeably for any intelligent routing. I
> always thought VRF is strictly related to L3/L2 MPLS based VPN and has
> nothing to do with campus routing. Can anybody know or elaborate how
> one can leverage VRF in an enterprise environment like PBR? Any links
> from cco will be appreciated.
>
> Thx,
> Shahid
>
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sun Aug 01 2004 - 10:11:59 GMT-3