RE: Conditionally Advertising BGP Routes in a VRF?

From: Shaughn Smith (Shaughn.Smith@za.verizonbusiness.com)
Date: Wed Jun 25 2008 - 04:53:38 ART


Hi

Like I said yesterday. You can use route-maps, distribute-lists and
filter lists in your VRF configuration.

Below confirms it

xxxxx(config-router)#address-family ipv4 vrf xxxxxxx

xxxxxx(config-router-af)#neighbor 192.168.1.1 ?

  activate Enable the Address Family for this Neighbor

  advertisement-interval Minimum interval between sending BGP routing
updates

  allowas-in Accept as-path with my AS present in it

  as-override Override matching AS-number while sending
update

  capability Advertise capability to the peer

  default-originate Originate default route to this neighbor

  description Neighbor specific description

  disable-connected-check One-hop away EBGP peer using loopback address

  distribute-list Filter updates to/from this neighbor

  dmzlink-bw Propagate the DMZ link bandwidth

  ebgp-multihop Allow EBGP neighbors not on directly
connected networks

  filter-list Establish BGP filters

  inherit Inherit a template

  local-as Specify a local-as number

  maximum-prefix Maximum number of prefixes accepted from this
peer

  next-hop-self Disable the next hop calculation for this
neighbor

  next-hop-unchanged Propagate the iBGP paths's next hop unchanged
for this neighbor

  password Set a password

  peer-group Member of the peer-group

  prefix-list Filter updates to/from this neighbor

  remote-as Specify a BGP neighbor

  remove-private-as Remove private AS number from outbound
updates

  route-map Apply route map to neighbor

  route-reflector-client Configure a neighbor as Route Reflector
client

  send-community Send Community attribute to this neighbor

  send-label Send NLRI + MPLS Label to this peer

  shutdown Administratively shut down this neighbor

  soft-reconfiguration Per neighbor soft reconfiguration

  timers BGP per neighbor timers

  translate-update Translate Update to MBGP format

  ttl-security BGP ttl security check

  unsuppress-map Route-map to selectively unsuppress
suppressed routes

  update-source Source of routing updates

  version Set the BGP version to match a neighbor

  weight Set default weight for routes from this
neighbor

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Roger RPF
Sent: Wednesday, June 25, 2008 7:46 AM
To: ccielab@groupstudy.com
Subject: WG: Conditionally Advertising BGP Routes in a VRF?

Hi Group,

Need to ask again...is there no possibility in a VRF for conditionally

advertising?

-----Urspr|ngliche Nachricht-----

Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Im Auftrag von

Roger RPF

Gesendet: Dienstag, 24. Juni 2008 15:29

An: ccielab@groupstudy.com

Betreff: Conditionally Advertising BGP Routes in a VRF?

Hi Group,

Is it possible to do conditionally bgp route advertising in a vrf? I
cannot

configure it and I cannot really find information about it. The normal

config is as the following:

http://www.cisco.com/en/US/docs/ios/iproute/configuration/guide/irp_bgp_
basi

c_net_ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1055661

But how to do that within a VRF?? Any ideas??

regards

Roger



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