Re: removing null route from bgp aggregate command

From: Josef A (josefnet@gmail.com)
Date: Sun Apr 08 2007 - 13:45:35 ART

• Next message: Mark Snow: "RE: PIX shun with IPS"
• Previous message: Erin Brown: "removing null route from bgp aggregate command"
• Maybe in reply to: Erin Brown: "removing null route from bgp aggregate command"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

distance bgp <external><internal><local>

the null route is a local route

HTH

On 4/7/07, Erin Brown <suplepo@yahoo.com> wrote:
>
> Howdy folks,
>
> I've been working through a few BGP scenarious and am
> having a hard time removing the null route entries
> generated when I create an agregate in bgp. I know
> that one of the requirements is to have now null
> routes (including those generated by routing
> protocols). Removing with EIGRP and OSPF is simply a
> matter of admin distance, but I'm not seeing a similar
> option for the aggregate command.
>
> What am I missing?
>
> Sample config:
>
> router bgp 300
> no synchronization
> bgp router-id 150.1.2.2
> bgp log-neighbor-changes
> network 136.1.23.0 mask 255.255.255.0
> network 136.1.29.0 mask 255.255.255.0
> network 150.1.2.0 mask 255.255.255.0
> aggregate-address 136.1.0.0 255.255.0.0
> aggregate-address 150.1.0.0 255.255.0.0 summary-only
> neighbor 136.1.23.3 remote-as 100
> neighbor 136.1.29.9 remote-as 100
> neighbor 136.1.245.5 remote-as 200
> neighbor 136.1.245.5 advertise-map ADVERTISE
> non-exist-map TRACK_PPP
> no auto-summary
>
>
> R2#show ip route | incl Null
> B 136.1.0.0/16 [200/0] via 0.0.0.0, 00:17:18,
> Null0
> B 150.1.0.0/16 [200/0] via 0.0.0.0, 00:17:08,
> Null0
>
> -Missing the forest for the trees
>
>
>
>
>
> ____________________________________________________________________________________
> Get your own web address.
> Have a HUGE year through Yahoo! Small Business.
> http://smallbusiness.yahoo.com/domains/?p=BESTDEAL
>
>
>
>
> ____________________________________________________________________________________
> Never miss an email again!
> Yahoo! Toolbar alerts you the instant new Mail arrives.
> http://tools.search.yahoo.com/toolbar/features/mail/
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

• Next message: Mark Snow: "RE: PIX shun with IPS"
• Previous message: Erin Brown: "removing null route from bgp aggregate command"
• Maybe in reply to: Erin Brown: "removing null route from bgp aggregate command"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

This archive was generated by hypermail 2.1.4 : Tue May 01 2007 - 08:28:35 ART