Re: strang thing about "aggregate-address address mask summary-only"

From: tv (tvarriale@xxxxxxxxxxxx)
Date: Mon Jan 01 2001 - 15:32:53 GMT-3


   
If I read that correctly, I think it means that 160.10.0.0 will be passed in
the update, but will not be entered into the routing table since it is being
suppressed.

----- Original Message -----
From: "Jiang" <jianggx@transcentury.com.cn>
To: <ccielab@groupstudy.com>
Sent: Monday, January 01, 2001 12:57 AM
Subject: strang thing about "aggregate-address address mask summary-only"

> Hello, all
>
> Happy new year ^_^
>
> According the BGP4 Case Studies Section 4 in cco:
> Please note that if we are aggregating a network that is injected
> into our BGP via the network statement (ex: network 160.10.0.0 on RTB)
> then the network entry is always injected into BGP updates even
> though we are using "the aggregate summary-only" command.
>
> and I tried this in my lab and got different results, 160.10.0.0
> was really suppressed.
>
> show ip bgp
> *> 160.0.0.0/8 0.0.0.0 32768 i
> s> 160.10.0.0/16 0.0.0.0 0 32768 i
>
> show ip bgp 160.10.0.0
> BGP routing table entry for 160.10.0.0/16, version 15
> Paths: (1 available, best #1)
> Advertisements of this net are suppressed by an aggregate.
> Not advertised to any peer
> Local
> 0.0.0.0 from 0.0.0.0 (192.168.1.1)
> Origin IGP, metric 0, localpref 100, weight 32768, valid, sourced,
local, best, ref
> 2
>
> anyone can explain why?
>
> Hiler
>
>
>
> --
> Best regards,
> Guoxing Jiang mailto:jianggx@transcentury.com.cn
>
>



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