Re: BGP synchronization (static route)

From: Alec (clapun@graduate.hku.hk)
Date: Sun Sep 21 2003 - 00:12:41 GMT-3


Hi Jon,

Thanks for getting me back.. That's what I think initially... But it really
works when I tried in my Cisco 6400 NRP running IOS 12.2(2). Wierd ?

BTW, must the same prefix exist in IGP or a summary / default route exist is
already okay ?

regards,
alec

----- Original Message -----
From: "Jonathan V Hays" <jhays@jtan.com>
To: "'Alec'" <clapun@graduate.hku.hk>; <ccielab@groupstudy.com>
Sent: Sunday, September 21, 2003 4:18 AM
Subject: RE: BGP synchronization (static route)

> Alec,
>
> No, a static route is not acceptable to BGP's rules. It has to be an IGP
> (dynamic routing protocol) such as EIGRP, OSPF, RIP, etc.
>
> HTH,
>
> Jonathan
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Alec
> Sent: Friday, September 19, 2003 9:54 AM
> To: ccielab@groupstudy.com
> Subject: BGP synchronization (static route)
>
>
> Hi group,
>
> According to Cisco documentation, if synchronization is enabled, BGP
> peer
> won't select prefix from their IBGP peer if the exact prefix does not
> exist
> in IGP. However, if I configured a static route for the exact prefix,
> it
> will be selected in the BGP table. Isn't that static route not
> considered
> as a kind of IGP ? or the BGP decision behaviour changed in IOS 12.2 ?
>
> regards,
> alec
>
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