Re: BGP & Route reflectors

From: miken (miken@sisna.com)
Date: Tue Feb 18 2003 - 19:06:42 GMT-3


In reviewing the BGP table, it looks like you may have already disabled
synchronization for the iBGP but does router C and D know how to get to
10.108.44.44? Try next-hop-self on router A to router B or advertising the
link between A and B on router B or your IGP and see what happens. It would
be helpful to post your configs and routing table.

Thanks,
Mike

----- Original Message -----
From: "Syv Ritch" <syv@911networks.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, February 18, 2003 2:03 PM
Subject: BGP & Route reflectors

> Hi,
>
> A [eBGP] --> B [RR client] --> C [Route Reflector] --> D [RR client]
>
> A is connected to the client and not to the route reflector.
> How do I propagate the route 10.108.144.0 from A:
>
> Router B:
>
> TS-2512#b
> BGP table version is 3, local router ID is 99.99.99.99
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> * i10.108.122.0/24 10.108.22.22 0 100 0 65110 i
> * i10.108.133.0/24 10.108.33.33 0 100 0 i
> *> 10.108.144.0/24 10.108.44.44 0 0 65244 i
> * i10.108.155.0/24 10.108.22.22 100 0 65110 i
> * i10.108.166.0/24 10.108.22.22 100 0 65110 i
> *> 10.108.199.0/24 0.0.0.0 0 32768 i
>
> Router C:
>
> c1720#b
> BGP table version is 5, local router ID is 33.33.33.33
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 10.108.122.0/24 10.108.22.22 0 0 65110 i
> *> 10.108.133.0/24 0.0.0.0 0 32768 i
> * i10.108.144.0/24 10.108.44.44 0 100 0 65244 i
> *> 10.108.155.0/24 10.108.22.22 0 65110 i
> *> 10.108.166.0/24 10.108.22.22 0 65110 i
> * i10.108.177.0/24 10.108.77.77 0 100 0 i
> * i10.108.199.0/24 10.108.99.99 0 100 0 i
>
> 10.108.144.0 is i and not *>
>
> Router D:
>
> c1602r#b
> BGP table version is 2, local router ID is 77.77.77.77
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> * i10.108.122.0/24 10.108.22.22 0 100 0 65110 i
> * i10.108.133.0/24 10.108.33.33 0 100 0 i
> * i10.108.155.0/24 10.108.22.22 100 0 65110 i
> * i10.108.166.0/24 10.108.22.22 100 0 65110 i
> *> 10.108.177.0/24 0.0.0.0 0 32768 i
>
> No 10.108.144.0
>
> --
> Thanks
> syv@911networks.com



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