Re: RR & metrics not being propergated to ebgp peer from RR

edit Brian

apologies

On 28 February 2013 20:35, Tony Singh <mothafungla_at_gmail.com> wrote:

>
> Ok thanks for setting me straight Brain, what would be the best way to
> achieve the desired goal in that case or is it not possible
>
>
> On 28 February 2013 20:25, Brian Dennis <bdennis_at_ine.com> wrote:
>
>> MED is a non-transitive attribute which means in your case if the CE
>> learns a path via iBGP you can't pass the MED for that path to an eBGP
>> peer. If the CE originated the path into BGP itself then it would be
>> passed to its eBGP peer (PE).
>>
>> --
>> Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/Voice)
>> bdennis_at_ine.com
>>
>> INE, Inc.
>> http://www.INE.com
>>
>>
>>
>>
>> On 2/28/13 3:05 PM, "Tony Singh" <mothafungla_at_gmail.com> wrote:
>>
>> >Hi Experts
>> >
>> >I may be missing some fundamental here but say the following
>> >
>> >SW>CE>PE
>> >
>> >SW is RR but also announcing several subnets into bgp process which
>> >reference preferred metrics
>> >
>> >these metric are advertised out to CE, CE see's these and advertises
>> these
>> >metrics out to PE but PE does not see these metrics in bgp rib....?
>> >
>> >anything im doing wrong....
>> >
>> >
>> >
>> >CE#$ ipv4 unicast neighbors x.x.x.x advertised-routes
>> >BGP table version is 20, local router ID is x.x.x.x
>> >Status codes: s suppressed, d damped, h history, * valid, > best, i -
>> >internal,
>> > r RIB-failure, S Stale
>> >Origin codes: i - IGP, e - EGP, ? - incomplete
>> >
>> > Network Next Hop Metric LocPrf Weight Path
>> >*>ix.x.x.x x.x.x.x 200 100 0 i
>> >*>ix.x.x.x x.x.x.x 200 100 0 i
>> >*>ix.x.x.x
>> > x.x.x.x 200 100 0 i
>> >*>ix.x.x.x x.x.x.x 100 200 0 i
>> >*>ix.x.x.x
>> > x.x.x.x 100 200 0 i
>> >*> x.x.x.x
>> > 0.0.0.0 100 200 32768 i
>> >*> x.x.x.x
>> > 0.0.0.0 100 200 32768 i
>> >*> x.x.x.x
>> > 0.0.0.0 100 200 32768 i
>> >*>ix.x.x.x
>> > x.x.x.x 100 200 0 i
>> >
>> >Total number of prefixes 9
>> >
>> >
>> >
>> >PE#show ip bgp
>> >BGP table version is 28, local router ID is x.x.x.x
>> >Status codes: s suppressed, d damped, h history, * valid, > best, i -
>> >internal,
>> > r RIB-failure, S Stale
>> >Origin codes: i - IGP, e - EGP, ? - incomplete
>> >
>> > Network Next Hop Metric LocPrf Weight Path
>> >* x.x.x.x x.x.x.x 0 xxxxx i
>> >*> x.x.x.x 0 xxxxx i
>> >* x.x.x.x x.x.x.x 0 xxxxx i
>> >*> x.x.x.x 0 xxxxx i
>> >* x.x.x.x
>> > x.x.x.x 0 xxxxx i
>> >*> x.x.x.x 0 xxxxx i
>> >* x.x.x.x x.x.x.x 0 xxxxx i
>> >*> x.x.x.x 0 xxxxx i
>> >* x.x.x.x
>> > x.x.x.x 100 0 xxxxx i
>> >* x.x.x.x 0 xxxxx i
>> >*> 0.0.0.0 0 xxxxx i
>> >* x.x.x.x
>> > x.x.x.x 0 xxxxx i
>> >* x.x.x.x 100 0 xxxxx i
>> >*> 0.0.0.0 0 xxxxx i
>> >
>> >
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>> >
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Received on Thu Feb 28 2013 - 20:36:26 ART