[c-nsp] BGP error with optional attribute

[Ivan Ivanov]

Hi,

Most probably you have to enable explicitly 'family inet6 unicast' under
Juniper bgp configuration. But to be sure could you share the configuration
on both ends?

HTH
Ivan,

On Fri, Dec 19, 2014 at 7:51 PM, Harold Ritter (hritter) <hritter at cisco.com>
wrote:

> Hi Thiyagarajan,
>
> You are apparently running into CSCtf27303.
>
> https://tools.cisco.com/bugsearch/bug/CSCtf27303
>
> Regards,
>
> Harold
>
>
>
> Le 2014-12-19 10:29, « thiyagarajan b » <bn.thiyagarajan at gmail.com> a
> écrit :
>
> >Hi everyone,
> >
> >I have a problem in iBGP between Cisco 7301 and juniper mx series router
> >where the BGP got flapped throwing the following error in cisco end:
> >
> >%BGP-3-NOTIFICATION: received from neighbor 119.227.0.65 3/9 (unsupported
> >option specified) 0 bytes
> >%BGP-5-ADJCHANGE: neighbor 119.227.0.65 Down BGP Notification received
> >
> >%BGP-3-NOTIFICATION: received from neighbor 119.227.0.65 6/5 (cease) 0
> >bytes
> >
> >and found the following log in juniper
> >
> >rpd[1296]: bgp_read_v4_update:9690: NOTIFICATION sent to 210.18.0.181
> >(Internal AS 9583): code 3 (Update Message Error) subcode 9 (error with
> >optional attribute), Reason: peer 210.18.0.181 (Internal AS 9583) UPDATE -
> >NLRI inet6-unicast not negotiated
> >rpd[1296]: Received BAD update from 210.18.0.181 (Internal AS 9583),
> >family
> >inet6-unicast(16), prefix 2a02:2158::/32
> >
> >So is this problem caused by the prefix 2a02:2158::/32 because of it
> >invalid attribute? or is it because of any mismatch SAFI update between
> >the
> >routers?
> >
> >Please suggest.
> >
> >
> >Warm Regards,
> >Thiyagarajan B.
> >_______________________________________________
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>
>
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-- 
Best Regards!

Ivan Ivanov