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Thanks guys. I got the answer from Roy:
Hmm you have ipv6 bgp neighbors and you are using the sh ip bgp sum command…which as far as Im aware applies to IPv4 neighbors. Can you use the command: *sh bgp ipv6 sum* , and advise on the status of the peering? Regards Roy
thanks again to all who replied
thanks Syed

On Tue, Jan 6, 2009 at 4:50 AM, Tyson Scott wrote:
> It means there is a capabilities mismatch between the peers. Check the > capabilities on each side using the show bgp ipv6 unicast neighbors on each > router and see if you can determine the mismatch. > > Regards, > > Tyson Scott - CCIE #13513 R&S and Security > Technical Instructor - IPexpert, Inc. > > Telephone: +1.810.326.1444 > Cell: +1.248.504.7309 > Fax: +1.810.454.0130 > Mailto: tscott@ipexpert.com > > Join our free online support and peer group communities: > http://www.IPexpert.com/communities > > IPexpert - The Global Leader in Self-Study, Classroom-Based, Video On > Demand > and Audio Certification Training Tools for the Cisco CCIE R&S Lab, CCIE > Security Lab, CCIE Service Provider Lab , CCIE Voice Lab and CCIE Storage > Lab Certifications. > > > —–Original Message—– > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of > Syed > Ali > Sent: Monday, January 05, 2009 8:12 PM > To: Cisco certification > Subject: MP-BGP > > Hi All, > Can someone explain as when I do *show ip bgp sum*, I get the * > NoNeg* as below. What does this mean as I do see it as a valid neighbor > > FEC0:234::2 4 300 7 8 0 0 0 00:03:25 (NoNeg) > thanks > Syed > > > Blogs and organic groups at http://www.ccie.net > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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