[c-nsp] Strange IP address

[M K]

Hi , Thanks for the replyI usually disable the default IPv4 behavior of BGP peering establishment using no bgp default ipv4-unicast and never faced this , but I faced it when I configured directly
Thanks again for the replies
BR,

> From: hritter at cisco.com
> To: gunner_200 at live.com
> CC: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Strange IP address
> Date: Sun, 3 Nov 2013 23:51:51 +0000
> 
> Hi,
> 
> There¹s at least two alternatives you can use. You either need to use a
> route-map under AF ipv4 to change the next-hop explicitly for the ipv4
> prefixes or you can run a separate session for v4 ad v6 prefixes
> respectively. The latter is generally recommended.
> 
> Regards
> 
> Harold
> 
> 
> Le 2013-11-03 08:54, « M K » <gunner_200 at live.com> a écrit :
> 
> >Hi Sander and thanks for the replyI actually converted the numbers into
> >hexadecimal , and am running dual stacked network IPv4 and IPv6but how am
> >going to block this IP address from appearing in the show ip bgp output ?
> >Thanks again 
> >> Subject: Re: [c-nsp] Strange IP address
> >> From: sander at steffann.nl
> >> Date: Sun, 3 Nov 2013 14:35:07 +0100
> >> CC: cisco-nsp at puck.nether.net
> >> To: gunner_200 at live.com
> >> 
> >> Hi,
> >> 
> >> > Hi all I was working on a test LAB on GNS3 , the Lab contains both
> >>IPv4 and IPv6 with different routing protocolsThe starnge issue is that
> >>when I issue the show ip bgp on one of the routers
> >> > I find the IP address 32.1.1.146 as a next-hopdid anyone face this
> >>before ? 		 	   		
> >> 
> >> Can you show your config? I suspect you are sending IPv6 routes to an
> >>IPv4 BGP neighbour or vice versa.
> >> 
> >> Converting your IPv4 address to hex:
> >> - 32  = 0x20
> >> - 1   = 0x01
> >> - 1   = 0x01
> >> - 146 = 0x92
> >> 
> >> It wouldn't surprise me if one of your IPv6 addresses starts with
> >>2001:0192: (which would be in the IANA reserved block for protocol
> >>assignments)
> >> 
> >> Cheers,
> >> Sander
> >> 
> > 		 	   		  
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