Re: IPv6 BGP

Thanks both. Brian, I owe much to INE and your instruction. Keep up
the good work!

Marc

On Fri, Jul 15, 2011 at 6:53 AM, Brian McGahan <bmcgahan_at_ine.com> wrote:
> Try to get into the habit of using the new unified syntax format for the BGP AFI/SAFIs. This way when you get into more details of IPv4 Multicast BGP, IPv6 Unicast BGP, or VPNv4 BGP you'll have a better grasp on exactly what you're trying to verify. Overall this syntax makes more sense because it uses a logical hierarchy.
>
> Router#show bgp ipv4 unicast
> Router#show bgp ipv4 unicast summary
> Router#show bgp ipv4 unicast neighbors
> Router#show bgp ipv4 unicast neighbors a.b.c.d advertised-routes
>
> Router#show bgp ipv4 multicast
> Router#show bgp ipv4 multicast summary
> Router#show bgp ipv4 multicast neighbors
> Router#show bgp ipv4 multicast neighbors a.b.c.d advertised-routes
>
> Router#show bgp ipv6 unicast
> Router#show bgp ipv6 unicast summary
> Router#show bgp ipv6 unicast neighbors
> Router#show bgp ipv6 unicast neighbors a:b:c::d advertised-routes
>
> Router#show bgp vpnv4 unicast all
> Router#show bgp vpnv4 unicast all summary
> Router#show bgp vpnv4 unicast all neighbors
> Router#show bgp vpnv4 unicast all neighbors a.b.c.d advertised-routes
>
>
> HTH,
>
> Brian McGahan, CCIE #8593 (R&S/SP/Security)
> bmcgahan_at_INE.com
>
> Internetwork Expert, Inc.
> http://www.INE.com
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Alexei Monastyrnyi
> Sent: Friday, July 15, 2011 12:19 AM
> To: marc edwards
> Cc: Cisco certification
> Subject: Re: IPv6 BGP
>
> no worries. :-) happy studies!
> A.
>
> On 7/15/2011 5:18 PM, marc edwards wrote:
>> BGP table version is 3, local router ID is 1.1.1.1
>> 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
>> *> FEC0:43::/64 FEC0:124::131 0 0 4 i
>> * FEC0:124::/64 FEC0:124::131 0 0 4 i
>> *> :: 0 32768 i
>>
>> r4#sh ip bgp ipv6 unicast
>> BGP table version is 25, local router ID is 4.4.4.4
>> 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
>> *> FEC0:43::/64 :: 0 32768 i
>> * FEC0:124::/64 FEC0:124::129 0 0 1 i
>> *> :: 0 32768 i
>> r4#
>>
>>
>> Although I am tired and haven't touched my lab since the post, you
>> made staying up well worth it. Much thanks.
>>
>> Marc
>>
>> On Fri, Jul 15, 2011 at 12:15 AM, Alexei Monastyrnyi
>> <alexeim73_at_gmail.com> wrote:
>>> how about show ip bgp ipv6 unicast ?
>>>
>>> On 7/15/2011 3:51 PM, marc edwards wrote:
>>>
>>> experts:
>>>
>>> I have configured a pretty basic set up but having issues advertising
>>> some routes. I have R1 ---FR---> R4
>>>
>>> R1 has many loopbacks setup on lo 1:
>>>
>>>
>>> r1#sh run int lo1
>>> Building configuration...
>>>
>>> Current configuration : 311 bytes
>>> !
>>> interface Loopback1
>>> ip address 1.1.1.1 255.255.255.255
>>> ipv6 address FEC0:10:10::1/64
>>> ipv6 address FEC0:10:11::1/64
>>> ipv6 address FEC0:10:12::1/64
>>> ipv6 address FEC0:10:13::1/64
>>> ipv6 address FEC0:10:14::1/64
>>> ipv6 address FEC0:10:15::1/64
>>> ipv6 address FEC0:10:16::1/64
>>> ipv6 address FEC0:10:17::1/64
>>>
>>> I am trying to advertise these networks over to R4 with following
>>> configuration on R1:
>>>
>>> router bgp 1
>>> no synchronization
>>> bgp log-neighbor-changes
>>> neighbor FEC0:124::131 remote-as 4
>>> no auto-summary
>>> !
>>> address-family ipv6
>>> neighbor FEC0:124::131 activate
>>> network FEC0:124::/64
>>> no synchronization
>>> exit-address-family
>>>
>>> I guess the problem must be on r1 because I don't see the advertised
>>> network hitting it's own bgp table
>>>
>>> r1#sh ip bgp
>>>
>>> r1#
>>>
>>> Pretty cool that the same show commands can work for both ipv4 and
>>> ipv6 in BGP. I just wish I had something to show for it (no pun
>>> intended). Any suggestions? Thanks greatly in advance for help.
>>>
>>> Marc Edwards
>>>
>>>
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>>>
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Received on Fri Jul 15 2011 - 11:27:06 ART