[rbak-nsp] strange BGP printouts...
Ronald Voermans
r.voermans at global-datacenter.nl
Fri Jan 13 08:36:16 EST 2012
What does your config look like for this peer?
Op 13 jan. 2012, om 14:09 heeft Marcin Kuczera het volgende geschreven:
> Ronald Voermans wrote:
>> Hi Marcin,
>> the first one is seen as an internal neighbour (ibgp), hence the 'i' in the path. No as-path is neccessary with ibgp!
>
> The problem is that this is an external peer !
> [bgp1]R0_SE600#show bgp neighbor 91.195.159.6
> BGP neighbor: 91.195.159.6, remote AS: 30799, external link
> Version: 4, router identifier: 80.238.64.1
> State: Established for 01:43:23
> Description: peering Internetia-Dworek
> Last read 00:00:32, last send 00:00:07
> Hold time: configured 180, negotiated 180
> Keepalive time: configured 60, negotiated 60
> Local restart timer 120 sec, stale route retain timer 180 sec
> Received restart timer 0 sec, flag 0x0
> Number of hops external BGP neighbor may be away: 1
> Minimum time between advertisement runs: 30 secs
> Source (local) IP address: 91.195.159.5
> Received messages: 109 (2238 bytes), notifications: 0, in queue: 0
> Sent messages: 121 (3928 bytes), notifications: 0, out queue: 0
> Reset count: 1, last reset time: 01:43:34, reset reason: User action
>
> CapSent: refresh, 4byteAS, unicast, restart
> CapRcvd: refresh, unicast
>
> Address family: ipv4 unicast
> BGP table version: 24930765, neighbor version: 24930645
> Prefix maximum limit: 100
> Route map in : direct-peering-rix-in
> Route map out : direct-peering-rix-out
> Routes: rcvd 4, imported 0, active 1, history 0, dampend 0, sent 274
> [bgp1]R0_SE600#
>
> So, bug ?
>
> Regards,
> Marcin
>
>
>
>> Regards,
>> Ronald
>> Op 13 jan. 2012, om 13:53 heeft Marcin Kuczera het volgende geschreven:
>>> look here, I have 2 peers with exacly the same route-maps
>>>
>>> Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Rst Up/Down PfxRcvd/Sent RstNeeded
>>> 91.195.159.6 30799 91 102 24923197 0 0 1 01:24:59 4 274 No
>>> 91.195.159.10 196858 18964 18991 24923213 0 0 2 1w6d 3 272 No
>>>
>>>
>>> Now, look at example of advertised routes:
>>>
>>>
>>> [bgp1]R0_SE600#show bgp route neighbor 91.195.159.6 advertised
>>> Address Family: ipv4 unicast
>>> BGP table version is 24923469, local router ID is 195.66.73.250
>>> Status codes: d damped, h history, > best, i internal
>>> Origin codes: i - IGP, e - EGP, ? - incomplete
>>>
>>> Network Next Hop Metric LocPrf Weight Path
>>>> 31.11.128.0/17 91.195.159.5 0 600 100 i
>>>> 37.8.192.0/18 91.195.159.5 0 600 100 i
>>>> 77.222.224.0/21 91.195.159.5 0 600 100 i
>>>> 77.222.232.0/21 91.195.159.5 0 600 100 i
>>>> 77.222.240.0/20 91.195.159.5 0 600 100 i
>>>> 78.31.136.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.0.0/20 91.195.159.5 0 600 100 i
>>>> 78.88.16.0/22 91.195.159.5 0 600 100 i
>>>> 78.88.20.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.22.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.24.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.32.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.40.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.43.0/24 91.195.159.5 0 600 100 i
>>>> 78.88.48.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.56.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.64.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.72.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.80.0/22 91.195.159.5 0 600 100 i
>>>> 78.88.84.0/22 91.195.159.5 0 600 100 i
>>>> 78.88.88.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.90.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.92.0/24 91.195.159.5 0 600 100 i
>>>> 78.88.93.0/24 91.195.159.5 0 600 100 i
>>>> 78.88.96.0/21 91.195.159.5 0 600 100 i
>>>> 78.88.106.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.108.0/24 91.195.159.5 0 600 100 i
>>>> 78.88.109.0/24 91.195.159.5 0 600 100 i
>>>> 78.88.110.0/23 91.195.159.5 0 600 100 i
>>>> 78.88.112.0/21 91.195.159.5 0 600 100 i
>>> [bgp1]R0_SE600#show bgp route neighbor 91.195.159.10 advertised
>>> Address Family: ipv4 unicast
>>> BGP table version is 24923504, local router ID is 195.66.73.250
>>> Status codes: d damped, h history, > best, i internal
>>> Origin codes: i - IGP, e - EGP, ? - incomplete
>>>
>>> Network Next Hop Metric LocPrf Weight Path
>>>> 31.11.128.0/17 91.195.159.9 0 600 100 13000 29314 i
>>>> 37.8.192.0/18 91.195.159.9 0 600 100 13000 29314 i
>>>> 77.222.224.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 77.222.232.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 77.222.240.0/20 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.31.136.0/21 91.195.159.9 0 600 100 13000 44124 i
>>>> 78.88.0.0/20 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.16.0/22 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.20.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.22.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.24.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.32.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.40.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.43.0/24 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.48.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.56.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.64.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.72.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.80.0/22 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.84.0/22 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.88.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.90.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.92.0/24 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.93.0/24 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.96.0/21 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.106.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.108.0/24 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.109.0/24 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.110.0/23 91.195.159.9 0 600 100 13000 29314 i
>>>> 78.88.112.0/21 91.195.159.9 0 600 100 13000 29314 i
>>> [bgp1]R0_SE600#
>>>
>>>
>>> the first one is strange, because it looks like AS path is missing.
>>> Is it a random bug ?
>>>
>>> Regards,
>>> Marcin
>>> _______________________________________________
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>>> redback-nsp at puck.nether.net
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>>>
>
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