[c-nsp] BGP doesn't advertise prefixes

Thu Apr 30 00:46:27 EDT 2015

  I already disabled auto summary with "   no auto-summary" command.

Regards,

2015-04-29 19:40 GMT+07:00 Sandor Rozsa <rozsa.sandor.gyula at gmail.com>:

> I assume you haven't enabled auto summary for the BGP. In this case based
> on what you've written, the announcement of your 123.0.73.0/24 should
> have the correct mask in the bgp network statement.
>
> >>> network 123.0.73.0 mask 255.255.255.0 route-map EQX-BGP-Originate
>
>
> !Static route
>
> ip route 123.0.73.0 255.255.255.0 Null0 250
>
> On Wed, Apr 29, 2015 at 5:17 AM, Samol <molasian at gmail.com> wrote:
>
>>  here it is the config:
>>
>> !Route-map
>>
>> route-map EQUINIX-TRANSIT-OUT permit 5
>>  match ip address prefix-list CP-M21-PREPEND
>>  set as-path prepend 123 123 123
>> !
>> route-map EQUINIX-TRANSIT-OUT permit 10
>>  match community 500
>>
>> route-map EQX-BGP-Originate permit 10
>>  set community 123:123 65501:24115 additive
>>
>> !Prefix-list
>> !
>> ip prefix-list CP-M21-PREPEND seq 5 permit 123.0.73.0/24
>>
>> !Community list
>>
>> ip community-list 500 permit 123:123
>>
>>
>> !BGP protocol
>>
>> router bgp 123
>>  neighbor EQUINIX-TRANSIT peer-group
>>  neighbor EQUINIX-TRANSIT remote-as 17819
>>  neighbor EQUINIX-TRANSIT update-source Vlan105
>>  neighbor 27.111.241.123 peer-group EQUINIX-TRANSIT
>>
>> address-family ipv4
>>   neighbor EQUINIX-TRANSIT send-community
>>   neighbor EQUINIX-TRANSIT prefix-list BOGON in
>>   neighbor EQUINIX-TRANSIT route-map EQUINIX-TRANSIT-OUT out
>>   neighbor EQUINIX-TRANSIT maximum-prefix 600000 95
>>   neighbor 27.111.241.123 activate
>>
>>   network 123.0.73.0 route-map EQX-BGP-Originate
>>
>>
>> !Static route
>>
>> ip route 123.0.73.0 255.255.255.0 Null0 250
>>
>>
>> using show ip bgp route-map EQUINIX-TRANSIT-OUT result that rule match
>> what
>> we want, but it doesn't advertise out !
>>
>> Regards,
>>
>> 2015-04-28 19:35 GMT+07:00 Scott Granados <scott at granados-llc.net>:
>>
>> > It could be a bug but most likely a configuration issue.  The bugs on
>> the
>> > 65xx platform are normally more like the supervisor will crash when the
>> BGP
>> > table counter reaches a certain threshold or similar to that not just
>> the
>> > lack of advertisement to a single peer.  It’s possible but if you could
>> > post the relevant portions of your on fig that would probably yield
>> better
>> > results.
>> >
>> > Thanks
>> >
>> >
>> > On Apr 28, 2015, at 5:59 AM, Samol <molasian at gmail.com> wrote:
>> >
>> > > Hi All,
>> > >
>> > > Weird issue of BGP running on:
>> > >
>> > > Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M),
>> > > Version 12.2(33)SXJ2, RELEASE SOFTWARE (fc4)
>> > >
>> > > cisco WS-C6503-E (R7000) processor (revision 1.3) with 983008K/65536K
>> > bytes
>> > > of memory.
>> > >
>> > > We did the configuration correctly and we applied on different peers.
>> > other
>> > > peers are advertising routes, but on peer is not. using "sh ip bgp
>> > > route-map X" , we can see that route-map is matching what we want,
>> > however,
>> > > " show ip bgp neighbors 1.2.3.4 advertised-routes " gives only one
>> prefix
>> > > advertise out, and sometimes it doesn't advertise out either.
>> > >
>> > > Is there any known bug on this or anything else should I check ?
>> > >
>> > > Regards.
>> > >
>> > > --
>> > > Samol Khoeurn
>> > > (855) 077 55 64 02 / (855) 070 52 53 46
>> > > Network Engineer
>> > > Cisco: CCNA/CCNP SP/CCIP/
>> > > Juniper: JNCIA/JTNOC/JNCIS-ENT,SP,SEC/JNCIP-ENT,SP
>> > > Blog: http://thesaltedegg.net
>> > > www.linkedin.com/in/samolkhoeurn
>> > > _______________________________________________
>> > > cisco-nsp mailing list  cisco-nsp at puck.nether.net
>> > > https://puck.nether.net/mailman/listinfo/cisco-nsp
>> > > archive at http://puck.nether.net/pipermail/cisco-nsp/
>> >
>> >
>>
>>
>> --
>> Samol Khoeurn
>> (855) 077 55 64 02 / (855) 070 52 53 46
>> Network Engineer
>> Cisco: CCNA/CCNP SP/CCIP/
>> Juniper: JNCIA/JTNOC/JNCIS-ENT,SP,SEC/JNCIP-ENT,SP
>> Blog: http://thesaltedegg.net
>> www.linkedin.com/in/samolkhoeurn
>> _______________________________________________
>> cisco-nsp mailing list  cisco-nsp at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>> archive at http://puck.nether.net/pipermail/cisco-nsp/
>>
>
>

-- 
Samol Khoeurn
(855) 077 55 64 02 / (855) 070 52 53 46
Network Engineer
Cisco: CCNA/CCNP SP/CCIP/
Juniper: JNCIA/JTNOC/JNCIS-ENT,SP,SEC/JNCIP-ENT,SP
Blog: http://thesaltedegg.net
www.linkedin.com/in/samolkhoeurn