[c-nsp] BGP doesn't advertise prefixes

Thu Apr 30 07:07:30 EDT 2015

Yup, I got pull up route configured as well :

ip route 123.0.73.0 255.255.255.0 Null0 250

Regards,

2015-04-30 17:08 GMT+07:00 Sandor Rozsa <rozsa.sandor.gyula at gmail.com>:

> Sorry for the confusion, but if you have no auto-summary in bgp then you
> have to have in your example the same mask on your Null route and network
> statement.
>
> Try network 123.0.73.0 mask 255.255.255.0, then you can add policies if it
> works.
>
>
>
>
> On Thu, Apr 30, 2015 at 6:46 AM, Samol <molasian at gmail.com> wrote:
>
>>   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
>>
>
>

-- 
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