[c-nsp] BGP Dynamic Neighbors + VRF

[Wes Smith]

Thanks for the feedback!

Sent from my iPhone

> On Apr 19, 2016, at 11:42 PM, Andrew Thrift <andrew at networklabs.co.nz> wrote:
> 
> Just an update on this old thread, I got slightly side-tracked..
> 
> Wes's solution does indeed work (Thanks Wes)
> 
> We have it in production with a few hundred peers now.
> 
>> On Tue, Dec 8, 2015 at 5:00 PM, Wes Smith <fathom5 at live.com> wrote:
>> Hmm
>> I grabbed that config from a working asr1002x on 3.16.
>> I've been using  that for a while with dynamic neighbors in a vrf.
>> 
>> range config is in the root bgp config and the peer-group is defined in the address family for the vrf.
>> 
>> 
>> 
>> Sent from my iPhone
>> 
>>> On Dec 7, 2015, at 10:06 PM, Andrew Thrift <andrew at networklabs.co.nz> wrote:
>>> 
>>> Thanks Wes.
>>> 
>>> I did try what you have suggested, and it works if you specify a
>>> neighbour/peer-group binding, but you do not seem to be able to
>>> specify a "bgp listen range" so it does not accept dynamic neighbours.
>>> :(
>>> 
>>> 
>>> 
>>> 
>>>> On Tue, Dec 8, 2015 at 3:29 PM, Wes Smith <fathom5 at live.com> wrote:
>>>> Hi Andrew
>>>> For dynamic peers on a vrf, .... You put the peer group within
>>>> 'address-family ipv4 vrf xyz'  paragraph  like this ..
>>>> You end up creating a separate peer-group per vrf
>>>> 
>>>> router bgp 1234
>>>> bgp listen range 10.xx1.0/24 peer-group DYNPEER
>>>> bgp listen limit 1000
>>>> 
>>>> address-family ipv4 vrf XYZ
>>>>  neighbor DYNPEER  peer-group
>>>> neighbor DYNPEER remote-as 65011
>>>> neighbor DYNPEER timers 10 65
>>>> neighbor DYNPEER etc etc
>>>>    ,,,,,
>>>> Wes
>>>> 
>>>>> Date: Tue, 8 Dec 2015 14:44:54 +1300
>>>>> From: andrew at networklabs.co.nz
>>>>> To: cisco-nsp at puck.nether.net
>>>>> Subject: [c-nsp] BGP Dynamic Neighbors + VRF
>>>> 
>>>>> 
>>>>> Hello,
>>>>> 
>>>>> I have been trying to set up BGP Dynamic Neighbors on a Cisco ASR1002
>>>>> as per the documentation
>>>>> 
>>>>> "http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/15-mt/irg-15-mt-book/bgp_dynamic_neighbors.pdf"
>>>>> but am coming unstuck when trying to bind to the peer-group from
>>>>> within a VRF.
>>>>> 
>>>>> Basic config is:
>>>>> 
>>>>> router bgp 65000
>>>>> remote-as 65000
>>>>> 
>>>>> bgp log-neighbor-changes
>>>>> bgp listen range 10.23.3.0/24 peer-group nz-peers
>>>>> bgp listen limit 200
>>>>> neighbor nz-peers peer-group
>>>>> neighbor nz-peers remote-as 64632
>>>>> neighbor nz-peers ebgp-multihop 255
>>>>> 
>>>>> address-family ipv4 vrf vrf-nz-wan
>>>>> redistribute connected
>>>>> neighbor nz-peers activate
>>>>> exit-address-family
>>>>> 
>>>>> 
>>>>> However when issuing "neighbor nz-peers activate" I get the following
>>>>> error:
>>>>> 
>>>>> % Specify remote-as or peer-group commands first
>>>>> 
>>>>> Is this a configuration that others have done ? Or am I missing
>>>>> something fundamental ?
>>>>> 
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> 
>>>>> 
>>>>> Andrew
>>>>> _______________________________________________
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