[c-nsp] limited bgp traps

"Jon Harald Bøvre" jon at bovre.no
Tue Sep 6 06:03:15 EDT 2011


could be transport connection-mode passive will help, for one side of the
peering.

router bgp 45000
 neighbor 192.168.1.2 remote-as 40000
 neighbor 192.168.1.2 activate
 neighbor 192.168.1.2 transport connection-mode passive


Jon Harald Bøvre

> On (2011-09-06 12:03 +0400), Nikolay Shopik wrote:
>
>> I understand this because it actually changes state from down to
>> active(trying to establish tcp session) and after timeout goes down
>> again thus sending trap again.
>>
>> Is this behavior by design? I don't actually expect receive another
>> trap until it change state from what I define(down or up).
>
> Unfortunately this is by design, people who designed BGP traps were
> dreadfully
> confused what people need. Now you must save previous BGP state in your
> NMS, so
> you are able to determine what happened.
>
> However some platforms, like IOS, extend standard BGP traps and include
> 'previous state' field, this will allow you to react only on
> establihes->down
> and X->established events, without saving states in NNS. Some other
> platforms,
> like JunOS unfortunately do not provide you with this luxory.
>
> --
>   ++ytti
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-- 
Jon Harald Bøvre



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