[j-nsp] Lying about BGP capabilities

Stacy W. Smith stacy at acm.org
Fri Oct 3 14:34:30 EDT 2008


"set disable-4byte-as" at the BGP, group, or neighbor level.

--Stacy


On Oct 3, 2008, at 11:59 AM, Rob Evans wrote:

> Hi folks,
>
> I've recently upgraded a few routers to JUNOS 9.1R2, which has
> introduced four byte ASNs (this is a good thing).
>
> Within BGP, this feature is announced as a new capability (65) in the
> BGP OPEN message.
>
> However, one of our customers has a less than ideal (aka broken)
> router which, when it sees this capability, tears the session down.
>
> Now, I know they should just be ignoring it, but whilst they take this
> issue up with their vendor, is there any way I can tell the Juniper
> not to advertise the four-byte ASN capability in the BGP OPEN?  I've
> had a look, and can't see anything *documented*... :)
>
> All the best,
> Rob
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
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