[c-nsp] 4 Byte AS implementation on Cisco Routers

Hock Jim hohockjim at gmail.com
Wed Aug 13 04:24:14 EDT 2008


Already supported in IOS-XR.

Recently heard from Cisco:
12.0S late Q4 2008
12.2SRE even later Q4 2008
12.5(1)T Q2 2009

That said, unless you're directly connected to a BGP peer with 32-bit ASNs,
routing still works. You however lose visibility as to which AS it goes it.
(Prolly have to resort to checking the Internet registries' whois manually.)

On Wed, Aug 13, 2008 at 3:10 PM, Darryl Dunkin <ddunkin at netos.net> wrote:

> It would appear support is still very limited. I still have not seen
> this pop up in the feature navigator by any recognizable name.
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Pratap Reddy
> Sent: Tuesday, August 12, 2008 23:22
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] 4 Byte AS implementation on Cisco Routers
>
> Hi,
>
> I have a query regarding implementioan of 4 Byte AS on Cisco routers.
>
> Does any one   implemented/tested 4 byte AS on Cisco routers?
>
>  Cheers.
> Pratap.
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