[115106] in North American Network Operators' Group
Re: iBGP advertisement interval
daemon@ATHENA.MIT.EDU (Jon Lewis)
Mon Jun 8 12:58:20 2009
Date: Mon, 8 Jun 2009 12:57:27 -0400 (EDT)
From: Jon Lewis <jlewis@lewis.org>
To: kysks <kysks@kornet.net>
In-Reply-To: <00bf01c9e859$225d6810$ad037ea8@KTICARUS>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, 9 Jun 2009, kysks wrote:
> I thought BGP advertisement interval is the following.
>
> ibgp : 5 second, ebgp : 30 second.
>
> But, now I realize that the default ibgp interval of Cisco is 0 second.
> (ios 12.0 & IOX)
On the 6500, this seems to have been changed somewhere in the 12.2SX line.
> When did it change? ^^;
The answer to that probably depends on which platform/train you're
interested in.
> I wonder if No interval time for bgp advertisement would bring insecure
> network by flapping network.
More annoying, AFAIK, JunOS has a default update time of 0 for eBGP, and
I'd imagine it's the same for iBGP.
----------------------------------------------------------------------
Jon Lewis | I route
Senior Network Engineer | therefore you are
Atlantic Net |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________