iBGP advertisement interval

Jon Lewis jlewis at lewis.org
Mon Jun 8 16:57:27 UTC 2009

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_________

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