Re: BGP and convergence time

[Jay Nakamura <zeusdadog () gmail com>]

On Wed, May 12, 2010 at 11:02 AM, Matthew Walster <matthew () walster org> wrote:
> On 12 May 2010 02:36, Scott Weeks <surfer () mauigateway com> wrote:
> > You set the timers on your side and the two sides negotiate then select the lowest timer settings.  The BGP session 
> > automatically hard resets on some equipment when changing the timers, so be aware of that.
>
> Hold timers are negotiated in the OPEN message, I seem to remember, so
> surely you *have* to hard reset the connection to get the lower
> holdtime?

I just tested this and, yes, with Cisco to Cisco, changing the setting
won't reset the connection but you have to reset the connection to
have the value take effect.  I need to look up what happens when two
sides are set to different values and which one takes precedent.