Re: [nsp] CEF stability

From: Neil J. McRae (neil@COLT.NET)
Date: Mon Jan 24 2000 - 15:10:21 EST


On Mon, 24 Jan 2000 12:26:41 -0600 (CST)
 Dave Bergum <bergum@MR.Net> wrote:

> Talk a bit about changing the mtu on a live box? I tried to up the mtu
> from 1500 to 4470 on a live interface, and it did not seem to take effect.
> (was having ospf db distribution issue with Juniper on the other end that
> had default 4470 mtu, and ended up setting the Juniper down to 1500
> instead.)

I meant with a VIP2-50. If you change the MTU the cards do
a brief reset. We've had no problems changing them if done
at the pre-production stage

>
> Considering buffering, would 1500, which is mostly datagram size anyway, be
> wiser that 4470 default?
>

Usually, depends on your traffic profile, we've had issues with FDDI
where idiots filter icmp frag requests.

Neil.

--
Neil J. McRae                             C O L T  I N T E R N E T
neil@COLT.NET



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