Re: EEM to keep BGP peer shut during an interface flap

This. Exactly. Use BFD for this. It already does what you're trying to do
and it's a heck of a lot easier to configure.

On Tue, Aug 13, 2013 at 6:53 AM, Chris Rae <chris.rae07_at_me.com> wrote:

> Hey Matt,
>
> Why not just use BFD?
> If the BFD peer is down (ie no keep alive or interface goes down) BGP will
> immediately reroute via other peer.
>
> Chris
>
> On 13/08/2013, at 7:52 PM, Mathew <mathewfer_at_gmail.com> wrote:
>
> > Hi,
> >
> > I tested two EEM applet configs:
> >
> > - One check for syslog for an interface down and CLI to shut down BGP
> peer.
> > - Second one to no shut the BGP peer when syslog entry is seen with
> > interface up.
> >
> > In fact the interface that I want check is NOT being used for this BGP
> > peering so there is no way to do it with BGP configuration.
> >
> > The above two EEM configs works but the issue is that when this interface
> > start to flap, EEM keep shutting and no-shutting BGP peer. I want to
> avoid
> > this as it results in BGP flap.
> >
> > Has any body tried an EEM solution to keep the BGP peer shut during an
> > interface flap?
> >
> > I do not mind keeping the BGP shut till interface flapping is over but
> how
> > do we do/detect it with EEM?
> >
> > Thanks in advance for your replies.
> >
> > Mathew
> >
> >
> > --
> > Thanks
> >
> > Mathew
> >
> >
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Received on Tue Aug 13 2013 - 10:12:23 ART