From: Greg Martin (justler@xxxxxxxxxxxxxx)
Date: Sat Jul 06 2002 - 06:32:03 GMT-3
Some dynamic protocols (BGP and/or OSPF) will create a route for
summarized addresses to null0 so you can't packets to just the
summarized address.
> Thanks.
> --- Joe A <GroupStudy@comcast.net> wrote:
> > That's not BGP specific, it just routes traffic for
> > that subnet/mask to the
> > null interface, i.e. drops the traffic, usually to
> > prevent a routing loop,
> > but also acts as a low CPU usage "access-list" to
> > deny/drop such traffic.
> >
> > Joe
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com]On Behalf Of
> > Peng Zheng
> > Sent: Friday, July 05, 2002 11:04 PM
> > To: ccielab@groupstudy.com
> > Subject: Meaning of static route with null0 in BGP
> >
> >
> > Hi,
> >
> > I knew there is some special meaning like:
> >
> > ip route network mask null0
> >
> > in BGP network. But I forget what it is.
> >
> >
> > Does anyone know that?
> >
> >
> > Thank you for help.
> >
> >
> > Best Regards,
> > Peng Zheng
> >
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