Hi,
As far as I understand it, having just read both the Sybex and ICND CCNA
books, it's as follows:
"Route poisoning attempts to eliminate routing loops caused by inconsistent
updates." If a router's link to a network goes down, it "poisons" the link
by putting in a table entry for the network as having infinite cost, with
RIP it is a metric of 16 that does this.
Once the other router receives this table update, it sends a "poison
reverse" back to the original router stating that the network is
unreachable. This process overrides the normal split horizon rules.
An attempt from a first timer,
Jeremy Felt, CCNA
----- Original Message -----
From: Brian
To:
Sent: Wednesday, May 16, 2001 10:54 AM
Subject: Re: Route Poisoning and Poison Reverse?? [7:4666]
> Perhaps we're talking about split horizon and poison reverse??
>
> Bri
>
> ----- Original Message -----
> From: "Michel Lavondes"
> To:
> Sent: Wednesday, May 16, 2001 8:39 AM
> Subject: Re: Route Poisoning and Poison Reverse?? [7:4666]
>
>
> > On Wed, 16 May 2001, Aki Christopoulos wrote:
> >
> > > I understand that both (Route Poisoning and Poison reverse) are used
> with
> > > Distance Vector Routing Protocols, but I am not able to get a clear
> > > definition
> > > of Route Poisoning..
> > >
> > > What is the difference between the two??
> >
> > Never heard route poisoning myself, but I would assume it means the same
> > as poison reverse. Did you see both used in the same document, or by the
> > same author?
> >
> > --
> > "Someone approached me and asked me to teach a javascript course. I was
> > about to decline, saying that my complete ignorance of the subject made
> > me unsuitable, then I thought again, that maybe it doesn't, as driving
> > people away from it is a desirable outcome." --Me
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