From: Khurram Khani (ajmal@xxxxxxxxxxxxxxx)
Date: Fri Feb 18 2000 - 18:04:49 GMT-3
Thanks a lot James, this is the clue. I have finally made it a point to
block cable-ranges in EIGRP case
KHURRAM KHANI.
----- Original Message -----
From: James D. Holley, Jr. <jholley@loudoun.com>
To: Khurram Khani <ajmal@emirates.net.ae>; <ccielab@groupstudy.com>
Sent: Thursday, February 17, 2000 9:04 PM
Subject: Re: Appletalk ZIP-Reply Filter ???
> Your book is giving you information about RTMP. The router receives an
> update about a cable range and then ZIP queries for a zone for that cable
> range. If none is found the cable range route is dropped. That is normal
> RTMP protocol behavior.
> With AppleTalk EIRGP it is not the case. It can operate without zone
> information. It works with the DUAL algorithm which is different from
RTMP.
>
> It is expained in Bridges Routers and Switches by Bruce Caslow, in the
> AppleTalk Chapter.
> James Holley
> ----- Original Message -----
> From: "Khurram Khani" <ajmal@emirates.net.ae>
> To: <ccielab@groupstudy.com>
> Sent: Friday, February 18, 2000 1:18 AM
> Subject: Appletalk ZIP-Reply Filter ???
>
>
> > Hello Friends.
> >
> > According to my book, if the zone information from a route is removed,
> > the route is dropped. I am trying to hide zone of Router 2 Eth 0, I
> applied
> > ZIP Reply filter on R2 and found something interesting, route is still
> > advertised to R1 but without zone. Notice the Appletalk Route table
> > below for cable-range 50-50,
> >
> > R1--------R2 ---eth 0
> >
> > R1 "show apple ro"
> >
> > r1#sh apple ro
> > Codes: R - RTMP derived, E - EIGRP derived, C - connected, A - AURP
> > S - static P - proxy
> > 7 routes in internet
> >
> > The first zone listed for each entry is its default (primary) zone.
> >
> > C Net 12-12 directly connected, Ethernet0, zone R1Ethernet0
> > E Net 32-32 [1/G] via 101.3, 142 sec, Serial0.2, zone R3TokenRing
> > E Net 33-33 [1/G] via 101.3, 150 sec, Serial0.2, zone R3R4Serial
> > E Net 40-40 [2/G] via 101.3, 142 sec, Serial0.2, zone R4Ethernet0
> >
> > Notice this!!!!
> >
> > E Net 50-50 [1/G] via 101.5, 149 sec, Serial0.2, no zone set ???????????
> >
> > C Net 100-100 directly connected, Serial0.1, zone R1R2PointToPoint
> > C Net 101-101 directly connected, Serial0.2, zone R1R3R5Multipoint
> > r1#
> >
> > TIA
> > KHURRAM KHANI
> > -----
> >
> > If you take the blue pill, you wake up on the bed and back
> > to your world, If you take the red pill, you'll know what the
> > M A T R I X is...........................!!!!!!
> >
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