Article View: comp.protocols.appletalk
Article #5999Cisco AppleTalk Router overflow
From: DAVID ANGUISH
Date: Mon, 18 Dec 1989 13:40
Date: Mon, 18 Dec 1989 13:40
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Strange !! We have a large number of Kinetics KFPS-4 (about 60 of them)
and 24 KFPS-2's dirctly connected to 3 1/2 km of Ethernet backbone cable.
Recently we decided to install CISCO AppleTalk routers (10 are installed)
to break with the 254 connections by Ethernet limitation.
Our problem is the following. The Cisco routers are dropping a byte
in their routing tables which has the effect of shifting, up one, the data.
This of course is seen by all routers that route AppleTalk as the creation
of new nets on the network. What is worse is that this can happen repeatedly
in quick succession and inflates the size of the RTMP packets until the Cisco
is overwhelmed and crashes.
This looks like a problem of hardware or timing. What is worying, is
that Cisco Routers use the long RTMP packet style,of which nobody is really sure
(let alone Apple) if this is the correct way of doing it(maintaining Routers).
Any comments or similar experiences ???!!!??
DW.Anguish, EPFL, Lausanne, CH.
email: anguish@sic.epfl.ch
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!samsung!usc!ucsd!ucbvax!VMA.CC.CMU.EDU!anguish%elma.epfl.ch From: anguish%elma.epfl.ch@VMA.CC.CMU.EDU (DAVID ANGUISH) Newsgroups: comp.protocols.appletalk Subject: Cisco AppleTalk Router overflow Message-ID: <891218144047.20c0209e@SIC.Epfl.CH> Date: 18 Dec 89 13:40:47 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 19