[comp.dcom.sys.cisco] Repeaters - Cisco ethernet errors??

asteiner@casbah.acns.nwu.edu (Albert Steiner) (04/11/91)

We have had one experience with putting a repeater on a network connected 
to a cisco router.
The repeater was installed not because of distance, but because of the 
need to connect fibre, thickwire etc through an attached fanout box.

A large number of errors occured on the interface.  I was told that there 
was some kind of problem with the repeater adding trailers to the packets 
and introducing problems with CRC errors.  The repeater has since been 
removed, and explanations are hard to get.

We have another network connected again through a fanout box to a fibre 
then to a repeater to go to thinnet.  Again we are getting a lot errors 
(but only in bursts).  The network is clean most of the time, but 
occasionally we get 5 to 10 minutes of errors.  This network is also 
running DECNET to CICNET and the errors become so severe that DECNET 
connections are lost.

Any comments or suggestions on what to pursue.

Are there any know problems of CISCOs with repeaters?

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asteiner@casbah.acns.nwu.edu
Albert Steiner, Academic Computing and Networking,
Northwestern University, Evanston, IL 60208
708-491-4056