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From: rob@idacom.uucp (Rob Chapman)
Newsgroups: comp.dcom.sys.cisco
Subject: Re: Recommended maximum number of serial lines on a gateway
Message-ID: <1991Feb4.083254.11235@idacom.uucp>
Date: 4 Feb 91 08:32:54 GMT
Organization: IDACOM, a division of Hewlett-Packard
Lines: 9

> at full-speed, we're probably limited to 6 ports (6x1.5MB = 9MB) by the speed
> of the Ethernet - is this considered excessive?

 As a general rule of thumb, I usually guage an Ethernet to run at a maximum of 
 2/3's of its rated bandwidth, due to collisions and overhead.  Also its traffic
 flow is non-deterministic indicating some elasticity is required to maintain
 this rate.

Rob