Re: HELP : Network High Availability?

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From: Rex Sanders
Date: Thu, 26 Mar 1998 00:00

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If you have a very well-defined and controlled network, you could adjust
the spanning tree timeout parameters in most Cisco equipment to reduce the
cutover time.

Of course, this could be an excellent lessen in how to crash a network. 
Allow plenty of time for analysis & experimentation, or find an expert in
STP.

-- Rex

In article <35187EC3.E75031D8@vickers.com.hk>, Kimmy Chan
<kimmy_chan@vickers.com.hk> wrote:
>    My company's business is highly dependent on network service for
>both internal LAN access and external data feeds. Currently, we don't
>have any redundancy build in any network path to backup the system and
>we are planning to do so. We are using Cisco products (switches, routers
>etc) and some network vendors proposed Fast Ether Channel with spanning
>tree protocol to provide alternate network path. However, our concern is
>the spanning tree protocol which incurs a switch-over time (vary from
>5sec to 50sec) that will make all connected IP sessions disconnect and
>they need to be established again. Any other better methods avoid the
>session disconnect?

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From: rex@octopus.wr.usgs.gov (Rex Sanders)
Subject: Re: HELP : Network High Availability?
Date: 1998/03/26
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