Re: Default Route: Broadcast on or off

Jake Messinger (jake@ams.com)
Thu, 29 May 1997 11:31:52 -0500 (CDT)

On Thu, 29 May 1997, Stephen Zedalis wrote:

> setup (rare). In fact turning on RIP for users can defeat the idle timer
> and increase traffic unnecessarily if you have a busy network as all

No, not can, DOES defeat the idle timeout settings!

> routing information will be forwarded over your dialup lines to machines
> that for the most part will just ignore the traffic. And in the worst
> case, they can inject false routing information into your network.
> The global default route option does not control whether or not a port
> sends RIP broadcasts, all it controls is whether the portmaster will
> broadcast via RIP that IT has the default route. Unless the PM-3 is
> also your core router on the ethernet, you probably want it off.

Right, that was the point I was making. Youd only have broadcast on if you
didnt have some local router doing stuff for you. We use a Linux box to
route our local nets.

> So in summary, turn it all off except for the ether0 option IF your core
> router and other routers speak RIP V1. (If they can all do OSPF, this
> is a much better option although a tad more difficult in setup)

~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
Jake Messinger 713-772-6690 jake@ams.com
Advanced Medical Systems, Inc. jake@uh.edu
9919 S. Gessner #201
Houston, Texas 77071 http://www.ams.com/~jake
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~