On Fri, 1 Oct 1999, Arshad Mahmood wrote:
>
> Hi everyone,
>
> What are the possible methods that can be applied in order to make
> broadcast traffic less as much as it can be on a LAN subnet. The LAN
> is using TCP/IP protocol. The network speed is 100 MB. And operating
> system being used is Redhat Linux 6.
Some questions and comments.
1. What is causing this to be a concern to you?
2. How many nodes on this ethernet segment or, more appropriately,
broadcast domain?
First I'd determine what percentage of the lan segement utilization is
being caused by broadcasts. To do this you'll need a sniffer. The
sniffing I've done turned up the fact that broadcasts are usually
insignificant compared to the overall usage of the ethernet segement.
In a nutshell, I'd have the nodes on that segement connected via an
ethernet switch. It won't suppress broadcasts per se, but it will ensure
that the traffic a node sees is actually destined for it specifically.
Software wise, you'll need to inventory the network aware "applications"
that generate traffic. Services like SAP found in Novell environments
would be a source as well as netbios (netbeui ?) found in Microsoft
networking, appletalk found in Apple (Macintosh) environments. This is
just a smattering. In fact, to do a thorough job you'll need to get
familiar with the specifications for ethernet as well as the protocols
that use it for transport. Not a trivial job in my opinion.
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