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Broadcast-mess in an IP-Network

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8 replies

by steffen.hornung 1 view

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How can I pulldown the Broadcasts in a network?
Clients are from Win95,Win98,NT,2000Pro and WinXP Pro. Servers are all running NT Srv SP6a. There is one NT-domain with 2 Backup-DC and one PDC (of course). The 9x-Machines are devided in Multiple Workgroups and all are logging on to the Domain.
The network hardware is built around a Fibre-Switch from Allied Telesyn (100MBit)whilst subsequent Switches are 10 Cisco Catalyst 1900 (10Mbit w/100MBit uplink) and up to 3 8-Port-Hubs from Allied Telesyn and one 16-Port Allied Telesyn-Switch (10/100 MBit).
Broadcast traffic is about 90 percent.
Which changes in hardware and/or software configuration do you demand/recommend?

8 replies

by glenfahan

Up front, you didn't mention running WINS. If you aren't you should. That will reduce traffic.
If you are, try downloading a free software sniffer. Offhand I would recommend Ethereal, but there are many choices. After you see what the bulk ofyour traffic is, you can make an informed decision. You may need to upgrade to a 100MBit network.

Good Luck, and post more info if you require additional help.

by legj1

And turn off NETBIOS. DNS should resolve names for your NT and 2000 clients. You will indeed need WINS to resolve for your Win9X clients.

by mcoya

It seems to me that you need to divide you broadcast areas, your network seems to be flat rather than a heirarchy. Try setting up subnets and/or vlans to segregate diffenerent areas of you network. Also very important to disable netbios, that is all broadcast traffic.

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