From: James Caasi (jamesky@hotmail.com)
Date: Mon Jul 22 2002 - 21:47:46 EDT

Thanks Arie,

      The switch that we bought does not have a fiber uplink so we bought
Allied telesyn switches (2-port swtich.. one port is RJ-45 and the other is
fiber) to connect the switches. Should this affect the VTP port in between
the Cisco switches?

      Should there be any problem with VLAN if another switch technology
goes in between the VLAN trunking of Cisco?


Hi James

a) You could trunk one port of the switch to your router and handle on your
        all necessary inter-vlan traffic (often done)

        search on CCO for inter-vlan to find some sample configs for your
job. You
        only face a problem with this approach due to the limited bandwith
on the
        port, if you have mainly inter-vlan traffic. maybe monitoring
bandwith with
        (via snmp) on that port would be a good idea.

b) you can buy a l3 switch with is able to route inter-vlan traffic


-----Ursprüngliche Nachricht-----
Von: James Caasi [mailto:jamesky@hotmail.com]
Gesendet: Montag, 22. Juli 2002 08:12
An: cisco-nsp@puck.nether.net
Betreff: [nsp] Help with VLAN


      We are going to implement VLAN mainly to separate the broadcast
traffic from one segment to another.

      We have existing Cisco 2620 (one FastE port) and Cisco layer 2
switches. We have office users on one segment and some production machines
on another.

      Should I need a layer 3 switch for this connected after the router? Or
I only need the router to separate the two segments (using VLAN
configuration) on the layer 2 Cisco switches?


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