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Configuring VLANs

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Nov 3, 2003
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US
I need some help in configuring VLANs. I need to seperate two subnets that are running on my LAN. I have a swithed ethernet LAN with primarily HP switches, and one Dell also. All managed switches. I understand the principle behind VLANs, but am not sure how to implement one. My switches have a single backbone, so is it possible to extend the VLAN to multiple switches without seperate backbones? You see, I have my corporate network, with a T1, and I want to put a public access one, with a DSL line, but I have to use the same switches. I have all the documentation from Dell and HP for thw switches, but I'm missing something in the overall comprehension. Can anyone help?

Thanks!
John
 
Ok, I think it would be a good idea for you to spend some time in a test lab with your switches. First thing you will need to do is confirm that the Dell and HP are compatible when you tag your vlans. Also how do your switches connect to one another? Do you have a core switch that all the edge switches connect into? or are they all just edge switches that are inter connected? Basically what you'll need to do is create and configure your vlans on the switches that they reside on. All vlan_A must have the same tag number and all vlan_B must have the same tag number. Also all trunk ports must be tagged if more then one vlan will be going across it.

I would not take what I have said above and implement it into a live environment. Remember I don't know how it's configured, their may be areas that need more then L2 switching to have it work properly under the above proposed change.
[cheers]
 
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