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Wired Networks Thread, Setting up Multiple VLAN's in Technical; Originally Posted by twin--turbo You need layer 3 routing somewhere for your vlans to talk. Either the 3750 must do ...
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    Quote Originally Posted by twin--turbo View Post
    You need layer 3 routing somewhere for your vlans to talk. Either the 3750 must do the routing or the 2921 must do the vlan routing.

    Rob
    Thanks... It is a judgment call that I had to make, however seeing that the the network is going to be set up they way that it is (according to the diagram), I figured that I would just make the "core" switch 3750 do the basic DHCP services for the rest of the switches, and the 2921 Router to as it was functioned to do and be the VLAN routing. That is the problem that I am running into, with having two simultaneous devices that can almost basically do the same Layer 3 services. Also which one gets the configurations? What do you suggest?

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    twin--turbo's Avatar
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    Do the L3 on the 3750. Otherwise your running the 2921 as a Router on a stick and just shoveling data up adn down a pipe for no reason.

    Rob
    Last edited by twin--turbo; 25th June 2012 at 12:42 AM.

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    I tried that and for some reason I think I was doing something wrong, I coould not ping through all the networks. I am sorry, I am still learning the multiple VLANs, across multiple devices concept (or I missed something), I will redo the configs, hopefully it will work. Thanks for all your advice twin--turbo.

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    Get VTP working
    Get vlan interfaces on core.
    Set trunks up

    That's the basics done..

    Rob

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    Quote Originally Posted by twin--turbo View Post
    Get VTP working
    Get vlan interfaces on core.
    Set trunks up

    That's the basics done..

    Rob
    Thamls...will let you know



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