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DHCP server and VLANs

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  • DHCP server and VLANs

    Hello,
    If I have 4 VLANs ,Can I have only ONE DHCP server in one VLAN which can assign IP addresses to hosts in another VLANs.

    I need some one to tell me how this can be done, how dhcp server can assign ip addresses to those hosts in another vlans ( subnets).

  • #2
    You'll need to configure a DHCP relay agent, then configure RRAS to route the traffic to the appropriate subnet(s). These 2 tasks can be handled by the same machine.

    Information is abundant on how to do this...

    http://www.google.com/search?hl=en&q...cp+relay+agent
    Andrew

    ** Remember to give credit where credit is due and leave reputation points sigpic where appropriate **

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    • #3
      If you have a Layer3 switch, you can get away without external routing solution as RRAS.
      In any case, as Andrew have already told, you will need a DHCP relay agent in each VLAN.

      VLANs define Layer2 boundary - something that DHCP traffic can not cross.
      Guy Teverovsky
      "Smith & Wesson - the original point and click interface"

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