No more drinks for you, pris.... Design seems like it will work...till an intern puts up a nother dhcp server on the same vlan and people get wrong address's
:-P Priscilla Oppenheimer wrote: >Sorry if this is a dumb question! ;-) I want to make sure this design will >work before implementing it. > >The customer has been using 192.168.168.0/24 in one small flat LAN. He has >run out of these addresses and is being hit by performance issues related to >broadcasts. > >He wants to implement subnets and VLANs: > >VLAN 100 192.168.168.0/24 >VLAN 200 192.168.169.0/24 > >New design: > > Internet > | > s0 > 2600 router e1 --- public servers > e0 > | dot1q trunk > switch >VLAN 200 VLAN 100 > >There is just one DHCP server. It will be in VLAN 100, address >192.168.168.10. The DHCP server will have 2 scopes for the 2 subnets. > >We're going to do inter-VLAN routing on the 2600 router. > >Will this config work as far as DHCP is concerned? > >interface ethernet 0 >no ip address >interface ethernet 0.1 >encapsulation dot1q 100 >ip address 192.168.168.1 255.255.255.0 >interface ethernet 0.2 >encapsulation dot1q 200 >ip address 192.168.169.1 255.255.255.0 >ip helper-address 192.168.168.10 > >Devices in VLAN 100 will broadcast and get to the DHCP server directly. The >DHCP server is in their VLAN/subnet. > >Devices in VLAN 200 will broadcast. The router will hopefully pick up the >broadcast, convert it to a unicast to the DHCP server and send it back out >e0, with the GIADDR address filled in so the server will use the right scope. > >Sounds like it should work, but for some unknown reason, I couldn't find an >example that showed this. > >Thanks so much for your help. You could save my Christmas by helping me >verify (or poke holes) in this design! I just wanted to check on the DHCP >aspect at this point. I can fix up the NAT and routing. My brain stopped >working after the last egg nog, so help is needed! :-) > >Priscilla Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59586&t=59578 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]