It's a fast Ethernet trunk, actually. I forgot to mention that. He does have some internal servers. Do you think in and out of a Fast Ethernet trunk will be less of a problem?
You know my first reaction was also just move the subnet mask over. But he didn't seem to want to do that. He had a broadcast meltdown last week. Perhaps that's why he's concerned. He was using ghosting software. Thanks for the input! Priscilla Chuck Church wrote: > > If everyone just goes to the internet, it'll work. But if > you've got one or > more servers internally, I'd be real afraid of trunking on a 10 > mb interface. > You'll reduce your broadcasts, but I think performance will > suffer horribly > crossing the router. Since you've run out of addresses on a > /24, I assume > you've got a couple hundred devices. Personally I'd just move > the mask back > one or 2 bits, making it a /22 or /23, and using the additional > 1.0 or 1,2, > and 3.0 subnets. There's things you can do to almost all OSs > to reduce > broadcasts. How many broadcasts are you seeing per second? If > it's no more > than 20 on average, I wouldn't even worry about it. > > Chuck Church > CCIE #8776, MCNE, MCSE > > >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 > > Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59648&t=59646 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

