On Mon, Oct 04, 2004 at 05:08:17PM +0200, Magnus Ternstr?m wrote: > I've set up eth1.1 - 5 and addressed them with separate 192.168.* > networks. > The Cisco 3500XL is configured for trunking with dot1q on fa0/1. I guess you know that VLAN 1 always is the default VLAN in Cisco equipment, meaning that all untagged packets on ports not in any VLAN will belong there. > The problem is that when i look at the traffic in iptraf and ping the > router from the switch the ICMP packets come in on eth1, not eth1.1. > Same thing when setting port 0/2 on the switch to vlan 2 and > connecting a computer to it. > DHCP requests incoming on the unaddressed eth1 interface. Sounds like the IOS config is off. But use a hub (NOT switch!), a cross-over cable and a spare computer system to sniff packets from the wire to be sure. //Peter