On Sunday 03 August 2008 22:36:00 you wrote: > On Sun, Aug 03, 2008 at 09:43:15PM +0200, Chris Cohen wrote: > > Paul de Weerd wrote: > >> On Sun, Aug 03, 2008 at 11:07:42AM +0200, Chris Cohen wrote: > >> | Hi, > >> | > >> | | I have a small openbsd router running in my network. > >> | > >> | I have vlan10 (my lan), vlan11 (w-lan) and tun0/1 (openvpn tap > >> | devices). I bridged them all toghether on bridge0. Only vlan10 has an > >> | ip address. (10.1.16.1) > >> | Now I want dhcpd to assign 10.1.16.0/24 on all four interfaces, but it > >> > >> just | does on vlan10. All i get is Can't listen on vlan11/tap0/tap1. It > >> has no IP | Address. > >> > >> | Also.. since all interfaces are bridged, shouldn requests on vlan11 or > >> > >> tun0 | reach vlan10 where dhcpd does listen? They do not... > >> > >> You probably want to configure the IP address on the bridge interface > >> and have dhcpd listen there. > > > > $ sudo ifconfig bridge0 10.1.16.100 > > ifconfig: SIOCAIFADDR: Inappropriate ioctl for device > > > > If I remember right I asked that a few years ago... the answer was: > > assign the IP address to one of the bridged interfaces, a bridge is a > > layer2 device. Isn't this true any longer? > > Ugh, I'm an idiot .. bridge != trunk .. I apologize. :)
> Yes, you should configure the IP address on one of the bridge > interfaces, and then dhcpd *should* listen only on that interface. > > Can you tcpdump on some of your interfaces when trying to get a lease > to see what is going on ? $ sudo tcpdump -i vlan11 tcpdump: listening on vlan11, link-type EN10MB 07:12:19.643623 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0x1a656058 flags:0x8000 [|bootp] 07:12:22.643563 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0x1a656058 secs:768 flags:0x8000 [|bootp] 07:12:30.645298 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0x1a656058 secs:2816 flags:0x8000 [|bootp] 07:12:44.884417 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0x1a656058 secs:6656 flags:0x8000 [|bootp] $ sudo tcpdump -i bridge0 tcpdump: listening on bridge0, link-type EN10MB 07:13:50.405377 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0xbe1ac21c flags:0x8000 [|bootp] 07:13:53.413579 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0xbe1ac21c secs:768 flags:0x8000 [|bootp] 07:14:01.404793 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0xbe1ac21c secs:2816 flags:0x8000 [|bootp] 07:14:16.407810 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0xbe1ac21c secs:6656 flags:0x8000 [|bootp] $ sudo tcpdump -i vlan10 [all my lan traffic but not bootpc] If I run dhclient on a pc in vlan10 I get: $ sudo tcpdump -i vlan10 port bootpc tcpdump: listening on vlan10, link-type EN10MB 07:20:24.867674 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0xe29ba5c [| bootp] [tos 0x10] 07:20:24.868464 10.1.16.1.bootps > 10.1.16.10.bootpc: xid:0xe29ba5c Y:10.1.16.10 S: 10.1.16.1 [|bootp] [tos 0x10] -- Thank you Chris
