Thanks Antoine and Stuart for your replies.
On 13/07/07, Stuart Henderson  wrote:

quoted text
> let's see what tricks this particular router is playing with

> 'half bridge'... (full bridge and pppoe is usually easier when

> your ISP supports it): run this and fire off a dhclient

>

> # tcpdump -vvniurl0 -os2000 port bootps or port bootpc

>

The problem is that I can't run tcpdump on boot, before the dhcp

allocation fails. Once the machine has booted, it can get dhcp fine :(

I tried removed the /etc/mygate file because I thought that could

interfere, but that made no difference either :(

No matter who I try to ping (well, just my ISPs name servers;

www.google.com obviously fails) it always comes back with "sendto: No

route to host". I can't even traceroute!!

Maybe the modem's half bridging is broken, and I need to use full

bridged mode. Is that what is normally suggested? I can't find any

resources for half bridging PF gateways (or iptables for that matter).

Or is dhclient not working properly? I'm using some slightly stranger

hardware - it's a usb network thing. Could that make a difference?