To add to the above: the Linux firewall is providing DHCP to the internal network, both wired and wireless, and that appears to be working OK. The switch is a Netgear GS308, an unmanaged gigabit...

Hello! Here's a basic idea of the network layout: |VDSL | |Linux | |Gigabit| ----|modem|----|firewall|----|switch | | | +--+--+ ...

I've always had some odd connectivity problems between my wired and wireless networks, through a WA801ND running in Access Point mode. I've been doing some wiresharking and I've managed to narrow...