----- Original Message ----- From: "Antony Stone" <Antony@xxxxxxxxxxxxxxxxxxxx> To: <netfilter@xxxxxxxxxxxxxxxxxxx> Sent: Monday, June 14, 2004 3:05 PM Subject: Re: iptables for backup connection > On Monday 14 June 2004 10:56 am, david@xxxxxxxxxxxxxxxxxxxx wrote: > > > Dear all, > > In my office i using 2 connection (Wireless connection direct to ISP "A" > > and backup connection to ISP "B" with ADSL Modem), how to configure Linux > > iptables (gateway) so when connection to ISP "A" down client can still > > work with ISP "B" without reconfiguration at client computer. > > This is not a firewalling question; this is a routing question. > > The tool you need to set this up is iproute2. See http://lartc.org for > details. > Yup ... iproute2 , for routing path definition iptables , for NAT change and BASH for connection testing and "puting it all together" Sincerely -bino-