Squid - How to use multiple internet connections

[ReneNZ]

Hi
I have 2 separate networks each with their own ADSL connection. I want to install a proxy on them to reduce bandwidth use but would like to avoid installing 2 proxies. Is there a way that Squid can be told that everything coming in on one network card should go down one link and everything on the other network card should go down the second internet link?

Network Internet
\ /
\ /
Squid
/ \
/ \
Network 2 Internet 2


Thanks René