Hi,
Ive got squid proxy server running on a CentOS 4.4 machine. This proxy server is connected to the internet through a Sonicwall PRO3060 firewall machine.
We have got three different ISP lines, one of which is used by squid. All the three lines terminate at the firewall. One of these links then goes to the squid server.
Many a times it happens that the internet link on the squid line goes down, because of which we have to switch the squid server on to one of the remaining ISP lines.
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I was planning a setup in which an extra NIC would be attached to the squid server. This NIC would be connected to a different ISP line, so that when one link goes down, the squid proxy server automatically switches on to the next line, wherein the LAN users dont get to feel the difference while browsing. Also, when the original link gets restored, the squid server automatically switches back on to the original link
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My current setup requires me to deny access to the squid server till the time it is up again.
Is this setup possible? And if yes, can you please tell me how or point me to the necessary resources.
Thanks
Danish
