Manish Kathuria wrote: > > The idea is to switch between multiple internet links for the same > internal network, without making frequent changes to /etc/resolv.conf. > The ISPs here don't allow DNS look ups from an IP not belong to their > address, so a number of look up requests get denied when the outgoing > connection is through another ISP. Of course, I can run a caching > nameserver on the small network or use Open DNS servers but that adds to > the delay. > not half as bad as having every lookup try and go to the first server in /etc/resolv.conf, then fail, and try the 2nd, repeating until one resolves. sounds like you should be running a caching name server, maybe even something thats aware of your ISP multiplexing scheme so it can dynmically choose forwarders a local caching name server shouldn't add any significant delay, and will greatly speed up frequent lookups.