I had this problem with my ISP (AT&T cable) a while back. This however was one of many problems with that ISP, and they could never give me an answer as to the cause. Now Comcast has taken over (with a resulting different set of problems). Donald Gudehus Brad Stockdale wrote: > > Hello all, > > I'm having an interesting (at least to me) connectivity problem on one > of my servers, and I've never experienced this particular situation before. > I was wondering if anyone had any words of wisdom about this... > > The server is randomly becoming 'deaf to the world', as it were... It > will be fine one minute, then all of the sudden after a period of being > unused (no incoming connections, pings, etc) it ceases to respond to > incoming ssh's, pop's, smtp's, etc... > > The only thing that will revive it is a ping... Once I ping it once, it > starts working just fine again, until next time it chooses to disappear. > > I guess a more correct way to put it would be: It stops > responding/processing TCP and UDP packets, and only resumes processing them > once it receives an ICMP packet. Once the ICMP comes in, TCP and UDP both > start working like a champ again, for a random amount of time. > > I have checked the arp tables on my gateway router and also on any > boxes that have contact with this machine. All show the correct ip-to-mac > correllation... > > I'm running kernel version 2.4.25, and have gone over the kernel > networking options with a fine tooth comb and haven't found anything out of > the ordinary. > > Has anyone ever seen this type of behavior before? I must admit that I > have been playing around with getting it fixed for a month now and have yet > to be successful... > > Any advice would be greatly appreciated... > > Thanks in advance, > Brad > brad@greenepa.net > > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
