On Mon, Aug 25, 2008 at 9:39 PM, Andrew Lentvorski <[EMAIL PROTECTED]>wrote:
> Bob La Quey wrote: > >> Hola amigos, >> >> I dunno if it is just my laptop which is admittedly not the latest and >> greatest or more likely the config/drivers but I seem to lose DNS >> connection from time to time. It may depend on the WiFi traqffic load. >> I just do not know. >> >> Look at this >> >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=1933 ttl=255 time=113 >> ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=1935 ttl=255 >> time=92.1 ms >> >>> From boblq-laptop.local (10.0.1.154) icmp_seq=1973 Destination Host >>> Unreachable >>> From boblq-laptop.local (10.0.1.154) icmp_seq=1974 Destination Host >>> Unreachable >>> >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=1975 ttl=255 >> time=45.1 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=1993 ttl=255 >> time=36.8 ms >> >> WTF? >> >> And this >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2124 ttl=255 >> time=1.61 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2125 ttl=255 >> time=4684 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2126 ttl=255 >> time=3689 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2127 ttl=255 >> time=2692 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2128 ttl=255 >> time=1699 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2129 ttl=255 time=765 >> ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2130 ttl=255 >> time=9.36 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2131 ttl=255 >> time=24.5 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2133 ttl=255 >> time=18.7 ms >> 64 bytes from Extreme-II.local (10.0.1.1): icmp_seq=2134 ttl=255 >> time=96.5 ms >> >> >> Whooo hoo. >> >> dig shows only one DNS at 10.0.1.1 ... >> >> Is losing DNS common in such an environment? >> > > Probably. Isn't DNS sent on UDP? Consequently, it doesn't have a > retransmit. So, given the packet loss you're seeing, it's likely that a UDP > packet will get dumped every now and then and the DNS timeout will have to > fire. > > -a > Why not run a local dns cache on your laptop? -- Mark Schoonover, CMDBA http://www.linkedin.com/in/markschoonover http://marksitblog.blogspot.com [EMAIL PROTECTED] 619-368-0099 :: AIM: mschoonov -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
