Greetings Martin, Did the customer move one of the devices to another port on the network? Mismatched NIC (MAC address) somewhere on the network?
-- Virtually, Tom Weniger On 9/7/07, Martin Glazer <[EMAIL PROTECTED]> wrote: > Hi, > > I'm going to try and run mtr for a while and see what that comes up with. > > this is not a complicated network - about 35 devices connected to a new > 48 port managed switch with another small switch connecting 5 devices > upstairs, central Linux server and linux firewall to DSL connection. The > issues are not related to external communications, all internal. > > Primary traffic on the switch is UDP and when I do netstat -su on the > Linux server, this is what I get: > qbx-dump # netstat -su > Udp: > 9684190 packets received > 38037 packets to unknown port received. > 130595 packet receive errors > 9191528 packets sent > > The packet receive errors and the packets to unknown ports are the ones > that concern me - doing research on the 'net points to network errors, > so back to my original thought - that it is a network error but how do I > track it down? > > Martin > > Tom Weniger wrote: > > Greetings Martin, > > > > I agree with Shawn that the problem requires some grunt work. Start > > off with a visual inspection of the network. Who knows if the > > installer stapled the cat5 cable somewhere or if it was punctured by a > > ceiling tile stringer? > > > > > > _______________________________________________ clug-talk mailing list [email protected] http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying

