Hello, On Tue, Mar 30, 2010 at 6:28 PM, Rick Stevens <ricks@xxxxxxxx> wrote: > On 03/30/2010 12:06 PM, Oliver Ruebenacker wrote: >> Hello, >> >> Since two or three days, my network connection seems to have become >> much slower. Loading websites with Firefox now takes a mutliple of the >> time, and I am having sporadic "no mirrors found" errors with yum. I >> am running F12 on a Dell Latitude D820 laptop, and I am connected by >> wire to a router. There has been no noticeable change on two Windows >> machines connected to the same router. All machines connect via DCHP. >> >> What can I do to diagnose or fix the problem? Thanks! > > First, "ifconfig -a" and look at the error counts for each interface. > If you see a lot, then you start looking at hardware (bad cables, dirty > or loose connectors, flakey NICs, etc.). > > If the errors look OK, have a look at your (DSL|cable) modem's > statistics and see if there's something odd going on at the WAN side > of things. If using cable modem or DSL, you may need to reboot your > router and/or modem. I make a habit of doing that every six months > or so. > > If you're running nscd, purge your nscd DNS cache ("nscd -i hosts"). ifconfig shows no errors. I restarted the router and did nscd -i hosts, and it got worse. Now, opening some pages (e.g. BBC News) takes more than half a minute. The Windows machines connected to the same router, on the other hand, load web pages just fine. Take care Oliver -- Oliver Ruebenacker, Computational Cell Biologist Systems Biology Linker at Virtual Cell (http://vcell.org/sybil) Turning Knowledge Data into Models Center for Cell Analysis and Modeling http://www.oliver.curiousworld.org -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines