Diagnosing packet loss

Dear All, I am stuck with a machine that shows serious packet loss (about 1% of all traffic is dropped). I tried the obvious (new network cable, different switch port, different ethernet interface on the machine), but the problems remain. Another machine that sits in the same rack and is hooked

Re: Diagnosing packet loss

ferent IP to rule out a dupe ip; else it > must be NIC related - either hardware or driver. Also, perhaps swap cables > and ports with a working machine and see if the problem follows or stays put. > > ----- Original Message - > From: Kees Jan Koster [mailto:kjkos...@gmail.com]

Re: Diagnosing packet loss

sure. Should I just change that to 255.255.255.248 as well? Kees Jan On 22 Nov 2011, at 23:00, Michael Sierchio wrote: > On Tue, Nov 22, 2011 at 1:58 PM, Kees Jan Koster wrote: > >> Thank you for your reply. Your comment about dupe IP triggered something >> that I failed to

Re: Diagnosing packet loss

Dear Mike, >> I am stuck with a machine that shows serious packet loss (about 1% of all >> traffic is dropped). I tried the obvious (new network cable, different >> switch port, different ethernet interface on the machine), but the problems >> remain. > > What is the output of > sysctl -a dev.

Re: Diagnosing packet loss

Dear All, Thank you so much for the excellent suggestions. I can tell some of you have a lot of experience troubleshooting this issue. At this stage I ruled out hardware or network issues. These are server grade network interfaces, new cables and the ifconfig configuration seems in order. nets

diagnosing packetloss: x-files edition

Guys, The packet loss I asked about earlier is getting weirder and weirder. I managed to track this down to being between two specific hosts exclusively. When I run mtr from saffron to cumin I get packet loss reported on all intermediate routers. When I run mtr from cumin to saffron I get packe

Perl error in Munin after upgrading Perl

Dear All, Munin stopped working after I switched to Perl 5.16 on FreeBSD 9.1. I rebuilt all ports that depend on Perl. What did I do wrong? Can't locate IO/Socket/INET6.pm in @INC (@INC contains: /usr/local/lib/perl5/5.16/BSDPAN /usr/local/lib/perl5/site_perl/5.16/mach /usr/local/lib/perl5/sit

making my USB key work with FreeBSD

ist. Thank youy. ------- Kees Jan Koster e-mail: kjkoster "at" kjkoster.org www: http://www.kjkoster.org/ ---

On-board Promise controller

y displays ad0 and ad2 as installation targets. Please keep me CC-d as I am not subscribed to this list. Thank you in advance, Yours, Kees Jan ------- Kees Jan Koster e-mail: kjkoster "at" kjkoster.org

Re: Opera 7b4 does not render frames properly

eeing. Thank you for the prompt response. Yours, Kees Jan ----------- Kees Jan Koster e-mail: kjkoster "at" kjkoster.org www: http://www.kjkoster.org/ --

Opera 7b4 does not render frames properly

Kees Jan ------- Kees Jan Koster e-mail: kjkoster "at" kjkoster.org www: http://www.kjkoster.org/ --- Life is uncertai

GDM Greeter cores on FreeBSD

s Jan --- Kees Jan Koster e-mail: kjkoster "at" kjkoster.org www: http://www.kjkoster.org/ --- Life is uncertain; ea

Opera print issues

t for additional effect My platform is a very recent FreeBSD-stable, Opera 7.20 B7, Cups 1.1.19. Yours, Kees Jan --- Kees Jan Koster e-mail: kjkoster

Recording with my sound card...

t;invalid playback device". Both playback and recording devices are set to "/dev/dsp". This device exists. Platform is a recent -stable. -- Yours, Kees Jan ------- Kees Jan Koster e-mail: kjkoster "at"

Re: Opera print issues

Dear Karel, I read about Opera dumping core quite a bit, but I believe that 7.20 Bx fixes that problem mostly. It hardly ever dumps core on me. In fact, I think 7.20 has been stable, save for the issues I reported earlier. Kees Jan ___ [EMAIL PROTECTED]