Date: Tue, 9 Sep 2003 10:58:53 +0100 From: "Dan Hardiker" <dhardiker@eorigen.com> To: <freebsd-java@FreeBSD.org> Cc: freebsd-net@freebsd.org Subject: Re: MPD Issues - Errors and Mysterious Packet Loss Message-ID: <012501c376b8$fa116590$3601a8c0@ws4> References: <00a701c376b6$8e232820$3601a8c0@ws4>
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Probably best you ignore the past post while I go sleep ... should have been aimed at freebsd-net@ ... sorry Here you go freebsd-net guys. Sorry for the mess up. ----- Original Message ----- From: "Dan Hardiker" <dhardiker@eorigen.com> To: "Michael Bretterklieber" <mbretter@a-quadrat.at> Cc: <freebsd-java@FreeBSD.org> Sent: Tuesday, September 09, 2003 10:41 AM Subject: Re: MPD Issues - Errors and Mysterious Packet Loss > > try from the XP Box: > > > > ping -l 1500 www.yahoo.de > > > > If you get no reply then try decreasing the ICMP packet size (-l switch), > > until you get a reply. > > Pinging 192.168.1.3 (internal ip of MPD server) from 192.168.1.101 (assigned > ip of xp box) as external traffic isnt routed via vpn's gateway. > > 1500 - no reply x4 > 1400 - no reply x4 > 1300 - no reply x3 + 1 reply on the 3rd attempt > 1200 - no reply x2 + 2 reply on the 1st / 4th attempt > 1100 - no reply x3 + 1 reply on the 2nd attempt > 1000 - no reply x2 + 2 reply on the 1st / 4th attempt > 900 - no reply x3 + 1 reply on the 2nd attempt > 800 - no reply x2 + 2 reply on the 1st / 4th attempt > 700 - no reply x3 + 1 reply on the 2nd attempt > // stopped the pinging for about 5 mins here // > 600 - no reply x1 + 3 reply on the 1st / 2nd / 3rd attempt > 500 - no reply x1 + 3 reply on the 1st / 2nd / 3rd attempt > 400 - no reply x2 + 2 reply on the 1st / 2nd attempt > 300 - no reply x2 + 2 reply on the 1st / 4th attempt > 200 - no reply x2 + 2 reply on the 1st / 4th attempt > 100 - no reply x2 + 2 reply on the 1st / 2nd attempt > 50 - no reply x1 + 3 reply on the 1st / 2nd / 3rd attempt > > Heres a bit of info for you - while I doing some of the duplicate tests > (pinging 1000 more than just 1 set of 4 for example) I though I would try > pinging 192.168.1.101 from the mpd server to see if I could get through. > Heres what I found: > > [10:29:32][root@armadillo]:~$ ping 192.168.1.101 > PING 192.168.1.101 (192.168.1.101): 56 data bytes > ping: sendto: No buffer space available > ping: sendto: No buffer space available > ping: sendto: No buffer space available > 64 bytes from 192.168.1.101: icmp_seq=3 ttl=128 time=0.922 ms > 64 bytes from 192.168.1.101: icmp_seq=4 ttl=128 time=0.889 ms > 64 bytes from 192.168.1.101: icmp_seq=5 ttl=128 time=0.882 ms > 64 bytes from 192.168.1.101: icmp_seq=6 ttl=128 time=0.877 ms > 64 bytes from 192.168.1.101: icmp_seq=7 ttl=128 time=0.871 ms > > NOTE: the TTL on the pings from the XP box are notabley 64 where as the mpd > server has them set to 128 > > Buffer space seems to be running out somewhere? > > PS: I applied the TCP MSS patch, and even with TCP web traffic, Im still > clocking up receiving errors by the dozen. > > I hope that helps > > -- > Dan Hardiker [dhardiker@eorigen.com] > ADAM Systems Engineer > eOrigen Ltd > > _______________________________________________ > freebsd-java@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-java > To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org" > >
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