--- Pablo Limon <[EMAIL PROTECTED]> wrote: > Date: Tue, 8 Jul 2003 13:40:31 -0700 (PDT) > From: Pablo Limon <[EMAIL PROTECTED]> > Subject: Networking Problems > To: [EMAIL PROTECTED] > > Hello, Im new to the list, and I have a new problem, > one that I havent seen before. > I have a pcmcia card, a CNET SiglePoint 10/100 > FastEthernet PCcard atached to a Compaq Presario > 1711LA computer. This is eth1. Eth0 is the internal > Ethernet card and is atached to a ADSL modem. Eth1 > is > the intranet. Suddently something started to go > wrong. > I just cant figure whats that, because I cant thing > of > something I have done. > The intranet started to fail a lot. I send some > pings > of 56Bytes and everythin was ok for the first > paquets, > until more less 10 pakets after the test began, a > paquet intsead of returning in .3ms returned in > 10000ms, the next to 8000ms, next 6000ms or so. That > went for some packets and then again 10 pakets at > .3ms > and the cycle began again. I tested with a ping size > paket of 2048 and the same happened just of instad > .3ms it was 3ms... > But I also tested for values of 1024 and 1500 (the > MTU > value) and then, there where lots of pakets that > never > arrived. (using flood option) and I got this > messages > in kern.log: (at the end Ill post some tests I did) > > Jul 8 14:19:07 pablap kernel: NETDEV WATCHDOG: > eth1: > transmit timed out > Jul 8 14:19:07 pablap kernel: eth1: Tx queue start > entry 32 dirty entry 28. > Jul 8 14:19:07 pablap kernel: eth1: Tx descriptor > 0 > is 00002000. (queue head) > Jul 8 14:19:07 pablap kernel: eth1: Tx descriptor > 1 > is 00002000. > Jul 8 14:19:07 pablap kernel: eth1: Tx descriptor > 2 > is 00002000. > Jul 8 14:19:07 pablap kernel: eth1: Tx descriptor > 3 > is 00002000. > Jul 8 14:19:07 pablap kernel: eth1: Setting 100mbps > full-duplex based on auto-negotiated partner ability > 45e1. > > ------------------- > > pablap:/var/log# ping -s 1024 192.168.30.200 > PING 192.168.30.200 (192.168.30.200): 1024 data > bytes > 1032 bytes from 192.168.30.200: icmp_seq=0 ttl=128 > time=0.9 ms > 1032 bytes from 192.168.30.200: icmp_seq=5 ttl=128 > time=11001.0 ms > 1032 bytes from 192.168.30.200: icmp_seq=6 ttl=128 > time=10001.1 ms > 1032 bytes from 192.168.30.200: icmp_seq=7 ttl=128 > time=9001.1 ms > 1032 bytes from 192.168.30.200: icmp_seq=8 ttl=128 > time=8001.4 ms > 1032 bytes from 192.168.30.200: icmp_seq=9 ttl=128 > time=7002.0 ms > 1032 bytes from 192.168.30.200: icmp_seq=10 ttl=128 > time=6002.0 ms > 1032 bytes from 192.168.30.200: icmp_seq=14 ttl=128 > time=2002.2 ms > 1032 bytes from 192.168.30.200: icmp_seq=15 ttl=128 > time=1002.6 ms > 1032 bytes from 192.168.30.200: icmp_seq=16 ttl=128 > time=2.8 ms > 1032 bytes from 192.168.30.200: icmp_seq=17 ttl=128 > time=0.8 ms > > --- 192.168.30.200 ping statistics --- > 21 packets transmitted, 11 packets received, 47% > packet loss > round-trip min/avg/max = 0.8/4910.7/11001.0 ms > > ------------------ > > I couldnt reproduce what happened when using 56B and > 2048B, in 56B all packets where back in .2ms and in > 2048B where back in 1.1ms exept 2 of 25 that where > back in 56ms > > ---------------- > flood testespablap:/var/log# ping -f -s 56 > 192.168.30.200 > PING 192.168.30.200 (192.168.30.200): 56 data bytes > ... > --- 192.168.30.200 ping statistics --- > 49421 packets transmitted, 49418 packets received, > 0% > packet loss > round-trip min/avg/max = 0.1/0.2/6.1 ms > > ---------------- > pablap:/var/log# ping -f -s 2048 192.168.30.200 > PING 192.168.30.200 (192.168.30.200): 2048 data > bytes > ................................. > --- 192.168.30.200 ping statistics --- > 11679 packets transmitted, 11646 packets received, > 0% > packet loss > round-trip min/avg/max = 0.9/14.3/28.2 ms > > ---------------- > > > pablap:/var/log# ping -f -s 1024 192.168.30.200 > PING 192.168.30.200 (192.168.30.200): 1024 data > bytes > ......................................................... > --- 192.168.30.200 ping statistics --- > 59 packets transmitted, 1 packets received, 98% > packet > loss > round-trip min/avg/max = 18.1/18.1/18.1 ms > > ---------------- > ifconfig: > > pablap:/var/log# ifconfig > eth0 Link encap:Ethernet HWaddr > 00:02:A5:9B:89:09 > inet addr:x.x.x.x Bcast:x.x.x.x > Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:3119 errors:0 dropped:0 > overruns:0 frame:0 > TX packets:3133 errors:0 dropped:0 > overruns:0 carrier:0 > collisions:0 txqueuelen:100 > RX bytes:1722708 (1.6 MiB) TX > bytes:389532 > (380.4 KiB) > Interrupt:9 Base address:0xf000 > > eth1 Link encap:Ethernet HWaddr > 00:10:60:75:30:A6 > inet addr:192.168.30.1 > Bcast:192.168.30.255 > Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:74238 errors:0 dropped:0 > overruns:0 frame:0 > TX packets:74072 errors:0 dropped:0 > overruns:16 carrier:0 > collisions:0 txqueuelen:100 > RX bytes:29954078 (28.5 MiB) TX > bytes:30184567 (28.7 MiB) > Interrupt:10 Base address:0x4000 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:402 errors:0 dropped:0 > overruns:0 > frame:0 > TX packets:402 errors:0 dropped:0 > overruns:0 > carrier:0 > collisions:0 txqueuelen:0 > RX bytes:20312 (19.8 KiB) TX bytes:20312 > (19.8 KiB) > > ppp0 Link encap:Point-to-Point Protocol > inet addr:x.x.x.x P-t-P:x.x.x.x > Mask:255.255.255.255 > UP POINTOPOINT RUNNING NOARP MULTICAST > MTU:1492 Metric:1 > RX packets:2555 errors:0 dropped:0 > overruns:0 frame:0 > TX packets:2499 errors:0 dropped:0 > overruns:0 carrier:0 > collisions:0 txqueuelen:3 > RX bytes:1632530 (1.5 MiB) TX > bytes:302633 > (295.5 KiB) > > It is pppoe... > > --------------- > Any ideas???? any other tests I should include in a > future mail? > Thanks in advance > Pablo E. Limon > > > __________________________________ > Do you Yahoo!? > SBC Yahoo! DSL - Now only $29.95 per month! > http://sbc.yahoo.com > > > -- > To UNSUBSCRIBE, email to > [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact > [EMAIL PROTECTED] >
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