<html><body bgcolor="#FFFFFF"><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); "><blockquote type="cite"><div>"enhanced interrogation techniques"</div></blockquote><div> </div>Thought waterboarding colleagues<span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.273438); -webkit-composition-fill-color: rgba(175, 192, 227, 0.207031); -webkit-composition-frame-color: rgba(77, 128, 180, 0.207031); "> was a bad thing?</div><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.269531); -webkit-composition-fill-color: rgba(175, 192, 227, 0.203125); -webkit-composition-frame-color: rgba(77, 128, 180, 0.203125);"> </div><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.265625); -webkit-composition-fill-color: rgba(175, 192, 227, 0.199219); -webkit-composition-frame-color: rgba(77, 128, 180, 0.199219);">Cheers,</div><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.261719); -webkit-composition-fill-color: rgba(175, 192, 227, 0.195312); -webkit-composition-frame-color: rgba(77, 128, 180, 0.195312);">E</div><div> Sent from my iPhone</div><div> On Feb 20, 2010, at 1:04 PM, Jim Tarvid <<a href="mailto:tarvid@ls.net">tarvid@ls.net</a>> wrote: </div><div></div><blockquote type="cite"><div>Using enhanced interrogation techniques, my partner has admitted manually causing these symptoms (except the cable cut) and not sending an email. <div class="gmail_quote">On Fri, Feb 19, 2010 at 8:35 AM, Jim Tarvid <<a href="mailto:tarvid@ls.net"><a href="mailto:tarvid@ls.net">tarvid@ls.net</a></a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">root@helen:~# uname -a Linux helen 2.6.28-17-generic #58-Ubuntu SMP Tue Dec 1 21:27:25 UTC 2009 x86_64 GNU/Linux This box has two Ethernet interfaces. The onboard nic - eth0 - connects to a Ciena 3290 and the Internet. A cable cut in our upstream infrastructure yesterday resulted in eth0 and eth2 going down, eth0 coming up but eth2 remaining down until a reboot.<div class="im"> Feb 18 10:26:27 helen kernel: [3251918.453137] r8169: eth0: link down Feb 18 10:26:30 helen kernel: [3251921.244552] r8169: eth0: link up Feb 18 10:26:31 helen kernel: [3251922.156904] eth2: link down Feb 18 21:50:17 helen syslogd 1.5.0#5ubuntu3: restart. Feb 18 21:50:18 helen kernel: Inspecting /boot/System.map-2.6.28-17-generic </div>The upstream provider says the Ciena 3290 did not get a mac address from eth0 (ARP failure?) On reboot dmesg says eth2 above is now eth1. root@helen:~# dmesg | grep eth [ 1.329422] Driver 'sd' needs updating - please use bus_type methods [ 1.329430] Driver 'sr' needs updating - please use bus_type methods [ 4.289752] eth0: RTL8168c/8111c at 0xffffc200100cc000, 00:25:11:30:71:64, XID 3c4000c0 IRQ 2301 [ 4.309690] eth1: RealTek RTL8139 at 0xe800, 00:0e:2e:55:a1:ed, IRQ 22 [ 4.309692] eth1: Identified 8139 chip type 'RTL-8100B/8139D' [ 9.186289] udev: renamed network interface eth1 to eth2 [ 12.338871] r8169: eth0: link up [ 12.338876] r8169: eth0: link up [ 12.340735] eth2: link up, 100Mbps, full-duplex, lpa 0x43E1 but ifconfig and route report the usual devices eth0 Link encap:Ethernet HWaddr 00:25:11:30:71:64 inet addr:208.94.92.222 Bcast:208.94.92.223 Mask:255.255.255.252 inet6 addr: fe80::225:11ff:fe30:7164/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1174879 errors:0 dropped:0 overruns:0 frame:0 TX packets:1230138 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:103241356 (103.2 MB) TX bytes:376658406 (376.6 MB) Interrupt:253 Base address:0xc000 eth0:0 Link encap:Ethernet HWaddr 00:25:11:30:71:64 inet addr:208.94.89.129 Bcast:208.94.89.191 Mask:255.255.255.192 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:253 Base address:0xc000 eth0:1 Link encap:Ethernet HWaddr 00:25:11:30:71:64 inet addr:208.94.89.130 Bcast:208.94.89.191 Mask:255.255.255.192 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:253 Base address:0xc000 eth2 Link encap:Ethernet HWaddr 00:0e:2e:55:a1:ed inet addr:172.17.100.5 Bcast:172.17.100.7 Mask:255.255.255.252 inet6 addr: fe80::20e:2eff:fe55:a1ed/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2703 errors:0 dropped:0 overruns:0 frame:0 TX packets:9097 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:393990 (393.9 KB) TX bytes:3868877 (3.8 MB) Interrupt:22 Base address:0xe800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:17791 errors:0 dropped:0 overruns:0 frame:0 TX packets:17791 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1763424 (1.7 MB) TX bytes:1763424 (1.7 MB) root@helen:~# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.17.100.4 * 255.255.255.252 U 0 0 0 eth2 208.94.92.220 * 255.255.255.252 U 0 0 0 eth0 208.94.89.192 172.17.100.6 255.255.255.192 UG 0 0 0 eth2 10.4.0.0 172.17.100.6 255.255.255.0 UG 0 0 0 eth2 10.5.0.0 172.17.100.6 255.255.255.0 UG 0 0 0 eth2 default 208.94.92.221 0.0.0.0 UG 100 0 0 eth0 root@helen:/etc/network# cat interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth0 #iface eth0 inet dhcp # Alias for Internet access via primary interface # Added to /etc/network/interfaces in preparation of cutover # Uncomment the next seven lines auto eth0 iface eth0 inet static address 208.94.92.222 netmask 255.255.255.252 broadcast 208.94.92.223 network 208.94.92.220 gateway 208.94.92.221 auto eth0:0 iface eth0:0 inet static address 208.94.89.129 netmask 255.255.255.192 broadcast 208.94.89.191 network 208.94.89.128 auto eth0:1 iface eth0:1 inet static address 208.94.89.130 netmask 255.255.255.192 broadcast 208.94.89.191 network 208.94.89.128 auto eth2 iface eth2 inet static address 172.17.100.5 netmask 255.255.255.252 up ip route add <a href="http://208.94.89.192/26" target="_blank">208.94.89.192/26</a> via 172.17.100.6 up ip route add <a href="http://10.4.0.0/24" target="_blank">10.4.0.0/24</a> via 172.17.100.6 up ip route add <a href="http://10.5.0.0/24" target="_blank">10.5.0.0/24</a> via 172.17.100.6 Several questions: 1) would an upgrade to 9.10 help? 2) is there a simple watchdog that would test upstream connectivity periodically and bounce the interface is there is none 3) same for downstream? 4) can the link down for eth2 be prevented? 5) is there a way to refresh detection of eth2? Seems like Hotel California. I am stuck in Networking 101. TIA Jim<div><div></div><div class="h5"> -- Rev. Jim Tarvid, PCA <a href="http://ls.net" target="_blank"><a href="http://ls.net">http://ls.net</a></a> <a href="http://drupal.ls.net" target="_blank"><a href="http://drupal.ls.net">http://drupal.ls.net</a></a> <a href="http://crossleft.org" target="_blank"><a href="http://crossleft.org">http://crossleft.org</a></a> </div></div></blockquote></div> -- Rev. Jim Tarvid, PCA <a href="http://ls.net"><a href="http://ls.net">http://ls.net</a></a> <a href="http://drupal.ls.net"><a href="http://drupal.ls.net">http://drupal.ls.net</a></a> <a href="http://crossleft.org"><a href="http://crossleft.org">http://crossleft.org</a></a> </div></blockquote><blockquote type="cite"><div>-- ubuntu-server mailing list <a href="mailto:ubuntu-server@lists.ubuntu.com">ubuntu-server@lists.ubuntu.com</a> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-server">https://lists.ubuntu.com/mailman/listinfo/ubuntu-server</a> More info: <a href="https://wiki.ubuntu.com/ServerTeam"><a href="https://wiki.ubuntu.com/ServerTeam">https://wiki.ubuntu.com/ServerTeam</a></a></div></blockquote></body></html>