Xen project Mailing List

RE: [Xen-devel] Networking problems at xend start

To: "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>

From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>

Date: Tue, 30 Aug 2005 03:20:16 +0100

Cc: "Magolan, John F" <John.Magolan@xxxxxxxxxx>, "Davis, Jason" <jason.davis@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx>, "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>

Delivery-date: Tue, 30 Aug 2005 02:18:23 +0000

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Thread-index: AcWqg/3LR8HdTMgaR6WyGZxFgRAn2gChSBkQ

Thread-topic: [Xen-devel] Networking problems at xend start

> I am noticing that when I bring up xend on a machine with 2 > ethernet cards, Dom 0 loses networking. I can still see the > machine from within the subnet it belongs to, but it has no > visibility outside. How do you normally get the default gateway in your setup? Is it specified in one of the ifcfg-eth[01] files, or in /etc/sysconfig/network ? Without starting xend, what happens if you do "ifdown eth0; ifup eth0". My guess is you'll loose the default route. Ian > The machine has a Dell 82545M Gigabit Ethernet controller set > up as eth0 and an intel Etherexpress pro 100 server adapter > set up as eth1. > > I have included the ifconfig output before and after xend start. > I have also included netstat-rn output with and without the > intel eepro100 > > I don't see any messages on the serial output. > > Is any one else seeing similar problems? > > Raj > > ---------------ifconfig before xend start > > eth0 Link encap:Ethernet HWaddr 00:0F:1F:8D:00:72 > inet addr:192.63.245.69 Bcast:192.63.245.255 > Mask:255.255.255.0 > UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:9160 errors:0 dropped:0 overruns:0 frame:0 > TX packets:14957 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:603281 (589.1 Kb) TX bytes:20736627 (19.7 Mb) > Base address:0xdcc0 Memory:dfee0000-dff00000 > > eth1 Link encap:Ethernet HWaddr 00:90:27:B6:9D:02 > inet addr:192.63.245.56 Bcast:192.63.245.255 > Mask:255.255.255.0 > UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:397 errors:0 dropped:0 overruns:0 frame:0 > TX packets:3 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:36956 (36.0 Kb) TX bytes:692 (692.0 b) > > 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:15195 errors:0 dropped:0 overruns:0 frame:0 > TX packets:15195 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:8895385 (8.4 Mb) TX bytes:8895385 (8.4 Mb) > > ----------------ifconfig after xend start > eth0 Link encap:Ethernet HWaddr 00:0F:1F:8D:00:72 > inet addr:192.63.245.69 Bcast:192.63.245.255 > Mask:255.255.255.0 > UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:78 errors:0 dropped:0 overruns:0 frame:0 > TX packets:3 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:6102 (5.9 Kb) TX bytes:1240 (1.2 Kb) > > eth1 Link encap:Ethernet HWaddr 00:90:27:B6:9D:02 > inet addr:192.63.245.56 Bcast:192.63.245.255 > Mask:255.255.255.0 > UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:1423 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1368 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:101651 (99.2 Kb) TX bytes:1677335 (1.5 Mb) > > 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:20951 errors:0 dropped:0 overruns:0 frame:0 > TX packets:20951 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:10742785 (10.2 Mb) TX bytes:10742785 (10.2 Mb) > > peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1 > RX packets:9855 errors:0 dropped:0 overruns:0 frame:0 > TX packets:15814 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:651133 (635.8 Kb) TX bytes:21623556 (20.6 Mb) > Base address:0xdcc0 Memory:dfee0000-dff00000 > > vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3 errors:0 dropped:0 overruns:0 frame:0 > TX packets:78 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:1240 (1.2 Kb) TX bytes:6102 (5.9 Kb) > > xen-br0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:77 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:5712 (5.5 Kb) TX bytes:0 (0.0 b) > > > ----------ifconfig after xend start with only 1 nic > > eth0 Link encap:Ethernet HWaddr 00:0F:1F:8D:00:72 > inet addr:192.63.245.69 Bcast:192.63.245.255 > Mask:255.255.255.0 > UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 > Metric:1 > RX packets:297 errors:0 dropped:0 overruns:0 frame:0 > TX packets:297 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:20561 (20.0 Kb) TX bytes:171020 (167.0 Kb) > > 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:14715 errors:0 dropped:0 overruns:0 frame:0 > TX packets:14715 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:8830936 (8.4 Mb) TX bytes:8830936 (8.4 Mb) > > peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1 > RX packets:9883 errors:0 dropped:0 overruns:0 frame:0 > TX packets:17040 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:709060 (692.4 Kb) TX bytes:24438245 (23.3 Mb) > Base address:0xdcc0 Memory:dfee0000-dff00000 > > vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:297 errors:0 dropped:0 overruns:0 frame:0 > TX packets:297 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:171020 (167.0 Kb) TX bytes:20561 (20.0 Kb) > > xen-br0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:66 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:6148 (6.0 Kb) TX bytes:0 (0.0 b) > > > ---------------Netstat with 2 ethernet cards before xend starts > > Kernel IP routing table > Destination Gateway Genmask Flags MSS > Window irtt > Iface > 192.63.245.0 0.0.0.0 255.255.255.0 U 0 0 > 0 > eth0 > 192.63.245.0 0.0.0.0 255.255.255.0 U 0 0 > 0 > eth1 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 > eth0 > 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 > 0 > lo > 0.0.0.0 192.63.245.250 0.0.0.0 UG 0 0 > 0 > eth0 > > --------------Netstat with 2 ethernet cards after xend starts > Kernel IP routing table > Destination Gateway Genmask Flags MSS > Window irtt > Iface > 192.63.245.0 0.0.0.0 255.255.255.0 U 0 0 > 0 > eth1 > 192.63.245.0 0.0.0.0 255.255.255.0 U 0 0 > 0 > eth0 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 > eth0 > 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 > 0 > lo > > -------------Netstat with 1 ethernet card after xend starts > > Kernel IP routing table > Destination Gateway Genmask Flags MSS > Window irtt > Iface > 192.63.245.0 0.0.0.0 255.255.255.0 U 0 0 > 0 > eth0 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 > eth0 > 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 > 0 > lo > 0.0.0.0 192.63.245.250 0.0.0.0 UG 0 0 > 0 > eth0 > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

©2013 Xen Project, A Linux Foundation Collaborative Project. All Rights Reserved.
Linux Foundation is a registered trademark of The Linux Foundation.
Xen Project is a trademark of The Linux Foundation.