Hi
I''ve got a (gentoo) box set up for xen, 2.6.21-xen kernel as per
portage about
2 weeks ago. Already got all my guests set up and almost good to go, except
for very erratic networking issues. Networking on the domU''s does not
always
work. I have set up two physical adapters, and bridged both (by use of the
modified network-bridge script from the archives) adapters for use with the
domU''s. The domU''s all have unique MAC addresses for each
adapter assigned to
it, manually specified in the config file. The problem I''m having is
that
most of the time I seem unable to have any TCP/IP traffic pass through/out
over the Xen interfaces, even though it has worked once or twice. I have also
ruled out wonky network cards as the source of the problem, as I can utilize
any of them extensively without an issue from the dom0.
Terminal output:
mnemosyne ~ # xm console jhb-svr2
jhb-svr2:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:16:3E:01:01:01
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
eth1 Link encap:Ethernet HWaddr 00:16:3E:01:01:04
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
jhb-svr2:~# dhclient eth0
Internet Systems Consortium DHCP Client V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth0/00:16:3e:01:01:01
Sending on LPF/eth0/00:16:3e:01:01:01
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
^C
jhb-svr2:~# ifconfig eth0 10.0.2.43 netmask 255.255.252.0 up
jhb-svr2:~# ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
--- 10.0.0.2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms
jhb-svr2:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:16:3E:01:01:01
inet addr:10.0.2.43 Bcast:10.0.3.255 Mask:255.255.252.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:13 errors:0 dropped:0 overruns:0 frame:0
TX packets:62 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:406 (406.0 b) TX bytes:8491 (8.2 KiB)
And then on the dom0:
mnemosyne ~ # ifconfig vif1.0
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:62 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:2 overruns:0 carrier:0
collisions:0 txqueuelen:32
RX bytes:7623 (7.4 Kb) TX bytes:588 (588.0 b)
mnemosyne ~ # ifconfig peth0
peth0 Link encap:Ethernet HWaddr 00:1D:7D:4E:E7:06
inet6 addr: fe80::21d:7dff:fe4e:e706/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8205 errors:0 dropped:1289861534 overruns:0 frame:0
TX packets:17 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:719577 (702.7 Kb) TX bytes:1128 (1.1 Kb)
Interrupt:17 Base address:0x4000
Further information regarding the network cards:
eth0: Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 02)
eth1: Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
eth2: Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
eth0 and eth2 are used for the bridging.
Any help would be appreciated.
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