Hi,
I've bit the bullet and gone with Xen, but I get some odd networking.
Basically, this was the original idea.
eth0 external
eth1 internal
create bridge br0 for eth0
create bridge br1 for eth1
Strip IP addresses for eth0 and eth1 and assign to br0 and br1
respectively. Worked great in a non-xen kernel under Fedora 8 in KVM/Qemu.
Booting into Xen, my eth1 becomes eth2, I also get an eth0.bak and an
eth2.bak! peth2 is sort of explainable I would imagine. So I create a
br0 bridge, give eth0 ip address 0.0.0.0 and give the original IP
address to br0. Despite my ifcfg-eth2 having
DEVICE=eth2
ONBOOT=yes
BOOTPROTO=none
HWADDR=5c:6c:c0:7d:1d:00
NETMASK=255.255.255.0
IPADDR=10.0.0.30
GATEWAY=10.0.0.35
TYPE=Ethernet
The IP address for eth2 seems to be got by DHCP! I've reassigned using
ifconfig eth2 10.0.0.30... which worked.
I've woke up this morning and now eth2 is back to using a DHCP address
while eth0 has now used my static address from eth2 - 10.0.0.30.
I also don't know why I need the additional interfaces, vif1.0, vif1.1,
vif2.0, tap0, tap1 and tap2.
So er, why did eth1 get renamed eth2 in my xen kernel? Why does eth2
keep getting a dynamic address? Why have my IP addresses swapped between
interfaces? Why do I need all those additional interfaces?
Something screwy here, but let me know what else I can provide.
Fedora Core 8 i386, on AMD 3500, 2 x Network Cards - eth2 is reported as
my mainboard network card (nVidia nforce 1 Gigabit), eth0 is reported
correctly as my 3Com - Direct connection to ADSL Router.
Here's some log details.... from messages
Cheers
Simon
Jun 9 20:34:43 rutsey kernel: udev: renamed network interface eth0 to eth2
Jun 9 20:34:46 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0
.93.
Jun 9 20:34:46 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:34:46 rutsey avahi-daemon[2150]: Registering new address
record for fe80::5e6c:c0ff:fe7d:1d00 on eth2.*.
Jun 9 20:34:46 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.93 on eth2.
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0
.93.
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Withdrawing address record
for fe80::5e6c:c0ff:fe7d:1d00 on eth2.
Jun 9 20:34:55 rutsey kernel: device peth2 entered promiscuous mode
Jun 9 20:34:55 rutsey kernel: eth2: port 1(peth2) entering learning state
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93
Jun 9 20:34:55 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:34:55 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 9 20:34:55 rutsey kernel: eth2: topology change detected, propagating
Jun 9 20:34:55 rutsey kernel: eth2: port 1(peth2) entering forwarding state
Jun 9 20:34:55 rutsey dhclient: DHCPREQUEST on eth2 to 255.255.255.255
port 67
Jun 9 20:34:56 rutsey avahi-daemon[2150]: Registering new address
record for fe80::5e6c:c0ff:fe7d:1d00 on peth2.*.
Jun 9 20:34:57 rutsey avahi-daemon[2150]: Registering new address
record for fe80::5e6c:c0ff:fe7d:1d00 on eth2.*.
Jun 9 20:38:47 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.93 on eth2.
Jun 9 20:38:47 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 9 20:38:47 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 9 20:38:47 rutsey avahi-daemon[2150]: Withdrawing address record
for fe80::5e6c:c0ff:fe7d:1d00 on eth2.
Jun 9 20:38:47 rutsey kernel: eth2: port 1(peth2) entering disabled state
Jun 9 20:38:54 rutsey kernel: eth2: port 1(peth2) entering learning state
Jun 9 20:38:54 rutsey kernel: eth2: topology change detected, propagating
Jun 9 20:38:54 rutsey kernel: eth2: port 1(peth2) entering forwarding state
Jun 9 20:38:54 rutsey dhclient: DHCPREQUEST on eth2 to 255.255.255.255
port 67
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.93 on eth2.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:38:54 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 9 20:38:55 rutsey avahi-daemon[2150]: Registering new address
record for fe80::5e6c:c0ff:fe7d:1d00 on eth2.*.
Jun 9 20:41:43 rutsey system-config-network[4298]: chmod 0644
//etc/sysconfig/networking/devices/ifcfg-eth2
Jun 9 20:43:34 rutsey kernel: eth2: port 2(tap0) entering learning state
Jun 9 20:43:34 rutsey kernel: eth2: topology change detected, propagating
Jun 9 20:43:34 rutsey kernel: eth2: port 2(tap0) entering forwarding state
Jun 9 20:43:34 rutsey kernel: eth2: port 3(vif1.0) entering learning state
Jun 9 20:43:34 rutsey kernel: eth2: topology change detected, propagating
Jun 9 20:43:34 rutsey kernel: eth2: port 3(vif1.0) entering forwarding
state
Jun 9 20:51:35 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.93 on eth2.
Jun 9 20:51:35 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 9 20:51:35 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 9 20:51:35 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.30.
Jun 9 20:51:35 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:51:35 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.30 on eth2.IPv4.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.30 on eth2.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.30.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.30.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 9 20:51:56 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.30 on eth2.IPv4.
Jun 9 21:11:00 rutsey kernel: eth2: port 4(tap2) entering learning state
Jun 9 21:11:00 rutsey kernel: eth2: topology change detected, propagating
Jun 9 21:11:00 rutsey kernel: eth2: port 4(tap2) entering forwarding state
Jun 9 21:11:00 rutsey kernel: eth2: port 5(vif2.0) entering learning state
Jun 9 21:11:00 rutsey kernel: eth2: topology change detected, propagating
Jun 9 21:11:00 rutsey kernel: eth2: port 5(vif2.0) entering forwarding
state
Jun 9 23:12:18 rutsey dhclient: DHCPREQUEST on eth2 to 10.0.0.20 port 67
Jun 10 01:53:55 rutsey dhclient: DHCPREQUEST on eth2 to 255.255.255.255
port 67
Jun 10 02:38:42 rutsey dhclient: DHCPREQUEST on eth2 to 255.255.255.255
port 67
Jun 10 02:38:55 rutsey kernel: eth2: port 5(vif2.0) entering disabled state
Jun 10 02:38:55 rutsey kernel: eth2: port 4(tap2) entering disabled state
Jun 10 02:38:55 rutsey kernel: eth2: port 3(vif1.0) entering disabled state
Jun 10 02:38:55 rutsey kernel: eth2: port 2(tap0) entering disabled state
Jun 10 02:38:55 rutsey kernel: eth2: port 1(peth2) entering disabled state
Jun 10 02:38:55 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.30 on eth2.
Jun 10 02:38:55 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.30.
Jun 10 02:38:55 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 10 02:38:55 rutsey avahi-daemon[2150]: Withdrawing address record
for fe80::5e6c:c0ff:fe7d:1d00 on eth2.
Jun 10 02:38:55 rutsey kernel: eth2: port 5(vif2.0) entering learning state
Jun 10 02:38:55 rutsey kernel: eth2: port 4(tap2) entering learning state
Jun 10 02:38:55 rutsey kernel: eth2: port 3(vif1.0) entering learning state
Jun 10 02:38:55 rutsey kernel: eth2: port 2(tap0) entering learning state
Jun 10 02:38:55 rutsey kernel: eth2: port 1(peth2) entering learning state
Jun 10 02:38:55 rutsey kernel: eth2: topology change detected, propagating
Jun 10 02:38:55 rutsey kernel: eth2: port 5(vif2.0) entering forwarding
state
Jun 10 02:38:55 rutsey kernel: eth2: topology change detected, propagating
Jun 10 02:38:55 rutsey kernel: eth2: port 4(tap2) entering forwarding state
Jun 10 02:38:55 rutsey kernel: eth2: topology change detected, propagating
Jun 10 02:38:55 rutsey kernel: eth2: port 3(vif1.0) entering forwarding
state
Jun 10 02:38:55 rutsey kernel: eth2: topology change detected, propagating
Jun 10 02:38:55 rutsey kernel: eth2: port 2(tap0) entering forwarding state
Jun 10 02:38:55 rutsey kernel: eth2: topology change detected, propagating
Jun 10 02:38:55 rutsey kernel: eth2: port 1(peth2) entering forwarding state
Jun 10 02:38:55 rutsey dhclient: DHCPDISCOVER on eth2 to 255.255.255.255
port 67 interval 4
Jun 10 02:38:57 rutsey avahi-daemon[2150]: Registering new address
record for fe80::5e6c:c0ff:fe7d:1d00 on eth2.*.
Jun 10 02:38:59 rutsey dhclient: DHCPDISCOVER on eth2 to 255.255.255.255
port 67 interval 8
Jun 10 02:38:59 rutsey dhclient: DHCPREQUEST on eth2 to 255.255.255.255
port 67
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Withdrawing address record
for 10.0.0.93 on eth2.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Leaving mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Interface eth2.IPv4 no longer
relevant for mDNS.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Joining mDNS multicast group
on interface eth2.IPv4 with address 10.0.0.93.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: New relevant interface
eth2.IPv4 for mDNS.
Jun 10 02:38:59 rutsey avahi-daemon[2150]: Registering new address
record for 10.0.0.93 on eth2.IPv4.
Jun 10 06:59:35 rutsey system-config-network[7661]: chmod 0644
//etc/sysconfig/networking/devices/ifcfg-eth2
Jun 10 07:20:52 rutsey dhclient: DHCPREQUEST on eth2 to 10.0.0.31 port 67
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