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xen-users
[Xen-users] Multiple IPs in a domU
I've been trying to make multiple public IP addresses work in a domU,
and have been unable to do it. I've tried every method mentioned in
the xenu-users archive as well as through a lot of stuff mentioned in
google.
I've tried using eth0:1, etc, and also eth0, eth1 with multiple vif's
in the domU config file.
Basically, the IP assigned to eth0 always works right away, from the
outside world, but the ip assigned to eth1 does not work until I
force eth1 to make an outgoing connection. Then the IP works. So,
it's a MAC/ARP issue.
But why isn't the MAC for eth1 being announced? I've tried specifying
the IPs in the domU config various ways and that also didn't help.
This is on Fedora Core 6, using Xen 3.0.3. domU is also FC6 using the
same kernel. kernel is 2.6.19-1.2911.fc6xen. Below is a bunch more
info, please tell me if I've forgotten to include anything.
domU config file:
name = "gadgeteer"
memory = "512"
disk = [ 'phy:vg0/VM_gadgeteer,xvda1,w','phy:vg0/
VM_gadgeteer_swap,xvdb1,w' ]
vif = [ 'bridge=xenbr1, mac=00:16:3E:6A:24:16', 'bridge=xenbr1,
mac=00:16:3E:19:F3:01' ]
nographic=1
uuid = "8541a049-0168-2bae-9d8d-b47172f520ad"
bootloader="/usr/bin/pygrub"
vcpus=1
on_reboot = 'restart'
on_crash = 'restart'
ifconfig -a on dom0:
eth0 Link encap:Ethernet HWaddr 00:30:48:32:53:44
inet addr:*SENSORED* Bcast:XXXXXXXXXX Mask:255.255.255.192
inet6 addr: fe80::230:48ff:fe32:5344/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:448 errors:0 dropped:0 overruns:0 frame:0
TX packets:1738 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:134781 (131.6 KiB) TX bytes:125574 (122.6 KiB)
Base address:0x2000 Memory:c8200000-c8220000
eth1 Link encap:Ethernet HWaddr 00:30:48:32:53:45
inet addr:*SENSORED* Bcast:XXXXXXXXXXXX Mask:
255.255.255.248
inet6 addr: fe80::230:48ff:fe32:5345/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3741 errors:0 dropped:0 overruns:0 frame:0
TX packets:2007 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:324481 (316.8 KiB) TX bytes:387326 (378.2 KiB)
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:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:560 (560.0 b) TX bytes:560 (560.0 b)
peth1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:58430 errors:0 dropped:0 overruns:0 frame:0
TX packets:42600 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:7298901 (6.9 MiB) TX bytes:6151916 (5.8 MiB)
Base address:0x2020 Memory:c8220000-c8240000
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
veth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
veth2 Link encap:Ethernet HWaddr 00:00:00:00:00:00
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:0
veth3 Link encap:Ethernet HWaddr 00:00:00:00:00:00
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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif0.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:29682 errors:0 dropped:0 overruns:0 frame:0
TX packets:47312 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4244090 (4.0 MiB) TX bytes:4865658 (4.6 MiB)
vif0.2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif0.3 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif18.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:314 errors:0 dropped:0 overruns:0 frame:0
TX packets:473 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:32407 (31.6 KiB) TX bytes:36039 (35.1 KiB)
vif18.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:689 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:524 (524.0 b) TX bytes:64868 (63.3 KiB)
vif19.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:73 errors:0 dropped:0 overruns:0 frame:0
TX packets:97 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:5423 (5.2 KiB) TX bytes:8461 (8.2 KiB)
vif19.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:75 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:524 (524.0 b) TX bytes:6322 (6.1 KiB)
xenbr1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
RX packets:1563 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:84662 (82.6 KiB) TX bytes:0 (0.0 b)
brctl show output:
bridge name bridge id STP enabled interfaces
xenbr1 8000.feffffffffff no vif19.1
vif19.0
vif18.1
vif18.0
peth1
vif0.1
ifconfig -a on domU:
eth0 Link encap:Ethernet HWaddr 00:16:3E:5A:B3:AA
inet addr:*SENSORED public IP1* Bcast:XXXXXXXXXX Mask:
255.255.255.0
inet6 addr: fe80::216:3eff:fe5a:b3aa/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:101 errors:0 dropped:0 overruns:0 frame:0
TX packets:73 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8761 (8.5 KiB) TX bytes:6445 (6.2 KiB)
eth1 Link encap:Ethernet HWaddr 00:16:3E:25:72:BA
inet addr:*SENSORED public IP2* Bcast:XXXXXXXXXXX Mask:
255.255.255.0
inet6 addr: fe80::216:3eff:fe25:72ba/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:79 errors:0 dropped:0 overruns:0 frame:0
TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6622 (6.4 KiB) TX bytes:678 (678.0 b)
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:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:560 (560.0 b) TX bytes:560 (560.0 b)
Dan Parsons
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