On 14/02/2014 10:40 AM, Jim Klimov wrote:
For this configuration there is no proper default, so this
may be the culprit if I guessed correctly. Am I right to
interpret your post as "I did not configure anything special
and just bridged all VM NICs over the same host OS interface"?
I just checked, each VM has a unique MAC address.
Host MAC address for e1000g1 (203.6.241.33):
(output from arp -an)
e1000g1 203.6.241.33 255.255.255.255 SPLA 68:05:ca:16:90:8f
for the VM's
203.6.241.132|134 (this virtual server has two IP addresses)
carl@hostie:~$ arp -an | grep 132
e1000g1 203.6.241.132 255.255.255.255 08:00:27:be:a9:97
carl@hostie:~$ arp -an | grep 134
e1000g1 203.6.241.134 255.255.255.255 08:00:27:be:a9:97
carl@hostie:~$ arp -an | grep 34
e1000g1 203.6.241.34 255.255.255.255 08:00:27:3f:d3:b2
carl@hostie:~$ arp -an | grep 35
e1000g1 203.6.241.35 255.255.255.255 08:00:27:85:b3:d6
All the MAC addresses are unique per VM's ethernet interface. All these
arp outputs match the output from ifconfig on each of the guests.
Under OpenSolaris and later, if you want properly working
bridged interfaces, according to the docs you must create
a VNIC with a unique MAC address, and you must configure
the VM with the same MAC address on its virtual hardware
NIC which is bridged over this dedicated VNIC on the host.
That should happen automagically. The guest should pick up the MAC
address from Virtualbox. It has in this instance. If it didn't, I
would see problems a lot earlier than after a week or so, right?
If you need VLANs, let the host VNIC take care of that...
and I am not sure if you can pass multiple VLANs to one
virtual NIC this way (or should rather create one per VLAN).
I'm not using VLANs, these are just bridged ethernet ports. Unless
*maybe* the problem is two IP addresses for the one ethernet on one of
the servers? That would have to be a bug if it is a problem, ethernet
ports should be able to handle multiple IP addresses.
Am I on the right track? A bug or a misconfiguration?
thanks again,
Carl
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