Scully, William P wrote:
We have reported a similar problem where a Linux server -will- ping a peer on
the same Virtual Switch until such time as the Linux server shuts down and
reboots. After the reboot a Linux server can -no longer- ping another Linux
server on the same Virtual Switch. Odd. But very repeatable. The
circumvention is to shutdown Linux, log the virtual machine off, log back onto
VM, then reboot Linux.
In other words, a virtual machine reIPL leaves to servers unable to speak to
each other, although they can speak to the outside world.
I am suspicious of VM63895. IBM suspects a difference in the VLAN tagging of
the frames. I wonder why a reIPL vs. a logoff/logon should matter, with regard
to VLAN tagging. But I readily admit that this is an area of TCP/IP where I
have limited skills. (PMR 57324 may be of interest to any IBMers.)
Hope this helps!
Presumably, logoff/logon resets the "hardware," like cycling power on my
peecees.
--
Cheers
John
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