> When you talking about intra-LPAR sharing, do you mean using
> a Guest LAN?
> Or do you mean shared OSA by multiple guests? In the shared
> OSA case, I
> don't know why you would see the MAC change. That's something I would
> expect of Guest LANs.
>
I guess I did say that wrong didn't I? What I meant was that the v6 address
changed, not the MAC. Actually, a little more lookin' has shown that it
DOESN'T always change. (I thought I say it before...)
Here's eth0 and eth1 from guest1:
4: eth1: <BROADCAST,MULTICAST,UP> mtu 1492 qdisc pfifo_fast qlen 100
link/ether 00:02:55:9a:b9:ca brd ff:ff:ff:ff:ff:ff
inet 10.14.3.30/24 brd 10.14.3.255 scope global eth1
inet6 fe80::2:5500:9a:b9ca/64 scope link
5: eth0: <BROADCAST,MULTICAST,UP> mtu 1492 qdisc pfifo_fast qlen 100
link/ether 00:02:55:9a:b6:93 brd ff:ff:ff:ff:ff:ff
inet 10.14.3.29/24 brd 10.14.3.255 scope global eth0
inet6 fe80::2:55de:309a:b693/64 scope link
And here's eth0 and eth1 from guest2:
4: eth1: <BROADCAST,MULTICAST,UP> mtu 1492 qdisc pfifo_fast qlen 100
link/ether 00:02:55:9a:b9:ca brd ff:ff:ff:ff:ff:ff
inet 10.14.3.27/24 brd 10.14.3.255 scope global eth1
inet6 fe80::2:5500:9a:b9ca/64 scope link tentative
5: eth0: <BROADCAST,MULTICAST,UP> mtu 1492 qdisc pfifo_fast qlen 100
link/ether 00:02:55:9a:b6:93 brd ff:ff:ff:ff:ff:ff
inet 10.14.3.26/24 brd 10.14.3.255 scope global eth0
inet6 fe80::2:5500:9a:b693/64 scope link
Notice that the inet6 addrs for eth0 are different, but they are the same
for eth1. This is after a reipl of each guest and each guest is running
within the same VM LPAR. I did receive the duplicate message in the eth1
case. The error occurs right after this command (from ifup) is ussed:
ip link set up dev eth1 mtu 1492
Thanks much,
Leland
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