Thanks everyone for you help, esp. Jeremy.  I got a fix from
Suse and now VM Guest LAN is working just fine.

Question about MTU sizes,  though.  I let MFS default to 16k
on the CP DEFINE LAN command.  And so, in z/VM's MPROUTE CONFIG
I specified an MTU size of 16384 and in Linux's /etc/rc.config
I specified an MTU of 16384 as well.  When I issue an
ifconfig from linux, I see the MTU size is 8192.  Is that the max?
Should I go back and change the DEFINE LAN command and
the MPROUTE config to match?

ifconfig
hsi0      Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet addr:10.12.7.2  Mask:255.255.255.128
          inet6 addr: fe80::200:ff:fe00:0/10 Scope:Link
          UP RUNNING NOARP  MTU:8192  Metric:1
          RX packets:219 errors:0 dropped:0 overruns:0 frame:0
          TX packets:217 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:9969 (9.7 Kb)  TX bytes:27025 (26.3 Kb)
          Interrupt:11

Marcy Cortes
Wells Fargo Services Company
VM Systems Programming

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