Thanks to the help of the kind folks on this list, I got DHCP working
with SLES10 under z/VM 5.1 several months ago. I set the project aside
for a while while we worked on migrating to z/VM 5.2. Now I'm picking it
up again, and to my surprise, it's broken.

   HCPIPN2833E Error 'E00A'X adding IP address xxx.xxx.xxx.16 for
VSWITCH SYSTEM xxxxxxx.
   HCPIPN2833E IP address is already in use on the LAN.

The address is not in use. I can 'ifdown' and it disappears from Q LAN
DETAILS. If I avoid using DHCP, I can manually configure the interface
using the same address the VSWITCH claims is already in use, and
everything works correctly with no message. If I 'ifup' and use DHCP, I
get the above message, an IP address in "Local" mode on the VSWITCH, and
a non-communicative Linux user. 

The DCHP assignment is working, as the Linux user receives the correct
IP address and hostname from the DHCP server, but that's when the
VSWITCH shuts me down.

I have 'fake_ll=1' set (layer 3), as well as 'ARP=no' (which was the
proper magic for SLES10 with z/VM 5.1). 

We're at z/VM service level 0601, with VMLAN latest service VM63850.

What am I missing?

ok
r.

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