topic Decnet phase IV with failover in Operating System - OpenVMS

Decnet phase IV with failover

Peter Zeiszler — Wed, 15 Aug 2007 19:35:13 GMT

I setup the LLA device in lancp. The failover works fine with the IP stack and I can see the line failing over in lancp. I setup the decnet phase IV device (customer request to use decnet IV) by purging the ewa-* devices and defining the LLA-0 device.

When I start up the decnet (start/network decnet) I get the error:
%NCP-W-INVPVA, Invalid parameter value , Physical Ethernet address
Line = LLA-0

%NCP-W-UNRCMP, Unrecognized component , Circuit
Circuit = LLA-0

Itanium 8.3
HP I64VMS DECNET_PHASE_IV V8.3

Any ideas?

Re: Decnet phase IV with failover

Steven Schweda — Wed, 15 Aug 2007 20:31:23 GMT

Did you start DECnet (IV) before any other
protocols (like IP)? Old DECnet expects to
set the "Physical Ethernet address" on the
interface according to the SCSSYSTEMID value,
and it can't do it if someone else is already
using the thing.

(Knowing nothing, I'd be a bit amazed if
Phase IV could cope with the LLA device, but
I've been amazed before.)

Re: Decnet phase IV with failover

Andy Bustamante — Thu, 16 Aug 2007 01:10:44 GMT

As Steve points out, DECnet phase IV needs to be the first network protocol started on the LLA0 device.

You'll either need to stop all network protocols and restart beginning with DECnet or, reboot.

DECnet phase IV works very well with LAN failover, as does LAT and MOP. See the System Manager's Manual, volume 2 at http://h71000.www7.hp.com/doc/82FINAL/aa-pv5nj-tk/aa-pv5nj-tk.HTMl I have multiple systems running phase IV and LAN failover.

Andy

Re: Decnet phase IV with failover

Volker Halle — Thu, 16 Aug 2007 01:12:03 GMT

Peter,

DECnet Phase IV needs to change the Ethernet MAC address to the DECnet MAC address (aa-00-04-00-xx-xx). It can only do this, while no other application procotol is using the LAN interface.

Make sure to invoke @STARTNET before invoking TCPIP$STARTUP.

Volker.

Re: Decnet phase IV with failover

Peter Zeiszler — Thu, 16 Aug 2007 10:31:36 GMT

It was the order of it. Decnet did have to change the address and when IP started it already had hooked the address on the LLA device so decnet couldn't.

Been too long since I had to setup a new system with phase IV I completely forgot about that.

Thanks guys for quick response. Now to play with the cables to make sure everything flip flops on the connects and that the software follows the links.