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тАО12-16-2009 11:57 AM
тАО12-16-2009 11:57 AM
Should the modified MAC address be getting used in the network communication now that the system is strictly IP? Does the SCSSYSTEMID need to be set back to 0 ?
If this is a well-trod road, insight would be appreciated.
Solved! Go to Solution.
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тАО12-16-2009 12:46 PM
тАО12-16-2009 12:46 PM
SolutionMULTINET
SET_Command
/INTERFACE
/DECNET_ETHERNET_ADDRESS
/DECNET_ETHERNET_ADDRESS (default)
/NODECNET_ETHERNET_ADDRESS
Initializes a DECnet shared Ethernet interface to determine
what Ethernet address to use. If other protocols are currently
using the device, the Ethernet address cannot be changed and this
qualifier is ignored.
The default behavior, /DECNET_ETHERNET_ADDRESS, is used by
MULTINET SET/INTERFACE to look at the SCSSYSTEMID SYSGEN
parameter and set the Ethernet address to match. If SCSSYSTEMID
is not set, the address on the Ethernet card's PROM is used.
If /NODECNET_ETHERNET_ADDRESS is specified, MultiNet uses the
PROM address.
================================================
so ... I believe that means, even without DECnet being around, the default is for Multinet to assume you will use DECnet sometime in the future and it sets the MAC address ...
One way to make Multinet not do this is to use the optional user-supplied file MultiNet:se0_Configure.Com and place in that file all the required commands; one production file I have is attached ... naturally review it carefully as I have made several edits :-)
And see the Multinet example file se0_Configure.Com in the [.EXAMPLES] directory in the Multinet root.
Verne
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тАО12-16-2009 12:52 PM
тАО12-16-2009 12:52 PM
Re: Modified MAC address still seen after DECNET removed
Do you have a failure here?
Or is this curiosity?
If you have DECnet Phase IV around, it's going to set the MAC address.
It's DECnet-Plus (Phase V) that can operate without messing with the MAC address. (This if you're running straight Phase V without compatibility with DECnet IV routing.)
DECnet Phase IV and DECnet-Plus with Phase IV routing and some other packages can all also be set to use the DECnet MAC address for compatibility with DECnet Phase IV networking. This includes LAT and quite possibly some other pieces, and very likely also the Multinet and related DECnet pieces given that that is trying to operate with DECnet Phase IV.
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тАО12-16-2009 01:17 PM
тАО12-16-2009 01:17 PM
Re: Modified MAC address still seen after DECNET removed
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тАО12-16-2009 01:18 PM
тАО12-16-2009 01:18 PM
Re: Modified MAC address still seen after DECNET removed
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тАО12-16-2009 01:28 PM
тАО12-16-2009 01:28 PM
Re: Modified MAC address still seen after DECNET removed
Switch stuff that looks at the port is going to see multiple MAC addresses with OpenVMS, and potentially a MAC address port change for some of the operations that can be configured on OpenVMS.
You have two choices. Get rid of DECnet Phase IV entirely, either with a full migration to Phase V, or by wholesale removal of all things DECnet. Or you can remove the port restrictions at the switch.
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тАО12-16-2009 01:35 PM
тАО12-16-2009 01:35 PM
Re: Modified MAC address still seen after DECNET removed
For this test system. DECNET was removed with the PRODUCT REMOVE command and I got rid of any references in the startup and I got rid of the SYS$Net_Services . The problem that I had back in June was that I needed to reboot after starting Decnet Over IP. Since I never really used the DECNET-Phase-V , I just left it off.
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тАО12-16-2009 11:32 PM
тАО12-16-2009 11:32 PM
Re: Modified MAC address still seen after DECNET removed
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тАО12-17-2009 04:42 AM
тАО12-17-2009 04:42 AM
Re: Modified MAC address still seen after DECNET removed
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тАО12-17-2009 07:07 AM
тАО12-17-2009 07:07 AM