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openVMS network configuration problem

Posted on 2004-10-12
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Last Modified: 2010-04-21
Hi .. I've got an openVMS box (DEC Alpha) all installed, licensed up and running Motif quite happily. However the network is now refusing to connect - no IP connection can be negotiated from the DHCP server, and if I fix the IP address I can neither ping in or out. I have had this working in the past, before changing the disks for bigger ones, so I don't think it's a hardware issue as such.

Anyone any ideas ? I've been through remove/add of TCP/IP and all sorts of different configurations but with no results. It's the latest version of openVMS, 7.3 I think.

Thanks.
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Question by:hyperknowledge
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Expert Comment

by:jonkreisler
ID: 12288109
Things to check:
First try a static IP address.
Be sure the subnet mask is set correctly (usually 255.255.255.0 or 255.255.0.0)
Make sure you have a default route set.
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by:jonkreisler
ID: 12290669
Also, be sure you are still executing    SYS$STARTUP:TCPIP$STARTUP.COM from somewhere within SYS$MANAGER:SYSTARTUP_VMS.COM (presuming you are using HP/Compaq/DEC's TCP/IP Services.)
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Author Comment

by:hyperknowledge
ID: 12296411
It turns out to be the speed of the connection .. auto-negotiation didn't seem to work, setting it down to 10MBps it now works. Answer found from posting in comp.os.vms this time, thanks for your input though !
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by:jonkreisler
ID: 12297105
I remember that used to be a problem on older transceivers (TPT-4, for example.) I thought the newer Alphas didn't have that particular problem. Oh, well...
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Expert Comment

by:meidanze
ID: 12419593
Hi,
First please send the output of the following commands:
1) $show system/noproc  !Check the version of your VMS
2) $tcpip show version    !Check the version of the TCPIP
3) $mc lancp show dev/char !Check Network adapter configuration

Where does the network card is connected?
I mean a switch/hub.
Check if the switvh/hub use full duplex or half duplex and check the speed 10/100MB.
In the third command you can see the characters of your network adapter They should be the same.
Anyway send the output.
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modulo
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