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Changing IP Adress in VMS/VAX

Changing IP Adress in VMS/VAX

(OP)
Hello everyone, I currently have a VMS/VAX (7.1, I believe) system and need to change its IP address. The users here mostly telnet into it, and we need to change our IP ranges. I know how to get around in the VAX, but I am nowhere near proficient. I know it is something in UCX, but not sure. Any help would be appreciated.

RE: Changing IP Adress in VMS/VAX

pickletech,

The easiest way is to reconfigure the TCP/IP configuration using the supplied command file in SYS$MANAGER:TCPIP$CONFIG.COM.

You need to do this from a management account, with privileges enabled. You will find it under "Core Environment", submenu "Interfaces".

You will then need to restart TCP. Obviously, in general it is a good idea to run this session from a LAT, DECnet, or direct terminal connection (restarting TCPIP can be done without re-booting the machine, but you cannot be on a TCP connection while doing it).

- Bob

Robert "Bob" Gezelter, http://www.rlgsc.com

RE: Changing IP Adress in VMS/VAX

(OP)
Bob,

Apparently I can't get around as well as I thought. I could not find the TCPIP$CONFIG.COM file. I also did not see a "Core Environment" menu. I am logging in as SYSTEM, and using a keyer id that I believe is an administrator, once I start MENU. Thank you for your help.

RE: Changing IP Adress in VMS/VAX

pickletech,

Ok, first things first. At the "$" prompt, do a SHOW SYSTEM command. The VMS version will display on the first line of the output.

Then, set your default directory to the system manager's directory using the command $ SET DEFAULT SYS$MANAGER

Then, do a directory command, use $ DIRECTORY *$CONFIG.COM

You should get a list of one or more files. You are interested in TCPIP$CONFIG.COM. If that is not present, check for UCX$CONFIG.COM (you could have an older version of the software).  Then run that file.

- Bob Gezelter. CSA, CSE, CDP

Robert "Bob" Gezelter, http://www.rlgsc.com

RE: Changing IP Adress in VMS/VAX

(OP)
Bob,
Thank you so much. I am so close now I can taste it. I do in fact have OpenVMS 7.1. I did not have a TCPIP$CONFIG.COM, but I do have UCX$CONFIG.COM. I got an error trying to run it though. Here is a "screenshot" of what I did:

HO_System ? SET DEFAULT SYS$MANAGER                                             
HO_System ? DIRECTORY *$CONFIG.COM                                              
                                                                                
Directory SYS$COMMON:[SYSMGR]                                                   
                                                                                
ATK$CONFIG.COM;1    DTSS$CONFIG.COM;1   UCX$CONFIG.COM;2                        
                                                                                
Total of 3 files.                                                               
HO_System ? RUN UCX$CONFIG.COM                                                  
%DCL-W-ACTIMAGE, error activating image UCX$CONFIG.COM                          
-CLI-E-IMGNAME, image file R1WCRG$DIA0:[SYS0.SYSCOMMON.][SYSMGR]UCX$CONFIG.COM;2
-IMGACT-F-BADHDR, an error was discovered in the image header

As you probably noticed "HO_System ?" is our command prompt. Am I using the wrong syntax? Thank you so much for your help and prompt responses.                       

RE: Changing IP Adress in VMS/VAX

pickletech,

Ok, somebody customized the prompts, not a problem.

To run a command procedure (a .COM file; executable binaries are .EXE), use the syntax "@filename"

- Bob Gezelter, CSA, CSE, CDP

Robert "Bob" Gezelter, http://www.rlgsc.com

RE: Changing IP Adress in VMS/VAX

(OP)
Bob,
SWEET! I just tried it and it worked. Well I could get into the program and see what you were talking about at least, I don't have an actual terminal in front of me, I'm telnetting into it now. I will probably actually do the cut-over sometime next week. One quick question as I leave though. This shouldn't have any effect on anything except people telnetting from their desktops, right? THANK YOU SO MUCH!

RE: Changing IP Adress in VMS/VAX

pickletech,

When you make the change, all IP connections will get disrupted. DECnet, LAT and other protocol stacks will be unaffected (hence my suggestion to use either a local console, a DECnet remote terminal, or a LAT connection when making the change).

- Bob Gezelter

Robert "Bob" Gezelter, http://www.rlgsc.com

RE: Changing IP Adress in VMS/VAX

(OP)
Bob,
That's what I thought, just figured it would be best to check. Thanks again.

RE: Changing IP Adress in VMS/VAX

Hey Guys,

This thread came in handy for me, but I am stuck, I was hoping someone can help me too.  I need to chamge the IP address of this server

I have a VMS 5.5.  I did $ set def sys$manager
then in the directory all I have is cluster_config.com, netconfig.com, and syconfig.com.  I do not see anything with ucx or tcpip.  I closest assumption is the netconfig.com, but it did not have the change ip option only node.

Please help.

RE: Changing IP Adress in VMS/VAX



I need to chamge the IP address of the DEC server

I have a VMS 5.5.  I did $ set def sys$manager
then in the directory all I have is cluster_config.com, netconfig.com, and syconfig.com.  I do not see anything with ucx or tcpip.  I closest assumption is the netconfig.com, but it did not have the change ip option only node.

Please help.

RE: Changing IP Adress in VMS/VAX

Sounds like you don't have UCX on the machine, you might have TCPware or Multinet. Do a

$ sho logical/sys multinet*
$ sho logical/sys tcpware*

and see if you get anything back.

Also, my may want to post on the newsgroup comp.os.vms

If you don't know what a newsgroup is, go to <http://groups.google.com/group/comp.os.vms>

Ken

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