topic Re: Configuring IP addresses in HP-UX in Operating System - HP-UX

Configuring IP addresses in HP-UX

Ryan Bernard — Mon, 29 Jun 2009 09:10:45 GMT

Hi. I am trying to configure loopback address in HP-UX. Can somebody please kindly advice the correct steps to do it?

I did some search and think the steps are something as below?
1) Change in /etc/rc.config.d/netconf
2) /sbin/init.d/start

thanks alot in advance

Re: Configuring IP addresses in HP-UX

Suraj K Sankari — Mon, 29 Jun 2009 09:18:30 GMT

Hi,

The below link there are so many

http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=611489

or

https://www11.itrc.hp.com/service/james/search.do?origin=0&rn=25&wpa=forums11.itrc.hp.com%3A443&searchcriteria=allwords&chkServStor=on&source=7000&submit.y=4&submit.x=8&searchtext=configure+loopback+address+&from=forums&searchcategory=ALL&esc=support.itrc.hp.com&todo=search&hpl=1&presort=rank&admit=109447626+1246270573487+28353475

Suraj

Re: Configuring IP addresses in HP-UX

Mel Burslan — Mon, 29 Jun 2009 12:41:17 GMT

Your question is a little bit puzzling. Are you trying to change your loopback address from 127.0.0.1 to something else ? This address gets set up when you install your system and changing it might result in unpredictable behavior. So, take this a s word of caution and proceed at your own risk.

Re: Configuring IP addresses in HP-UX

Steven E. Protter — Mon, 29 Jun 2009 12:52:00 GMT

Shalom,

1) is correct.

2) is not

/sbin/init.d/net stop
/sbin/init.d/net start

Many network services are impacted by changes here, practically speaking its better to reboot.

SEP

Re: Configuring IP addresses in HP-UX

Ryan Bernard — Mon, 29 Jun 2009 13:20:21 GMT

Thanks to all who reply. I just trying out to configure the loopback address for some testing. Thanks for your caution.

So bascially the steps are to edit /etc/rc.config.d/netconf and reboot server? Any other changes required?

Re: Configuring IP addresses in HP-UX

Laurent Menase — Mon, 29 Jun 2009 13:25:58 GMT

Hi Ryan,

I will not bet on the result.

What sort of tests are you trying to do?

there may be some places in the kernel which is using 127.0.0.1 as loopback in any cse.

Re: Configuring IP addresses in HP-UX

Steven E. Protter — Mon, 29 Jun 2009 13:56:07 GMT

Shalom,

So bascially the steps are to edit /etc/rc.config.d/netconf and reboot server? Any other changes required?

That will do it.

Changing the loopback address will most likely make it impossible for the server to work with any network at all.

SEP

Re: Configuring IP addresses in HP-UX

Shiv007 — Tue, 30 Jun 2009 02:35:36 GMT

Hi Shalom,

You can use the command "set_parms ip_address"

or you can try doing that using.

"ifconfig inet netmask up"

or you can try the below:

change whichever network parameter you want and follow this

cd /etc/rc.config.d
vi netconf

Edit the "LAN" card number:
EXAMPLE:
INTERFACE_NAME[0]=lan0
to ...
INTERFACE_NAME[0]=lan1

Save file.

Then stop and restart network services on the target server:

cd /sbin/init.d
./net stop
./net.init stop
./nettl stop

start in reverse order
./nettl start
./net.init start
./net start

hope any of these should solve your problem.

Thanks
Shivaprasad

Re: Configuring IP addresses in HP-UX

Laurent Menase — Tue, 30 Jun 2009 07:51:34 GMT

Hi Ryan,

It may be interesting that you tell us what test you are trying to achieve.
There is may be some less hazardous solutions.

Re: Configuring IP addresses in HP-UX

Steven E. Protter — Tue, 30 Jun 2009 08:53:02 GMT

Shivaprasad A V,

Shalom is sometimes a name, but in this case is how I greet, when I post answers to threads.

It means hello, goodbye and peace.

Interesting follow up answer. Keep on ITRC'ing.

SEP

Re: Configuring IP addresses in HP-UX

Ryan Bernard — Tue, 30 Jun 2009 11:12:17 GMT

Thanks to all for your advice. Now I know what "shalom" mean as I see it pretty frequently. :)