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how to change the MTU size in HP-UX 11.31

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gb karki
Frequent Advisor

how to change the MTU size in HP-UX 11.31

Hi expert,

how to change the MTU size in HP-UX 11.31 and what are the empact.

Regards
Karki
5 REPLIES
Michal Kapalka (mikap)
Honored Contributor

Re: how to change the MTU size in HP-UX 11.31

Michal Kapalka (mikap)
Honored Contributor

Re: how to change the MTU size in HP-UX 11.31

Ganesan R
Honored Contributor

Re: how to change the MTU size in HP-UX 11.31

Hi,

You can change the MTU size online without any impact by using SAM as well as the command #lanadmin -M ppa#

But the changes will last till you reboot the server. To make it permenant you should be added to nddconf file.
Best wishes,

Ganesh.
gb karki
Frequent Advisor

Re: how to change the MTU size in HP-UX 11.31

Hi Ganesan,

I'm getting below errors.

# lanadmin -M 15000 0
Old MTU Size = 1500
Unable to change MTU size: errno = 22
#

in nddconf file which parameters i need to change.

Regards
Karki
Ganesan R
Honored Contributor
Solution

Re: how to change the MTU size in HP-UX 11.31

Hi Again,

I don't think you can set the MTU size other than range between 1501 - 9000.

refer this link.

http://docs.hp.com/en/AB545-90001/ch01s08.html?btnPrev=%AB%A0prev
Best wishes,

Ganesh.