Many thanks to everyone who came back to me on this


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken Wallis
Sent: 07 August 2008 07:38
To: [email protected]
Subject: RE: [U2] default gateway problem

I believe Bob was saying he had done exactly that Doug.

My experience is that changing the default gateway can be a pain and the
only way to be absolutely sure when this sort of stuff happens is to
remove
the interface via smitty devices then add it back again and configure
it.
Sorry.

The other possibility is that you have two or more physical interfaces
(en0
and en1 say) and someone has configured them as a link aggregation or
etherchannel to create a pseudo-device (en2), but that in reconfiguring
the
gateway, the reconfiguration has been applied to one of the physical
devices
en0 or en1, instead of to the link aggregated device...

Cheers,

Ken

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of doug chanco
Sent: Thursday, 7 August 2008 3:46 AM
To: [email protected]
Subject: Re: [U2] default gateway problem

You need to save the default gateway in the ODM.  If you manually 
add/delete routes WITHOUT using smit then the "come back" when you
reboot

do the following:

smitty tcpip
select ==> Minimum Configuration & Startup
select your network card

and then change

 Default Gateway
      Address (dotted decimal or symbolic name)     [172.16.0.255]

to whatever your gateway is, this will update the ODM and next time you 
reboot will be the gateway thats set

dougc

Bob Witney wrote:
> Ok I know that this is a tad of topic but I am hoping that those nice
> IBM chaps are monitoring
>
>
>
> We are on a Pseries running AIX 5.3 and Universe 10
>
>
>
> We have changed out default gateway,
>
>
>
> I know, leave things alone I say, if its not broken don't fix it, but
> you know what there network techies are like, fiddle, fiddle, fiddle
>
>
>
> Anyway:
>
>
>
>  we user smit assist - Configure Network Communications' - TCP/IP
> Startup - pick our interface
>
>
>
> Drop down to default gateway and change the ipaddress
>
>
>
> Works fine
>
>
>
> Until we re-boot at which point it reverts to the default gateway we
had
> before the change
>
>
>
> It may be we should run ifconfig or something to "lock" our change in
> but I can't see it anywhere in the books
>
>
>
> Any suggestions would be great
>
>
>
> Bob Witney
>
> IT Senior
>
> Explore Worldwide
>
> Nelson House
>
> 55 Victoria Road
>
> Farnborough
>
> Hants
>
> GU14 7PA
>
>
>
>
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