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Operating Systems AIX Lose IP after TL Update
# 8  
Old 08-13-2013
I do not believe the activation of the IP stack should be dependent on any application. That said, I did have issues myself, and it came down to things I had done "in innocence", i.e. user error in changes to /etc/inittab and/or /etc/rc.d/* scripts.

In my case I did always get an IP address, just lacked some daemons such as ssh.

Besides rebooting several times to try and observe what was going wrong I also used the output of the command alog -o -t console and alog -o -t boot to read messages from programs to find that missing depenadancy.

Unfortunately, for you, I do not remember the specifics - this was too long ago. But I do recommend checking your alog outputs for hints about what is going on, error messages, etc..

Hint:
mkdev -l en0; mkdev -l inet0 will do what startup should have done (assuming single interface en0. If more interfaces do them all, then inet0.

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RWHO(1) 						    BSD General Commands Manual 						   RWHO(1)

NAME
rwho -- who is logged in on local machines SYNOPSIS
rwho [-a] DESCRIPTION
The rwho command produces output similar to who, but for all machines on the local network. If no report has been received from a machine for 11 minutes then rwho assumes the machine is down, and does not report users last known to be logged into that machine. If a users hasn't typed to the system for a minute or more, then rwho reports this idle time. If a user hasn't typed to the system for an hour or more, then the user will be omitted from the output of rwho unless the -a flag is given. FILES
/var/spool/rwho/whod.* information about other machines SEE ALSO
finger(1), rup(1), ruptime(1), rusers(1), who(1), rwhod(8) HISTORY
The rwho command appeared in 4.3BSD. BUGS
This is unwieldy when the number of machines on the local net is large. Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)

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