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IBM AIX/UNIX system storage administration ksh/perl scripting

Thursday, March 26, 2009

Procedure to change NIC speed

The example is to change NIC ent0 speed from 100Mb/s to 1Gb/s.

1. Work with network to have Ethernet switch port ready and lay network cable.

2. Bring down application and DB if need.

3. Swap cables

chdev -l en0 -a state=detach
chdev -l ent0 -a media_speed=1000_Full_Duplex
chdev -l en0 -a state=up
mkdev -l inet0

5. Ping test.

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