thanks for the reply, here is the print env:
Hit <Enter> to stop autoboot: 0
apboot> printenv
bootdelay=2
baudrate=9600
autoload=n
boardname=Tomatin
servername=aruba-master
bootcmd=boot ap
autostart=yes
bootfile=e500.ari
ethaddr=44:48:c1:c3:0f:9c
ethact=eth0
ipaddr=157.170.200.39
gateway=255.255.252.0
netmask=255.255.252.0
master=157.170.204.68
remot_ap=1
delayboot=4
stdin=serial
stdout=serial
stderr=serial
Environment size: 317/131068 bytes