AFAIR the setting is always AUTO, you cannot change:
set network-parameters
[controller a|b]
[dhcp]
[gateway gateway]
[ip address]
[ipv 4|6]
[netmask netmask]
[ping-broadcast enabled|disabled|on|off]
to check:
# show network-parameters
Network Parameters Controller A
-------------------------------
IP Address: 10.x.x.x
Gateway: 10.x.x.x
Subnet Mask: 255.255.252.0
MAC Address: 00:xx:xx:xx
Addressing Mode: Manual
Link Speed: 1000mbps
Duplex Mode: full
Health: OK
Health Reason:
Health Recommendation: