The scripts usually are in
/root/kerbynet.cgi/scripts/I’ve done some troubleshooting on your problem and my guess is that you cannot get multiple DHCP ip addresses because your subinterfaces use the same mac-address. Take a look in my bridged interface with 2 IPs.
BRIDGE00 Link encap:Ethernet HWaddr 00:15:E9:DA:38:49
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:20431625 errors:0 dropped:0 overruns:0 frame:0
TX packets:25589030 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2920572699 (2785.2 Mb) TX bytes:911292642 (869.0 Mb)
BRIDGE00: Link encap:Ethernet HWaddr 00:15:E9:DA:38:49
inet addr:10.14.149.1 Bcast:10.14.149.63 Mask:255.255.255.192
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
BRIDGE00: Link encap:Ethernet HWaddr 00:15:E9:DA:38:49
inet addr:172.16.0.1 Bcast:172.16.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1