ZyWALL 70 Support Notes
All contents copyright (c) 2005 ZyXEL Communications Corporation.
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User can configure ZyWALL to act as a router mode firewall or bridge (transparent) firewall. The default
is router mode firewall.
Step1. Before changing ZyWALL to bridge mode, if admin wants to make the ZyWALL’s LAN PC be
able to get DHCP IP address assignment from the DHCP server or the gateway upper than the ZyWALL,
there is one firewall rule needs to be activated.
Go to Firewall >> Rule Summary; choose ‘WAN to LAN’ from ‘Packet Direction’. You will see a rule
to permit the service type, ‘BOOTP_CLIENT(UDP:68)’, to pass firewall. It’s INACTIVE by default.
Admin can activate the rule by clicking the ‘N’ as following picture. Then the rule will be activated right
away.
Step2. To change the device mode, go to MAINTENANCE >> Device Mode. Select ‘Bridge’ and
