ZyXEL Communications Prestige 28641 User Manual page 104

Basically, all non-local packets are bridged to the WAN, however, the
Prestige applies a special handling for certain IPX packets to reduce the
number of calls, depending on the setting of the "Handle IPX" field".
From Menu 3 - Ethernet Setup, enter "5" to go to Menu 3.5 - Bridge
Ethernet Setup shown below:
90 Bridging Configuration
If it is set to None, nothing is done to IPX traffic.
If it is set to Client, all RIP and SAP (Service Advertising
Protocol) periodical response packets will not trigger the call.
If it is set to Server, no RIP or SAP packets will trigger the call. In
addition, during the time when the ISDN line is down, the Prestige
will reply to the servers watchdog messages on behalf of remote
clients. The period of time that the Prestige will do this is linked to
the Ethernet Address Timeout parameter in each Remote Node
(see Chapter 5). When a remote Ethernet address is aged out, there
is no need to maintain its connection to the IPX server.
Figure 9-1 Bridge Ethernet Setup
Handle IPX - Set this parameter to None if there is no IPX traffic
on the LAN or if you do not want to apply any special handling for