ZyXEL Communications PRESTIGE 128MH - Manual (Page 104)

Prestige 128MH PSTN Router/Hub
6-4 Remote Node IPX Configuration
6.3 IPX Spoofing
Your Prestige comes with several pre-defined call filters designed to prevent certain IPX packets
from triggering a call to a remote node.
The built-in call filters are defined as follows:
l Block periodical RIP (Routing Information Protocol) and SAP (Service Advertising
Protocol) response messages.
l Block NetWare serialization packets.
l Allow SAP and RIP inquiry packets.