TW-H6W1IR ISDN Remote Router
Configuration and Management 67
? ? Filter State of Interface – this is used to choose the default,
routing decisions for packets, not meeting the criteria for specific
filters.
? ? Layer 2 Filter – this is a data-link layer (protocol independent)
filter. Foreknowledge of the specific protocol, used on the interface
(LAN or WANs), is needed to make effective use of this filter.
? ? IP Filter – this is an IP protocol specific filter, allowing you to,
among other things, prohibit specific packets from entering the
LAN. Alternatively, you can set up filters that allow certain types of
IP packets to enter the LAN.
Filter State of Interface
The Filter State of Interface sub-menu lets you toggle default, routing
decisions, if the packets are not subjected to a filter, routing decision.
In other words, a packet, having not met the criteria for a specific filter
that was applied to a specific interface, will be subjected to this default,
routing decision.
