ADTRAN TA 544 user manual All incoming packets from the WAN are not

	TA 544 User Manual/61200704L1-1A
	Page 39 of 68
MAX FAILURE	Due to the nature of PPP, configuration options
	may not be agreed upon between two PPP peers.
	This value is the number of configuration-naks
	that should occur before an option is configura-
	tion-rejected. This allows a connection to suc-
	ceed that might otherwise fail. The possible
	values are 5 (def), 10, 15 and 20.

PPPENCAPSULATION Select either LLC mode or VC-MUXmode.

Filters

The TA 544 can block packets in and out of a WAN port by use of the filters. They are set up on a per- Connection List profile basis. They are set up in two steps: (1) define the types of packets that would be of interest, and (2) set up the filter type and combination of defines that will cause a packet block.

WAN-TO-LAN (IN) The packets which come into the TA 544 can be

filtered in three ways:

DISABLED (DEF)

BLOCK ALL

Turns off packet input filtering. No incoming packets are blocked.

All incoming packets from theWAN are blocked except as defined in the FILTERS/IN

EXCEPTIONS list.

FORWARD ALL	All incoming packets from the WAN are not
	blocked except as defined in thee FILTERS/IN
	EXCEPTIONS list.
IN EXCEPTIONS	This is a list of up to 32 entries which can be
	combined using the operations field. The opera-
	tions are performed in the order they appear on
	the list.
ACTIVE	Turns this entry active when set to On.
TYPE	Selects the filter define list to reference:
	MAC
	PATTERN
	IP
	IPX
FILTER LIST NAME	Selects between filters defined in the list.
NEXT OPER	The next operation to use to combine with
	the next filter in the list.
	END	the last filter to combination.
	AND	logically AND this filter with the
		next filter in the list.
	OR	logically OR this filter with the
		next filter in the list.

© 2001, ADTRAN, Inc. TA 544 User Manual