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Page 46 © 2002, ADTRAN, Inc. 64200600L1#T-31A
Total Access 600R User Interface Guide (UIG)
VJ C
OMPRESSION
When this item is set to O
N
, the Total Access 600R will perform TCP/IP header compression known
as Van Jacobson Compression to the PPP peer. Default is O
FF
.
M
AX
C
ONFIG
This value is the number of unanswered configuration requests that should be transmitted before giv-
ing up on a connection. Choices are 5, 10, 15, and 20. Default is 20.
M
AX
T
IMER
(
SEC
)
This value is the number of seconds to wait between unanswered configuration requests. Choices are
1, 2, 3, 5, and 10. Default is 3.
M
AX
F
AILURE
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 configuration-
rejected. This allows a connection to succeed that might otherwise fail. Choices are 5, 10, 15, and
20. Default is 5.
Filters
The 600R can block packets in and out of a WAN port by use of the filters. They are set up in two steps:
1) define the types of packets that would be of interest in the C
ONFIGURATION
/S
ECURITY
/F
ILTER
D
EFINES
menu, and 2) set up the filter type and combination of defines that will cause a packet block.
WAN-
TO
-LAN (I
N
)
The packets which come into the Total Access 600R can be filtered in three ways:
IN EXCEPTIONS
This is a list of up to 32 filter entries which can be combined using the operations field. The opera-
tions are performed in the order they appear on the list.
DISABLE (DEF)
Turns off packet input filtering. No incoming packets are blocked.
BLOCK ALL
All incoming packets from the WAN are blocked except as defined
in the F
ILTERS
/I
N
E
XCEPTIONS
list.
FORWARD ALL
All incoming packets from the WAN are not blocked except as de-
fined in the F
ILTERS
/I
N
E
XCEPTIONS
list.
ACTIVE
Turns this entry active when set to Y
ES
. Default is N
O
.
T
YPE
Selects the filter define list to reference (default is MAC):
MAC
from the C
ONFIGURATION
/S
ECURITY
/F
ILTER
D
EFINES
/MAC
F
ILTER
D
EFINES
list.
P
ATTERN
from the C
ONFIGURATION
/S
ECURITY
/F
ILTER
D
EFINES
/P
AT
-
TERN
F
ILTER
D
EFINES
list.
IP
from the C
ONFIGURATION
/S
ECURITY
/F
ILTER
D
EFINES
/IP F
IL
-
TER
D
EFINES
list.
F
ILTER
L
IST
N
AME
Selects between filters defined in the list. Default is no entry in
filter list name.
N
EXT
O
PER
The next operation to use to combine with the next filter in the
list (default is E
ND
):
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.