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operator
port port
destination
count
byte
dscp
order
fragments
log
threshold-in
msgs count
interval
minutes
178
(OPTIONAL) Enter one of the following logical operands:
•
eq = equal to
•
neq = not equal to
•
gt = greater than
•
lt = less than
•
range = inclusive range of ports (you must specify two
ports for the port parameter.)
(OPTIONAL) Enter the application layer port number. Enter
two port numbers if you are using the range logical operand.
The range is from 0 to 65535.
The following list includes some common TCP port
numbers:
•
23 = Telnet
•
20 and 21 = FTP
•
25 = SMTP
•
169 = SNMP
Enter the IP address of the network or host to which the
packets are sent.
(OPTIONAL) Enter the keyword count to count packets the
filter processes.
(OPTIONAL) Enter the keyword byte to count bytes the filter
processes.
(OPTIONAL) Enter the keyword dcsp to match to the IP
DCSCP values.
(OPTIONAL) Enter the keyword order to specify the QoS
order for the ACL entry. The range is from 0 to 254 (where 0
is the highest priority and 254 is the lowest; lower-order
numbers have a higher priority). If you do not use the
keyword order, the ACLs have the lowest order by default
(255).
Enter the keyword fragments to use ACLs to control packet
fragments.
(OPTIONAL) Enter the keyword log to enable the triggering
of ACL log messages.
(OPTIONAL) Enter the threshold-in-msgs keyword
followed by a value to indicate the maximum number of ACL
logs that can be generated, exceeding which the generation
of ACL logs is terminated with the seq, permit, or deny
commands. The threshold range is from 1 to 100.
(OPTIONAL) Enter the keyword interval followed by the
time period in minutes at which the ACL logs must be
generated. The interval range is from 1 to 10 minutes.
Access Control Lists (ACL)
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