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• range = inclusive range of ports (you must specify two
ports for the port parameter.)
port port (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
destination Enter the IP address of the network or host to which the
packets are sent.
message-type (OPTIONAL) Enter an ICMP message type, either with the
type (and code, if necessary) numbers or with the name of
the message type. The range is from 0 to 255 for ICMP type
and from 0 to 255 for ICMP code.
count (OPTIONAL) Enter the keyword count to count packets the
filter processes.
byte (OPTIONAL) Enter the keyword byte to count bytes the filter
processes.
dscp (OPTIONAL) Enter the keyword dcsp to match to the IP
DSCP values. The range is from 0 to 63.
order (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).
fragments Enter the keyword fragments to use ACLs to control packet
fragments.
log (OPTIONAL) Enter the keyword log to include ACL matches
in the log.
threshold-in
msgs count
(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.
interval
minutes
(OPTIONAL) Enter the keyword interval followed by the
time period in minutes at which ACL logs must be generated.
The threshold range is from 1 to 10 minutes.
Access Control Lists (ACL)
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