•
syn:
synchronize sequence numbers
•
urg:
urgent field
operator
(OPTIONAL) Enter one of the following logical operand:
•
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
command)
port port
Enter the application layer port number. Enter two port numbers if
using the range logical operand. The range is 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.
mask
Enter a network mask in /prefix format (/x) or A.B.C.D. The mask,
when specified in A.B.C.D format, may be either contiguous or non-
contiguous.
count
(OPTIONAL) Enter the keyword
count
to count packets processed
by the filter.
byte
(OPTIONAL) Enter the keyword
byte
to count bytes processed by
the filter.
log
(OPTIONAL, E-Series only) Enter the keyword
log
to have the
information kept in an ACL log file. Supported on Jumbo-enabled line
cards only.
order
(OPTIONAL) Enter the keyword
order
to specify the QoS priority for
the ACL entry. The range is 0 to 254 (where 0 is the highest priority
and 254 is the lowest; lower order numbers have a higher priority) If
you did not use the keyword
order
, the ACLs have the lowest order
by default (255).
monitor
(OPTIONAL) Enter the keyword
monitor
when the rule is describing
the traffic that you want to monitor and the ACL in which you are
creating the rule is applied to the monitored interface. For more
information, refer to the “Flow-based Monitoring” section in the Port
Monitoring chapter of the
FTOS Configuration Guide
.
fragments
Enter the keyword
fragments
to use ACLs to control packet
fragments.
236
Summary of Contents for Force10 Z9000
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