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seq
e
Syntax
Parameters
1330
|
Security
Assign a sequence number to a deny or permit filter in a trace list while creating the filter.
seq sequence-number {deny | permit} {ip-protocol-number | ip | tcp | udp} {source mask |
any | host ip-address} {destination mask | any | host ip-address} [operator port [port]]
[precedence precedence] [tos tos-value] [count [byte] | log]
To delete a filter, use the no seq sequence-number command.
sequence-number
deny
permit
ip-protocol-number
ip
tcp
udp
source
mask
any
host ip-address
operator
port port
destination
precedence precedence
tos tos-value
count
Enter a number from 0 to 65535.
deny
Enter the keyword
to configure a filter to drop packets meeting
this condition.
permit
Enter the keyword
to configure a filter to forward packets
meeting this criteria.
Enter a number from 0 to 255 to filter based on the protocol identified in
the IP protocol header.
ip
Enter the keyword
to configure a generic IP access list. The keyword
ip
specifies that the access list will permit all IP protocols.
tcp
Enter the keyword
to configure a TCP access list filter.
udp
Enter the keyword
to configure a UDP access list filter.
Enter the IP address of the network or host from which the packets were
sent.
(OPTIONAL) Enter a network mask in /prefix format (/x).
any
Enter the keyword
to specify that all routes are subject to the filter.
host
Enter the keyword
followed by the IP address to specify a host IP
address.
(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
range
numbers if using the
logical operand.
Range: 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.
precedence
Enter the keyword
the precedence value.
tos
Enter the keyword
followed by a number from 0 to 15 as the TOS
value.
(OPTIONAL) Enter the keyword
the filter.
followed by a number from 0 to 7 as
count
to count packets processed by
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