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seq
c e s
Assign a sequence number to a deny or permit filter in an IPv6 access list while creating the filter.
seq sequence-number {deny | permit} {ipv6-protocol-number | icmp | ip | tcp | udp}
Syntax
{source address mask | any | host ipv6-address} {destination address | any | host
ipv6-address} [operator port [port]] [count [byte]] | [log] [monitor]
To delete a filter, use the no seq sequence-number command.
Parameters
sequence-number
deny
permit
ipv6-protocol-number
icmp
ipv6
tcp
udp
source address
mask
any
host ipv6-address
operator
port port
Enter a number from 0 to 4294967290.
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 an IPv6 protocol number.
Range: 0 to 255
icmp
Enter the keyword
to configure an Internet Control Message Protocol
version 6 filter.
ipv6
Enter the keyword
to configure any Internet Protocol version 6 filter.
tcp
Enter the keyword
to configure a Transmission Control protocol filter.
udp
Enter the keyword
to configure a User Datagram Protocol filter.
Enter the IPv6 address of the network or host from which the packets were
x:x:x:x::x
sent in the
format followed by the prefix length in the
Range: /0 to /128
::
The
notation specifies successive hexadecimal fields of zero.
Enter a network mask in /prefix format (
any
Enter the keyword
to specify that all routes are subject to the filter.
host
Enter the keyword
followed by the IPv6 address of the host in the
x:x:x:x::x
format.
::
The
notation specifies successive hexadecimal fields of zero.
(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
Range: 0 to 65535
The following list includes some common TCP port numbers:
•
23 = Telnet
•
20 and 21 = FTP
•
25 = SMTP
•
169 = SNMP
/x
).
logical operand.
IPv6 Access Control Lists (IPv6 ACLs) | 703
/x
format.
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