Command Reference Guide

728 | IPv6 Access Control Lists (IPv6 ACLs)
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ipv6-protocol-number
Enter an IPv6 protocol number.
Range: 0 to 255
icmp
Enter the keyword icmp to configure an Internet Control Message
Protocol version 6 filter.
ipv6
Enter the keyword ipv6 to configure any Internet Protocol version 6
filter.
tcp
Enter the keyword tcp to configure a Transmission Control protocol
filter.
udp
Enter the keyword udp to configure a User Datagram Protocol filter.
source address
Enter the IPv6 address of the network or host from which the packets
were sent in the x:x:x:x::x format followed by the prefix length in the /
x
format.
Range: /0 to /128
The :: notation specifies successive hexadecimal fields of zero.
mask
Enter a network mask in /prefix format (/x).
any
Enter the keyword any to specify that all routes are subject to the
filter.
host ipv6-address
Enter the keyword host followed by the IPv6 address of the host in the
x:x:x:x::x format.
The :: notation specifies successive hexadecimal fields of zero
operator
(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.)
port port (OPTIONAL) Enter the application layer port number. Enter two port
numbers if using the range 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
destination address
Enter the IPv6 address of the network or host to which the packets are
sent in the x:x:x:x::x format followed by the prefix length in the /x
format.
Range: /0 to /128
The :: notation specifies successive hexadecimal fields of zero.
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 .
Range: 0 to 255 for ICMP type; 0 to 255 for ICMP code
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.