Reference Guide

Access Control Lists (ACL) | 171
Defaults
Not configured.
Command Modes
ACCESS-LIST
permit Enter the keyword permit to configure a filter to forward packets meeting this
criteria.
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.