Users Guide

permit Enter the keyword permit to congure a lter to forward packets meeting this
criteria.
ipv6-protocol-
number
Enter an IPv6 protocol number. The range is 0 to 255.
icmp Enter the keyword icmp to congure an Internet Control Message Protocol
version 6 lter.
ipv6 Enter the keyword ipv6 to congure any Internet Protocol version 6 lter.
tcp Enter the keyword tcp to congure a Transmission Control protocol lter.
udp Enter the keyword udp to congure a User Datagram Protocol lter.
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 prex length in the /x format. The range is /0
to /128. The :: notation species successive hexadecimal elds of zero.
mask Enter a network mask in /prex format (/x).
any Enter the keyword any to specify that all routes are subject to the lter.
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 species successive hexadecimal elds 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. 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 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 prex length in the /x format. The range is /0 to /
128. The :: notation species successive hexadecimal elds 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 . The range is 0 to 255
for ICMP type and 0 to 255 for ICMP code.
count (OPTIONAL) Enter the keyword count to count packets processed by the lter.
byte (OPTIONAL) Enter the keyword byte to count bytes processed by the lter.
Defaults Not congured.
Command Modes ACCESS-LIST
IPv6 Access Control Lists (IPv6 ACLs)
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