IP
V
6 ACL
S
23-11
permit, deny (Standard IPv6 ACL)
This command adds a rule to a Standard IPv6 ACL. The rule sets a filter
condition for packets emanating from the specified source. Use the no
form to remove a rule.
Syntax
[no] {permit | deny} {any | source-ipv6-address[/prefix-length] |
host source-ipv6-address}
• any – Any source IP address.
• source-ipv6-address - An IPv6 source address. The address must be
formatted according to RFC 2373 “IPv6 Addressing Architecture,”
using 8 colon-separated 16-bit hexadecimal values. One double
colon may be used in the address to indicate the appropriate number
of zeros required to fill the undefined fields.
• prefix-length - A decimal value indicating how many contiguous bits
(from the left) of the address comprise the prefix (i.e., the network
portion of the address).
• host – Keyword followed by a specific IP address.
Default Setting
None
Command Mode
Standard IPv6 ACL
Command Usage
New rules are appended to the end of the list.
Example
This example configures one permit rule for the specific address
2009:DB9:2229::79 and another rule for the addresses with the network
prefix 2009:DB9:2229:5::/64.
Console(config-std-ipv6-acl)#permit host 2009:DB9:2229::79
Console(config-std-ipv6-acl)#permit 2009:DB9:2229:5::/64
Console(config-std-ipv6-acl)#
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