Reference Guide

164 | Access Control Lists (ACL)
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Command
History
permit
s
Select an IPv6 protocol number, ICMP, IPv6, TCP, or UDP to configure a filter that match the filter
criteria.
Syntax
permit {ipv6-protocol-number | icmp | ipv6 | tcp | udp}
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s sequence number or
• Use the
no permit {ipv6-protocol-number | icmp | ipv6 | tcp | udp} command.
Parameters
Defaults
Not configured.
Command Modes
ACCESS-LIST
Command
History
permit icmp
s
Configure a filter to allow all or specific ICMP messages.
Syntax
permit icmp {source address mask | any | host ipv6-address} {destination address | any | host
ipv6-address} [count [byte]]
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s sequence number or
• Use the no permit icmp {source address mask | any | host ipv6-address} {destination address
| any | host ipv6-address} command.
Parameters
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.7.0
Introduced on the S4810.
S6000
ip-protocol-number
Enter an IPv6 protocol number.
Range: 0 to 255
icmp Enter the keyword icmp to filter Internet Control Message Protocol version 6.
ipv6 Enter the keyword ipv6 to filter any Internet Protocol version 6.
tcp Enter the keyword tcp to filter the Transmission Control protocol.
udp Enter the keyword udp to filter the User Datagram Protocol.
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.7.0
Introduced on the S4810.
S6000
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).