Reference Guide

686 | IPv6 Access Control Lists (IPv6 ACLs)
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deny
c e s
Configure a filter that drops IPv6 packets that match the filter criteria.
Syntax
deny {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 deny {ipv6-protocol-number | icmp | ipv6 | tcp | udp} command.
Parameters
Defaults
Not configured.
Command Modes
ACCESS-LIST
Command
History
ip-protocol-number
Enter an IPv6 protocol number.
Range: 0 to 255
icmp Enter the keyword icmp to deny Internet Control Message Protocol version 6.
ipv6 Enter the keyword ipv6 to deny any Internet Protocol version 6.
tcp Enter the keyword tcp to deny the Transmission Control protocol.
udp Enter the keyword udp to deny the User Datagram Protocol.
Version 8.4.2.1 Introduced on the S-Series
Version 8.2.1.0 Introduced support on the E-Series ExaScale
Version 7.8.1.0 Introduced support on the C-Series
Version 7.4.1.0 Introduced support on the E-Series TeraScale