IPv6 ACLs. Type of IPv6 ACLs Comparing IPv4 and IPv6 ACLs Although IPv4 and IPv6 ACLs are very similar, there are three significant differences between.

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Presentation transcript:

IPv6 ACLs

Type of IPv6 ACLs

Comparing IPv4 and IPv6 ACLs Although IPv4 and IPv6 ACLs are very similar, there are three significant differences between them. Applying an IPv6 ACL IPv6 uses the ipv6 traffic-filter command to perform the same function for IPv6 interfaces. No Wildcard Masks The prefix-length is used to indicate how much of an IPv6 source or destination address should be matched.

Comparing IPv4 and IPv6 ACLs Additional Default Statements along with implicit deny permit icmp any any nd-na permit icmp any any nd-ns

Configuring IPv6 Topology

Router R1 Configuration

Router R2 Configuration

Router R3 Configuration

Configuring IPv6 ACLs There are three basic steps to configure an IPv6 ACL: 1.From global configuration mode, use the ipv6 access-list name command to create an IPv6 ACL. 2.From the named ACL configuration mode, use the permit or deny statements to specify one or more conditions to determine if a packet is forwarded or dropped. 3.Return to privileged EXEC mode with the end command.

Configuring IPv6 ACLs: Example

Applying an IPv6 ACL to an Interface

IPv6 ACL Examples Deny FTP Restrict Access

Verifying IPv6 ACLs