Cisco Catalyst 2960 Series, Configuration Manual

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Purpose Command or Action
Enters the global configuration mode. configure terminal
Example:
Switch# configure terminal
Step 2
Specifies an interface type and port number and places the
switch in the port channel configuration mode. interface port-channel port-channel-number
Example:
Switch (config)# interface Po4
Step 3
Attaches the IPv6 Source Guard policy to the interface.
The default policy is attached if the
attach-policy option
is not used.
ipv6 source-guard [ attach-policy <policy_name> ]
Example:
Switch(config-if) # ipv6 source-guard
attach-policy example_policy
Step 4
Shows the policy configuration and all the interfaces where
the policy is applied. show ipv6 source-guard policy policy_name
Example:
Switch(config-if) # show ipv6 source-guard policy
example_policy
Step 5
Related Topics
Information about First Hop Security in IPv6, on page 678
Examples: How to attach an IPv6 Source Guard Policy to a Layer 2 EtherChannel Interface, on page 712
How to Configure IPv6 Prefix Guard
To allow routing protocol control packets sourced by a link-local address when prefix guard is applied,
enable the permit link-local command in the source-guard policy configuration mode.
Note
SUMMARY STEPS
1. enable
2.
configure terminal
3. [ no ] ipv6 source-guard policy source-guard-policy
4.
[ no ] validate address
5.
validate prefix
6. exit
7.
show ipv6 source-guard policy [ source-guard-policy ]
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
708
How to Configure IPv6 Prefix Guard