Cisco Catalyst 2960 Series

DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if
prompted.
enable
Example:
Switch> enable
Step 1
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Defines an IPv6 source-guard policy name and enters switch
integrated security features source-guard policy
configuration mode.
[no] ipv6 source-guard policy source-guard-policy
Example:
Switch (config)# ipv6 source-guard policy
my_snooping_policy
Step 3
Disables the validate address feature and enables the IPv6
prefix guard feature to be configured.
[ no ] validate address
Example:
Switch (config-sisf-sourceguard)# no validate
address
Step 4
Enables IPv6 source guard to perform the IPv6 prefix-guard
operation.
validate prefix
Example:
Switch (config-sisf-sourceguard)# validate
prefix
Step 5
Exits switch integrated security features source-guard policy
configuration mode and returns to privileged EXEC mode.
exit
Example:
Switch (config-sisf-sourceguard)# exit
Step 6
Displays the IPv6 source-guard policy configuration.
show ipv6 source-guard policy [source-guard-policy]
Example:
Switch # show ipv6 source-guard policy policy1
Step 7
Related Topics
Information about First Hop Security in IPv6, on page 678
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
709
How to Configure IPv6 Prefix Guard