Cisco 500 Series Administration Manual page 543

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Neighbor Prefix Table
You can add static prefixes for global IPv6 addresses bound from NDP messages
in the Neighbor Prefix table. Dynamic entries are learned. as described in
Learning Advertised IPv6
To add entries to the Neighbor Prefix table:
Click Security > IPv6 First Hop Security > Neighbor Prefix Table.
Select one of the following options for clearing the Neighbor Prefix table:
• Static Only—Clear only static entries.
• Dynamic Only—Clear only dynamic entries.
• All Dynamic and Static—Clear static and dynamic entries.
The following fields are displayed for the exiting entries:
• VLAN ID—VLAN on which the prefixes are relevant.
• IPv6 Prefix—IPv6 prefix.
• Prefix Length—IPv6 prefix length.
• Origin—Entry is dynamic (learned) or static (manually configured).
• Autoconfig—The prefix can be used for stateless configuration.
• Expiry Time (Sec)—Length of time entry will remain before being deleted.
Click Add to add a new entry to the table and enter the above fields for the new
entry.
FHS Status
To display the global configuration for the FHS features:
Click Security > IPv6 First Hop Security > FHS Status.
Select a port, LAG or VLAN for which the FHS state is reported.
The following fields are displayed for the selected interface:
• FHS Status
Security: IPv6 First Hop Security
Configuring IPv6 First Hop Security through Web GUI
Prefixes.
Cisco 500 Series Stackable Managed Switch Administration Guide