IPv6 First Hop Security
OL-32830-01 Command Line Interface Reference Guide 490
25
25.6 clear ipv6 neighbor binding table
To remove dynamic entries from the Neighbor Binding table, use the clear ipv6
neighbor binding table command in Privilege EXEC configuration mode.
Syntax
clear ipv6 neighbor binding table [vlan
vlan-id
] [interface
interface-id
] [ipv6
ipv6-address
] [mac
mac-address
] [ndp | dhcp]
Parameters
• vlan
vlan-id
—Clear the dynamic entries that match the specified VLAN.
• interface
interface-id
—Clear the dynamic entries that match the specified
port (Ethernet port or port channel).
• ipv6
ipv6-address
—Clear the dynamic entries that match the specified
IPv6 address.
• mac
mac-address
—Clear the dynamic entries that match the specified
MAC address.
• ndp—Clear the dynamic entries that are bound from NDP messages.
• dhcp—Clear the dynamic entries that are bound from DHCPv6 messages.
Command Mode
Privileged EXEC mode
User Guidelines
This command deletes the dynamic entries of the Neighbor Binding table.
The dynamic entries to be deleted can be specified by the
vlan-id
argument, the
interface-id
argument, IPv6 address, MAC address, or by type of message from
which they were bound.
If the ndp keyword and the dhcp keyword is not defined, the entries are removed
regardless their origin.
If no keywords or arguments are entered, all dynamic entries are deleted.
All keyword and argument combinations are allowed.
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