C
HAPTER
44
| IP Interface Commands
ND Snooping
– 1428 –
ipv6 nd snooping
max-binding
This command sets the maximum number of address entries in the
dynamic user binding table which can be bound to a port. Use the no form
to restore the default setting.
SYNTAX
ipv6 nd snooping max-binding max-bindings
no ipv6 nd snooping max-binding
max-bindings – The maximum number of address entries in the
dynamic user binding table which can be bound to a port.
(Range: 1-5)
DEFAULT SETTING
5
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
EXAMPLE
Console(config)#ipv6 nd snooping prefix timeout 200
Console(config)#
ipv6 nd snooping
trust
This command configures a port as a trusted interface from which prefix
information in RA messages can be added to the prefix table, or NS
messages can be forwarded without validation. Use the no form to restore
the default setting.
SYNTAX
[no] ipv6 nd snooping trust
DEFAULT SETTING
Not trusted
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
COMMAND USAGE
â—† In general, interfaces facing toward to the network core, or toward
routers supporting the Network Discovery protocol, are configured as
trusted interfaces.
â—† RA messages received from a trusted interface are added to the prefix
table and forwarded toward their destination.
â—† NS messages received from a trusted interface are forwarded toward
their destination. Nothing is added to the dynamic user binding table.
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