256
Address Check to be sent,
value
being 0 means no Repeat Address Check is executed.
Example
：
The Neighbor Request Message number sent in succession by interface when
setting Repeat Address Check is 3..
Switch(Config-if-Vlan1)# ipv6 nd dad attempts 3
9.2.2.4.5 ipv6 nd ns-interval
Command
：
ipv6 nd ns-interval <seconds>
no ipv6 nd ns-interval
Function
：
Set the time interval of Neighbor Request Message sent by the interface
Parameter
：
parameter
<seconds>
is the time interval of sending Neighbor Request
Message,
<seconds>
value must be between 1-3600 seconds,
no
command restores
the default value 1 second.
Command Mode
：
Interface Configuration Mode
Default
：
The default Request Message time interval is 1 seconds.
Default
：
The value to be set will include the situation in all routing announcement on the
interface. Generally, very short time interval is not recommended.
Example
：
Set Vlan1 interface to send out Neighbor Request Message time interval to be
8 seconds.
Switch(Config-if-Vlan1)#ipv6 nd ns-interval 8
9.2.2.4.6 ipv6 nd suppress-ra
Command
：
[no] ipv6 nd suppress-ra
Function
：
Prohibit router announcement.
Parameter
：
None
Command Mode
：
Interface Configuration Mode
Default Situation
：
There is not Enable router announcement function.
Usage Guide
：
no ipv6 nd suppress-ra command enable router announcement function.
Example
：
Enable router announcement function.
Switch(Config-if-Vlan1)#no ipv6 nd suppress-ra
9.2.2.4.7 ipv6 nd ra-lifetime
Command
：
ipv6 nd ra-lifetime <seconds>
no ipv6 nd ra-lifetime
Function
：
Configure the lifetime of router announcement
Parameter
：
parameter <
seconds>
stands for the number of seconds of router
announcement lifetime,
<seconds>
value must be between 9-9000.
Command Mode
：
Interface Configuration Mode
Default
：
The number of seconds of router default announcement lifetime is 1800.
Usage Guide
：
This command is used to configure the lifetime of the router on Layer 3
interface, seconds being 0 means this interface can not be used for default router,
