Chapter 27
| IP Interface Commands
ND Snooping
– 785 –
Command Usage
The timeout after which the switch will delete a dynamic user binding if no RA
message is received is set to the retransmit count x the retransmit interval (see the
ipv6 nd snooping auto-detect retransmit interval command). Based on the default
settings, this is 3 seconds.
Example
Console(config)#ipv6 nd snooping auto-detect retransmit count 5
Console(config)#
ipv6 nd snooping
auto-detect
retransmit interval
This command sets the interval between which the auto-detection process sends
NS messages to determine if a dynamic user binding is still valid. Use the no form to
restore the default setting.
Syntax
ipv6 nd snooping auto-detect retransmit interval retransmit-interval
no ipv6 nd snooping auto-detect retransmit interval
retransmit-interval – The interval between which the switch sends
an NS message to determine if a client still exists. (Range: 1-10
seconds)
Default Setting
1 second
Command Mode
Global Configuration
Command Usage
The timeout after which the switch will delete a dynamic user binding if no RA
message is received is set to the retransmit count (see the ipv6 nd snooping auto-
detect retransmit count command) x the retransmit interval. Based on the default
settings, this is 3 seconds.
Example
Console(config)#ipv6 nd snooping auto-detect retransmit interval 5
Console(config)#
ipv6 nd snooping
prefix timeout
This command sets the time to wait for an RA message before deleting an entry in
the prefix table. Use the no form to restore the default setting.
Syntax
ipv6 nd snooping prefix timeout timeout
no ipv6 nd snooping prefix timeout
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