Chapter 27
| IP Interface Commands
IPv6 Interface
– 773 –
Neighbor Discovery
ipv6 hop-limit This command configures the maximum number of hops used in router
advertisements originated by this router. Use the no form to restore the default
setting.
Syntax
ipv6 hop-limit hops
no ipv6 hop-limit
hops - The maximum number of hops in router advertisements and all IPv6
packets. (Range: 1-255)
Default Setting
1
Command Mode
Global Configuration
Example
The following sets the hop limit for router advertisements to 64:
Console(config)#ipv6 hop-limit 64
Console(config)#
ipv6 nd dad attempts This command configures the number of consecutive neighbor solicitation
messages sent on an interface during duplicate address detection. Use the no form
to restore the default setting.
Syntax
ipv6 nd dad attempts count
no ipv6 nd dad attempts
count - The number of neighbor solicitation messages sent to determine
whether or not a duplicate address exists on this interface. (Range: 0-600)
Default Setting
1
Command Mode
Interface Configuration (VLAN)
Command Usage
â—† Configuring a value of 0 disables duplicate address detection.
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