Reference Guide

698 IPv6 Commands
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it does not impact. The configuration is saved and will impacted when the
interface type is changed on another type on which DAD is supported (for
example, to the IPv6 manual tunnel).
Example
The following example configures five consecutive neighbor solicitation
messages to be sent on VLAN 1 while duplicate address detection is being
performed on the tentative Unicast IPv6 address of the interface. The
example also disables duplicate address detection processing on VLAN 2.
console(config)# interface vlan 1
console(config-if)#
ipv6 nd dad attempts 5
console(config-if)# exit
console(config)# interface vlan 2
console(config-if)#
ipv6 nd dad attempts 0
console(config-if)# exit
ipv6 nd hop-limit
Use the ipv6 nd hop-limit command in Global Configuration mode to
configure the maximum number of hops used in router advertisements.
To return the hop limit to its default value, use the no form of this command.
Syntax
ipv6 nd hop-limit value
no ipv6 nd hop-limit
Parameters
• value —Maximum number of hops. The acceptable range is from 1 to 255.
Default Configuration
The default value is defined by the ipv6 hop-limit command, or is set to 64
hops, if the command was not configured.