Administrator Guide

Layer 3 Routing Commands 1624
User Guidelines
Lower route distance values are preferred when determining the best route.
Example
The following example sets the default distance to 80.
console(config)#ipv6 route distance 80
ipv6 unicast-routing
Use the ipv6 unicast-routing command in Global Configuration mode to
enable forwarding of IPv6 unicast datagrams.
Syntax
ipv6 unicast-routing
no ipv6 unicast-routing
Default Configuration
Disabled is the default configuration.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example globally enables Ipv6 unicast datagram forwarding.
console(config)#ipv6 unicast-routing
console(config)#no ipv6 unicast-routing
ipv6 unreachables
Use the ipv6 unreachables command to enable the generation of ICMPv6
Destination Unreachable messages. Use the no form of this command to
prevent the generation of ICMPv6 Destination Unreachable messages.
2CSNXXX_SWUM204.book Page 1624 Monday, January 25, 2016 1:25 PM