IP Router Configuration
Router Configuration Guide 223
Router Advertisement Commands
router-advertisement
Syntax [no] router-advertisement
Context config>router
Description This command configures router advertisement properties. By default, it is disabled for all IPv6
enabled interfaces.
The no form of the command disables all IPv6 interface. However, the no interface interface-name
command disables a specific interface.
Default disabled
dns-options
Syntax [no] dns-options
Context config>router>router-advertisement
config>router>router-advertisement>interface
Description This command enables the context for configuration of DNS information for Stateless Address Auto-
Configuration (SLAAC) hosts.
When specified at the router-advertisement level in the routing context, this command allows
configuration of service-wide parameters. These can then be inherited at the interface level by
specifying the config>router>router-advertisement>interface>dns-options>include-dns
command.
The no form of the command disables configuration of DNS information for Stateless Address Auto-
Configuration (SLAAC) hosts.
Default disabled
dns-servers
Syntax server ipv6-address
no server
Context config>router>router-advertisement>dns-options
config>router>router-advertisement>interface>dns-options
Description This command specifies the IPv6 DNS servers to include in the RDNSS option in Router
Advertisements. When specified at the router advertisement level this applies to all interfaces that have
include-dns enabled, unless the interfaces have more specific dns-options configured.
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