ipv6 nd ra other-config-flag


ipv6 nd ra other-config-flag

no ipv6 nd ra other-config-flag


Controls the O-bit in RAs the router transmits on the current interface; but is ignored unless the M-bit is disabled in RAs. Configure to set the O-bit in RA messages for host to obtain network parameters through DHCPv6. The other-config-flag is disabled by default.

For more information on configuring the M-bit, see ipv6 nd ra managed-config-flag.

The no form of this command turns off (disables) the setting for this command in RAs.

Command context



Administrators or local user group members with execution rights for this command.


  • Enabling the O-bit while the M-bit is disabled directs hosts on the interface to acquire their other configuration information from DHCPv6. Examples of such information are DNS-related information or information on other servers within the network.


switch(config)# interface 1/1/1
switch(config-if)# ipv6 nd ra other-config-flag