/sys$common/syshlp/LANCP$HELP.HLB — SET DEVICE Qualifiers (Token Ring Devices), /SOURCE_ROUTING
/SOURCE_ROUTING (default)
/NOSOURCE_ROUTING
Enables source routing on the Token Ring device. If you only have
one ring in your LAN or you use transparent bridging, use the
/NOSOURCE_ROUTING qualifier to turn off source routing.