o softwire-num-max: used to set the maximum number of softwire
binding rules that can be created on the lw4o6 element
simultaneously. This paramter must not be set to zero because
this is equivalent to disabling the BR instance.
This seems to leave it ambiguous whether a server should reject an attempt
to set it to zero, or accept it but diable the BR instance.
Section 5.2
o softwire-num-max: used to set the maximum number of softwire binding rules that can be created on the lw4o6 element simultaneously. This paramter must not be set to zero because this is equivalent to disabling the BR instance.
This seems to leave it ambiguous whether a server should reject an attempt to set it to zero, or accept it but diable the BR instance.