Netgear FSM726v3 7200 managed switch v8.x CLI reference manual - Page 278

Managed Switch CLI Manual, Release 8.0 Note: The CLI mode is changed to Class-Map Config or Ipv6-Class-Map Config when this command is successfully executed depending on the [{ipv4 | ipv6}] keyword specified. Format Mode class-map match-all [{ipv4 | ipv6}] Global Config no class-map This command eliminates an existing DiffServ class. The is the name of an existing DiffServ class. (The class name 'default' is reserved and is not allowed here.) This command may be issued at any time; if the class is currently referenced by one or more policies or by any other class, the delete action fails. Format Mode no class-map Global Config class-map rename This command changes the name of a DiffServ class. The is the name of an existing DiffServ class. The parameter is a case-sensitive alphanumeric string from 1 to 31 characters uniquely identifying the class. Default Format Mode none class-map rename Global Config Quality of Service (QoS) Commands v1.0, July 2009 5-11