The value of tmnxOFFlowTableSwitchDefCookie specifies whether to enable switch-defined cookie encoding or use standard cookie encoding for this flow-table. When the value of tmnxOFFlowTableSwitchDefCookie is set to 'disabled (2)', open-flow controller uses standard cookie encoding. When the value of tmnxOFFlowTableSwitchDefCookie is set to 'enabled (1)', open-flow controller encodes cookie with special information detailed below: 64 60 59 32 31 0 + | cookie-type | switch-defined-cookie | standard-flow-cookie | + Cookie Name Cookie Type Cookie Value Cookie Usage (Bits 63..60) (Bits 59..32) grt 0 0 0 0 0 use this cookie value to program flowtable rules to be used in GRT instance system 1 0 0 0 0 use this cookie value to program flowtable rules to be used in system filters service 1 1 0 0 service-id for use this cookie value to 'vpls' or program flowtable rules 'vprn' to be used in 'vpls' or services 'vprn' service-types All other values for the cookie are reserved.