AREA AUTHENTICATION TYPE Support: L1,IP Default: None Value: None or Simple Type of authentication to be used for level 1 LSPs, PSNPs, and CSNPs. AUTONOMOUS SYSTEM NUMBER Support: IP Default: 0 Value: 1-65535 Autonomous system number of the local system. This characteristic is supported only if the value of the routing protocols supported characteristic includes EGP. You can modify this characteristic only when the status attribute routing state is off. DNA ADDRESS FORMAT Support: End Default: True Value: Boolean If true, specifies that NSAP addresses are DNA structured, and that NSAP address autoconfiguring is possible. If false, this specifies that NSAP addresses for this node are constructed from the characteristic manual network entity titles and the selectors supplied by the transport protocol module NSP and/or OSI transport. DOMAIN AUTHENTICATION TYPE Support: L2,IP Default: None Value: None or simple Type of authentication to be used for level 2 LSPs, PSNPs, and CSNPs. GENERATE CHECKSUMS Support: All Default: False Value: Boolean If true, specifies that checksums are generated for data, error report, and ES-IS PDUs initiated by this node. If false, these checksums are not generated. It is strongly recommended that, for performance reasons, you use the default value indicating no checksum generation. IP REASSEMBLY TIME Support: IP Default: 10 Value: 1-255 Maximum time, in seconds, for which IP fragments are held while awaiting reassembly. LIFETIME Support: All Default: 63 Value: 2-255 Value to be placed in the <quote>lifetime field of originating data packets. This value should be greater than the maximum number of hops in any path in the network, plus the maximum packet lifetime in half-seconds. MANUAL AREA ADDRESSES Support: L1,L2 Default: No area address Value: Set of area addresses Area addresses to be used for this node. An area address cannot be a Phase IV address or the address DefaultArea. If the characteristic manual L1 algorithm has the value routing vector, this set must be empty, and the characteristic phaseiv address must not be 0.0. If the characteristic phaseiv address is 0.0, there must be at least one area address. MANUAL L1 ALGORITHM Support: L1 Default: Routing Vector Value: see below Type of routing algorithm to be used within the area. You can modify this characteristic only when the entity is disabled. link state - The DECnet-Plus link-state algorithm is used. routing vector - The Phase IV routing-vector algorithm is used. MANUAL L2 ALGORITHM Support: L2 Default: Routing Vector Value: see below Type of routing algorithm to be used at level 2. You can modify this characteristic only when the entity is disabled. LINK STATE - The DECnet-Plus link-state algorithm is used. ROUTING VECTOR - The Phase IV routing-vector algorithm is used. MANUAL NETWORK ENTITY TITLES Support: End Default: No NETS Value: set of NETS Network entity titles NETs to be used for this node. If the characteristic dna address format is set to false, there must be at least one NET. MAXIMUM BUFFERS Default: 100 Value: 1-65535 Specifies the guaranteed number of buffers for forwarding. More buffers may be used if they are available. You can only increase the characteristic value. MAXIMUM PATH SPLITS Support: L1,L2 Default: 2 Value: 1-32 Maximum number of equal cost paths to split traffic between. You can modify this characteristic only when the entity is disabled. MINIMUM LSP TRANSMISSION INTERVAL Support: L1,L2 Specifies the minimum interval in seconds between transmissions of an LSP from a particular source. When changed the timer must be reset. PHASEIV ADDRESS Support: All Default 0.0 Value: Phase IV address Specifies a Phase IV compatible address for communication with other Phase IV nodes. The default address, 0.0, indicates that no Phase IV compatible address is provided for the node. You can modify this characteristic only when the entity is disabled. PHASEIV AREA MAXIMUM COST Support: L2 Default: 1022 Value: 1-1022 Maximum cost of a path to a reachable Phase IV area. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV AREA MAXIMUM HOPS Support: L2 Default: 30 Value: 1-30 Maximum number of hops in a path to a reachable Phase IV area. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV BROADCAST ROUTING TIMER Support: L1,L2 Default: 10 Value: 1-65535 Maximum interval, in seconds, between broadcast routing messages on broadcast circuits. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV BUFFER SIZE Support: All Default: 576 Value: 1-65535 Size, in octets, of buffers used for routing to adjacent Phase IV nodes. This value is actually six octets greater than the maximum buffer size, and does not include the headers for the Routing and Data Link layers. PHASEIV MAXIMUM ADDRESS Support: L1,L2 Default: 1023 Value: 1-1023 Maximum node number within the Phase IV area. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV MAXIMUM AREA Support: L2 Default: 63 Value: 1-63 Maximum Phase IV area number. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV MAXIMUM COST Support: L1,L2 Default: 1022 Value: 1-1022 Maximum cost of a path to a reachable node within the Phase IV area. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV MAXIMUM HOPS Support: L1,L2 Default: 30 Value: 1-30 Maximum number of hops in a path to a reachable node within the Phase IV area. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV MAXIMUM VISITS Support: All Default: 63 Value: 1-63 Maximum number of visits that a packet can make to this node before Routing assumes that the packet is looping. This characteristic is only used by the Phase IV routing algorithm that is, the routing-vector algorithm. PHASEIV PREFIX Support: All Default: Hex 49 Value: address prefix Prefix for Phase IV addresses. If the characteristic phaseiv address is not 0.0, a DECnet-Plus area address is formed by adding the area portion of the Phase IV address to this prefix. You can modify this characteristic only when the entity is disabled. PROBE RATE Support: End Default: 20 Value: 1-65535 Number of packets after which a probe is sent. This characteristic is used only on multilink end systems, on circuits without cache entries for the destination. PROTOCOLS Support: IP Default: Value: IP or ISO8473 The protocol stacks that are enabled on this system. These can be either or both of the above values. The value of this characteristic derives from an argument to the create command. You cannot modify this characteristic. REDIRECT HOLDING TIME Support: L1,L2 Default: 600 Value: 1-65535 Holding time, in seconds, to be specified in Redirect PDUs generated by this node. RIP RECEIVE METRIC CLASS Support: L2,IP Default: External Value: External or Internal The class to be associated with routes received through RIP. This value may be overridden by a routing receive route entity. This characteristic is supported only if the routing protocols supported characteristic includes the RIP routing protocol. RIP SEND LOCAL METRIC Support: L2,IP Default: 1 Value: 0-16 The metric value used by RIP when announcing routes derived from local information. This value is used unless it is overridden by a routing send route entity. This characteristic is supported only if the routing protocols supported characteristic includes the RIP routing protocol. RIP SEND METRIC CLASSES Support: L2,IP Default: Internal Value: set of external, internal Routes received through routing protocols other than RIP with metric classes in this set are candidates for announcement in RIP messages subject to the route propagation policy in force. Routes with metric classes not in this set will not be announced. Each value in this set may be overridden separately by a more specific propagation policy specified by a routing send route or routing send route route source entity. This characteristic is supported only if the routing protocols supported characteristic includes the RIP routing protocol. RIP SEND REPLACEMENT METRIC Support: L2,IP Default: 1 Value: 0-16 The metric value used by RIP when announcing routes derived through other routing protocols. This value is used unless it is overridden by a routing send route entity. This characteristic is supported only if the routing protocols supported characteristic includes the RIP routing protocol. ROUTE PROPAGATION Support: L2,IP Default: No Route Propagation Value: set of protocol pairs The default route propagation to be performed. The set may include the following protocol pairs: EGP to IS-IS IS-IS to RIP EGP to RIP RIP to EGP IS-IS to EGP If a particular value is not present in the set, routes are not propagated between those two protocols in that direction. This characteristic is supported only if the routing protocols supported characteristic includes either of the EGP or RIP routing protocols. ROUTING PROTOCOLS SUPPORTED Support: L2,IP The set of routing protocols supported by this implementation. You cannot modify this characteristic. EGP IS-IS RIP SEGMENT BUFFER SIZE Support: All Default: 570 Value: 0-65535 Maximum segment size, in octets, to be used by the Transport layer. A value of zero means that the segment size is unlimited. SEND SOURCE QUENCH Support: L1,L2,IP Default: False Value: Boolean Specifies whether an ICMP source quench packet is sent when an IP packet is discarded because of congestion. If false, ICMP source quench packets are never sent. SOURCE QUENCH INTERVAL Support: L1,L2,IP Default: 100 Value: 1-65535 Minimum time, in milliseconds, between transmission of successive ICMP source quench packets. SUMMARY ADDRESSES Support: L2,IP Default: No address Value: Set of summary addresses Summary address information to be included in level 2 link state packets sent by this node. TIME TO LIVE Support: IP Default: 35 Value: 1-255 Specifies the value to be placed in the time to live field of originating IP packets. This value should be greater than the maximum number of hops in any path on the network. TYPE Support: All Default: No default Value: see below Routing type of this node. You cannot modify this characteristic. ENDNODE - The node is an end node. L1router - The node is a level 1 router. L2router - The node is a level 2 router. VERSION Version number of the DNA Network Routing layer architecture specification to which this implementation conforms. You cannot modify this characteristic.