2008-12-23 2026-02-12 Expert Review Justin Dean, Christoper Dearlove (backup) 0 HELLO : Local signaling 1 TC : Topology Control (MANET-wide signaling) 2-223 Unassigned 224-255 Reserved for Experimental Use Justin Dean, Christoper Dearlove (backup) 0-127 Reserved Common to all Message Types, per 128-223 Expert Review 224-255 Reserved Common to all Message Types, per 0-127 Reserved 128-223 Unassigned 224-255 Reserved Justin Dean, Christoper Dearlove (backup) 0-127 Reserved Common to all Message Types, per 128-223 Expert Review 224-255 Reserved Common to all Message Types, per 0-127 Reserved 128-223 Unassigned 224-255 Reserved Expert Review Justin Dean, Christoper Dearlove (backup) 0-4 Unassigned 5 ICV 6 TIMESTAMP 7-223 Unassigned 224-255 Reserved for Experimental Use Justin Dean, Christoper Dearlove (backup) 0-127 Expert Review 128-223 Expert Review Reserved for Message Type Specific Message TLVs 224-255 Reserved for Experimental Use 0 Defined by Type Extension 1 Defined by Type Extension 2-4 Unassigned 5 ICV 6 TIMESTAMP 7 Defined by Type Extension 8 Defined by Type Extension 9-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 INTERVAL_TIME The maximum time before another message of the same type as this message from the same originator should be received 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 VALIDITY_TIME The time from receipt of the message during which the information contained in the message is to be considered valid 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 MPR_WILLING First (most significant) half octet of Value field specifies the originating router's willingness to act as a flooding MPR; subsequent half octets specify the originating router's willingness to act as a routing MPR, either for the link metric types reported in an MPR_TYPES TLV (in the same order), or (if no MPR_TYPES TLV is present) for the single administratively agreed link metric type 1 MPR_TYPES The link metric types supported on this OLSRv2 interface of this router (one octet each) 2 SOURCE_ROUTE Indicates that the originator of the message supports source route forwarding. No value. 3-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 CONT_SEQ_NUM (COMPLETE) Specifies a content sequence number for this complete message. 1 CONT_SEQ_NUM (INCOMPLETE) Specifies a content sequence number for this incomplete message. 2-223 Unassigned 224-255 Reserved for Experimental Use Justin Dean, Christoper Dearlove (backup) 0-127 Reserved Common to all Message Types, 128-223 Expert Review 224-255 Reserved Common to all Message Types, 0-127 Reserved 128 SMF_TYPE 129-223 Unassigned 224-255 Reserved Justin Dean, Christoper Dearlove (backup) 0-127 Expert Review 128-223 Expert Review Reserved for Message Type Specific Address Block TLVs 224-255 Reserved for Experimental Use 0 Defined by Type Extension 1 Defined by Type Extension 2 Defined by Type Extension 3 Defined by Type Extension 4 Defined by Type Extension 5 ICV 6 TIMESTAMP 7 LINK_METRIC 8 Defined by Type Extension 9 Defined by Type Extension 10 Defined by Type Extension 11-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 INTERVAL_TIME The maximum time before another message of the same type as this message from the same originator and containing this address should be received 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 VALIDITY_TIME The time from receipt of the address during which the information regarding this address is to be considered valid 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 LOCAL_IF This value is to be interpreted according to the registry LOCAL_IF TLV Values 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 LINK_STATUS This value is to be interpreted according to the registry LINK_STATUS TLV Values 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 OTHER_NEIGHB This value is to be interpreted according to the registry OTHER_NEIGHB TLV Values 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) Also see the corresponding MIB at . 0-7 Link metric meaning assigned by administrative action. 8-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 MPR This value is to be interpreted according to the registry MPR TLV Bit Values 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 NBR_ADDR_TYPE This value is to be interpreted according to the registry NBR_ADDR_TYPE Address Block TLV Bit Values 1-223 Unassigned 224-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 GATEWAY Specifies that a given network address is reached via a gateway on the originating router. The number of hops is indicated by the Value field, one octet per link metric type reported in an MPR_TYPES Message TLV (in the same order) or (if no MPR_TYPES Message TLV is present) using a single octet 1-223 Unassigned 224-255 Reserved for Experimental Use Justin Dean, Christoper Dearlove (backup) 0-127 Reserved Common to all Message Types, per 128-223 Expert Review 224-255 Reserved Common to all Message Types, per 0-127 Reserved 128 SMF_NBR_TYPE 129-223 Unassigned 224-255 Reserved Expert Review Justin Dean, Christoper Dearlove (backup) 0 ICV of a packet 1 ICV, using a cryptographic function and a hash function, as specified in Section 12 of 2 ICV, using a cryptographic function and a hash function, and including the IP datagram source address, as specified in Section 12 of 3-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 Unsigned timestamp of arbitrary length, given by the TLV Length field. The MANET routing protocol has to define how to interpret this timestamp 1 Unsigned 32-bit timestamp, as specified in IEEE 1003.1-2008 (POSIX) 2 NTP timestamp format, as defined in 3 Signed timestamp of arbitrary length with no constraints such as monotonicity. In particular, it may represent any random value 4-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 ICV of a message 1 ICV, using a cryptographic function and a hash function, as specified in Section 12 of 2 ICV, using a cryptographic function and a hash function, and including the IP datagram source address, as specified in Section 12 of 3-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 Unsigned timestamp of arbitrary length, given by the TLV Length field. The MANET routing protocol has to define how to interpret this timestamp 1 Unsigned 32-bit timestamp, as specified in IEEE 1003.1-2008 (POSIX) 2 NTP timestamp format, as defined in 3 Signed timestamp of arbitrary length with no constraints such as monotonicity. In particular, it may represent any random value 4-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 ICV of an object (e.g. an address) 1 ICV, using a cryptographic function and a hash function, as specified in Section 12 of 2 ICV, using a cryptographic function and a hash function, and including the IP datagram source address, as specified in Section 12 of 3-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 Unsigned timestamp of arbitrary length, given by the TLV Length field. The MANET routing protocol has to define how to interpret this timestamp 1 Unsigned 32-bit timestamp, as specified in IEEE 1003.1-2008 (POSIX) 2 NTP timestamp format, as defined in 3 Signed timestamp of arbitrary length with no constraints such as monotonicity. In particular, it may represent any random value 4-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 none The "identity function": The hash value of an object is the object itself 1 SHA-1 NIST-FIPS-180-4 2 SHA-224 NIST-FIPS-180-4 3 SHA-256 NIST-FIPS-180-4 4 SHA-384 NIST-FIPS-180-4 5 SHA-512 NIST-FIPS-180-4 6-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 none The "identity function": The value of an encrypted hash is the hash itself 1 RSA 2 DSA NIST-FIPS-186-4 3 HMAC 4 3DES NIST-SP-800-67 5 AES NIST-FIPS-197 6 ECDSA 7 ECCSI ECCSI 8 ECCSI-ADDR ECCSI with an address (source or originator) joined to identity 9-251 Unassigned 252-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) Specifies relay algorithm supported by the SMF router, originating the HELLO message, according to Section 11.4.4. 0-127 Unassigned 128-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) Specifies relay algorithm supported by the SMF router corresponding to the advertised address, according to Section 11.4.4. 0-127 Unassigned 128-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) A specification requesting an allocation from the 4-127 range from the SMF Relay Algorithm ID Registry MUST specify the interpretation of the <value> field (if any). 0 CF Section 4 1 S-MPR Appendix B 2 E-CDS Appendix A 3 MPR-CDS Appendix C 4-127 Unassigned 128-255 Reserved for Experimental Use Expert Review Justin Dean, Christoper Dearlove (backup) 0 THIS_IF The network address is associated with this local interface of the sending router 1 OTHER_IF The network address is associated with another local interface of the sending router 2-223 Unassigned 224-254 Reserved for Experimental Use 255 UNSPECIFIED No information about this network address is provided Expert Review Justin Dean, Christoper Dearlove (backup) 0 LOST The link on this interface from the router with that network address has been lost 1 SYMMETRIC The link on this interface from the router with that network address has the status of symmetric 2 HEARD The link on this interface from the router with that network address has the status of heard 3-223 Unassigned 224-254 Reserved for Experimental Use 255 UNSPECIFIED No information about this network address is provided Expert Review Justin Dean, Christoper Dearlove (backup) 0 LOST The neighbor relationship with the router with that network address has been lost 1 SYMMETRIC The neighbor relationship with the router with that network address is symmetric 2-223 Unassigned 224-254 Reserved for Experimental Use 255 UNSPECIFIED No information about this network address is provided Expert Review Justin Dean, Christoper Dearlove (backup) First octet bit 7 First octet 0x01 Flooding If set, then the neighbor with that network address has been selected as flooding MPR From first octet bit 6 From first octet 0x02 Routing If set, then the neighbor with that network address has been selected as routing MPR, either for the link metric types reported in an MPR_TYPES TLV (in the same order), or (if no MPR_TYPES TLV is present) then (first octet bit 6, value 0x02) for the single administratively agreed link metric type Expert Review Justin Dean, Christoper Dearlove (backup) 7 0x01 ORIGINATOR The network address is an originator address reachable via the originating router 6 0x02 ROUTABLE The network address is a routable address reachable via the originating router 0-5 Unassigned