2023-08-24 Specification Required Unassigned Mobile IP defines a set of new control messages, sent with UDP or TCP using well-known port number 434. Currently, the following are defined. 1 Registration Request 2 Unassigned 3 Registration Reply 4 Tunnel Data 5-6 Unassigned 7 Registration Revocation 8-14 Unassigned 15 Revocation Acknowledgment 16 Handoff Request 17 Handoff Reply 18 Regional Registration Request 19 Regional Registration Reply 20 Fast Binding Update (FBU) 21 Fast Binding Acknowledgment (FBAck) 22 Generic Notification 23 Generic Notification Acknowledgement 24 Home Test Init message 25 Care-of Test Init message 26 Home Test message 27 Care-of Test message 28-254 Unassigned 255 Message for Experimental use Specification Required Unassigned The first set consists of those Extensions which may appear only in Mobile IP control messages (those sent to and from UDP port number 434). 0 One-byte Padding N 32 Mobile-Home Authentication Y 33 Mobile-Foreign Authentication Y 34 Foreign-Home Authentication Y 36 Generalized Mobile IP Authentication N 38 Critical Vendor/Organization Specific Extension(CVSE) N 40 MN-FA-KeyGen Request N 41 MN-FA-KeyGen Reply N 42 MN-HA-KeyGen Request N 43 MN-HA-KeyGen Reply N 44 UDP Tunnel Reply Extension N 45 FA Error Extension N 46 GFA IP Address Extension N 47 PMIPv4 Non-skippable Extension N 48 GRE Key Extension N 49 Route Optimization Extensions N 50 Route Optimization Data N 51-126 Unassigned 127 Non-skippable Extension for Experimental use N 128 Deprecated (2001-08-31) 129 SKIP Firewall Traversal Extension N 130 Encapsulating Delivery Style Extension N 131 Mobile Node NAI N 132 MN-FA Challenge Extension N 134 Normal Vendor/Organization Specific Extension (NVSE) N 136 NAI Carrying Extension N 137 Revocation Support N 138 Generalized Link Layer Address Registration Extension N 139 Dynamic HA Extension N 140 Hierarchical Foreign Agent Extension N 141 Replay Protection Style N 142 Regional Registration Lifetime Extension N 144 UDP Tunnel Request Extension N 145 Message String Extension Y 147 PMIPv4 Skippable Extension N 148 Mobile Network Extension N 149 Trusted Networks Configured (TNC) Extension N 150 Reserved 151 Service Selection Extension N 152 Dual Stack (DSMIPv4) Extension N 153 Mobile Router Route Optimization Indication N 154 Multipath-Extension N 155-254 Unassigned 255 Skippable Extension for Experimental use N Specification Required Unassigned The second set consists of those extensions which may appear only in ICMP Router Discovery messages RFC1256. 0 One-byte Padding (encoded with no Length nor Data field) 1-15 Unassigned 16 Mobility Agent Advertisement 17-18 Unassigned 19 Prefix-Lengths 20 Link-Layer Address Option Format (LLA) 21 New IPv4 Address 22 New Router Prefix Information 23 Unassigned 24 Challenge Extension 25-126 Unassigned 127 Non-skippable Adv. Extension for Experimental use 128-135 Unassigned 136 NAI Carrying Extension 137 CARD MN-AR signature option 138 CARD Request option 139 CARD Reply option 140 Generalized Link Layer Address Advertisement Extension 141-254 Unassigned 255 Skippable Adv. Extension for Experimental use To conserve the type number space, extension types may have sub-types. Currently the following extensions have subtypes defined: Specification Required Unassigned 1 MN-AAA Authentication subtype 2 FA-FA authentication 3 MN-GFA authentication 4 MN-PAR Auth Extension Standards Action 1 KeyGen Request/Reply from AAA 7 Not to be allocated - used by early implementations Specification Required Unassigned 0 Regular UDP Tunnel Reply Extension Expert Review Unassigned 0 FA Error Indication to MN Specification Required Unassigned 0 GRE Key Extension 1-255 Unassigned Specification Required Unassigned 1 HA Identity 2 AAAH identity 3 Foreign Agent NAI (FA-NAI) IETF Review 1 Requested HA Extension 2 Redirected HA Extension Specification Required Unassigned 0 Regular UDP Tunnel Request Extension Standards Action or IESG Approval 0 Mobile Network Request Extension 1 Explicit Mode Acknowledgement Extension 2 Implicit Mode Acknowledgement Extension 3-255 Unassigned Specification Required Unassigned 0 Trusted Networks Configured (TNC) 1-255 Unassigned Expert Review Unassigned 0 Reserved 1 Multipath Extension 2 Flow-Binding Extension 3-254 Unassigned 255 Reserved Unassigned 0-8 Success Codes None 9-63 Allocation guidelines not specified None 64-127 Error Codes from the Foreign Agent Expert Review 128-192 Error Codes from the Home Agent Expert Review 193-200 Error Codes from the Gateway Foreign Agent Expert Review 201-210 Error Codes form the Correspondent Node Expert Review 211-255 Allocation guidelines not specified None None 0 registration accepted 1 registration accepted, but simultaneous mobility bindings unsupported 2 Concurrent registration (pre-accept) 3-8 Unassigned Expert Review Unassigned 64 reason unspecified 65 administratively prohibited 66 insufficient resources 67 mobile node failed authentication 68 home agent failed authentication 69 requested Lifetime too long 70 poorly formed Request 71 poorly formed Reply 72 requested encapsulation unavailable 73 reserved and unavailable 74 request reverse tunnel unavailable 75 reverse runnel is mandatory and 'T' bit not set 76 mobile node too distant 77 invalid care-of address 78 registration timeout 79 delivery style not supported 80 home network unreachable (ICMP error received) 81 home agent host unreachable (ICMP error received) 82 home agent port unreachable (ICMP error received) 83-87 Unassigned 88 home agent unreachable (other ICMP error received) 89 vendor-specific reason 90 Non-zero HA address required in Registration Request 91-95 Unassigned 96 nonzero_homeaddr_reqd 97 missing_nai 98 missing_home_agent 99 missing_homeaddr 100 ERROR-FA-1 101 ERROR-FA-2 102-103 Unassigned 104 unknown_challenge 105 missing_challenge 106 stale_challenge 107 MISSING_MN_FA 108 Error code from Foreign Agent => fa_bad_aaa_auth 109 Error code from Foreign Agent => ha_wrong_challenge 110 Error code from Foreign Agent => REPLAY_PROT_UNAVAIL 111 Error code from Foreign Agent => ZERO_COA_NOT_SUPP 112 UNKNOWN_GFA 113 GFA_UNREACHABLE 114 GFA_HOST_UNREACHABLE 115 GFA_PORT_UNREACHABLE 116 Invalid Home Agent Address 117-126 Unassigned 127 FA Error Code for Experimental use Expert Review Unassigned 128 reason unspecified 129 administratively prohibited 130 insufficient resources 131 mobile node failed authentication 132 foreign agent failed authentication 133 registration Identification mismatch 134 poorly formed Request 135 too many simultaneous mobility bindings 136 unknown home agent address 137 request reverse tunnel unavailable 138 reverse runnel is mandatory and 'T' bit not set 139 requested encapsulation unavailable 140 ERROR-HA-1 141 ERROR-HA-2 142 ERROR_HA_UDP-ENCAP_UNAVAIL 143 Reregister with redirected HA 144 Error code from Home Agent => ha_bad_aaa_auth 145 Error code from Home Agent => ZERO_CAREOF_ADDRESS 146 Error code from Home Agent => DYN_GFA_NOT_SUPP 147 Mobile Network Prefix operation error (HA_MOBNET_ERROR) 148 Mobile Router operation is not permitted (HA_MOBNET_DISALLOWED) 149 PMIP_UNSUPPORTED 150 PMIP_DISALLOWED 151 SERVICE_AUTHORIZATION_FAILED 152 MULTIPATH_NOT_ALLOWED 153 INVALID_FB_IDENTIFIER 154-191 Unassigned 192 HA Error Code for Experimental use Expert Review Unassigned 193 NO_HOME_REG 194 Reserved 195-200 Unassigned Expert Review Unassigned 201 Expired Home nonce Index 202 Expired Care-of nonce Index 203 Expired nonces 204-210 Unassigned Must be specified and approved by the MIP4 working group 0 Reserved 1 Reserved 2 CHAP_SPI 3-255 Unassigned Expert Review Unassigned 0-1 Reserved 2 Timestamps 3 Nonces 4-65535 Unassigned IETF Review 0 Reserved 1 3GPP2 International Mobile Station Identity and Connection ID 2 3GPP International Mobile Subscriber Identity 3 Ethernet 48-bit MAC address 4 64-bit Global ID, EUI-64 5 Solicited IPv4 Address 6 Access Point Identifier 7 FA IPv4 Address 8-255 Unassigned IETF Review 0 Successful Handoff 1 Generic Handoff Failure 2-255 Unassigned Expert Review Unassigned 1 Home Agent 2 Foreign Agent Standards Action or IESG Approval 0 Success 1 Invalid prefix length (MOBNET_INVALID_PREFIX_LEN) 2 Mobile Router is not authorized for prefix (MOBNET_UNAUTHORIZED) 3 Forwarding setup failed (MOBNET_FWDING_SETUP_FAILED) 4 Home Agent cannot assign a mobile network prefix (MOBNET_UNASSIGNED) 5-255 Unassigned Expert Review Unassigned 0 Unassigned 1 PMIPv4 Per-Node Authentication Method 2-255 Unassigned Expert Review Unassigned 0 Unassigned 1 PMIPv4 Interface ID 2 PMIPv4 Device ID 3 PMIPv4 Subscriber ID 4 Access Technology Type 5-255 Unassigned Expert Review Unassigned 1 IPv6 Prefix Request 2 IPv6 Prefix Reply 3 IPv6 Tunneling Mode Expert Review Unassigned 0 Reserved 1 FA-HA Authentication 2 IPSec Authentication 3-255 Unassigned Expert Review Unassigned 0 Reserved 1 Ethernet MAC address 2 Mobile Equipment Identifier (MEID) 3 International Mobile Equipment Identity (IMEI) 4 Electronic Serial Number (ESN) 5-255 Unassigned Expert Review Unassigned 0 Reserved 1 International Mobile Subscriber Identity (IMSI) 2-255 Unassigned Expert Review Unassigned 0 Reserved 1 802.3 2 802.11a/b/g 3 802.16e 4 802.16m 5 3GPP EUTRAN/LTE 6 3GPP UTRAN/GERAN 7 3GPP2 1xRTT/HRPD 8 3GPP2 UMB 9-255 Unassigned Expert Review Unassigned 0 registration accepted, IPv6 to be tunneled to HoA 1 registration accepted, IPv6 to be tunneled to CoA 2-7 Unassigned (available for accept codes) 8 registration rejected, reason unspecified 9 registration rejected, administratively prohibited 10-255 Unassigned (available for reject codes) Unassigned 0 Expert Review Success Code 1-63 Expert Review 64-69 Expert Review Error Codes from the FA 70-127 Expert Review 128-133 Expert Review Error Codes from the HA 134-191 Expert Review 192-197 Expert Review Error Codes from the MN 198-255 Expert Review 0 notification accepted 1-63 Unassigned 64 reason unspecified 65 administratively prohibited 66 insufficient resources 67 mobile node failed authentication 68 home agent failed authentication 69 notification Identification mismatch 70-126 Unassigned 127 Reserved for Experimental Use 128 reason unspecified 129 administratively prohibited 130 insufficient resources 131 mobile node failed authentication 132 foreign agent failed authentication 133 notification Identification mismatch 134-190 Unassigned 191 Reserved for Experimental Use 192 reason unspecified 193 administratively prohibited 194 insufficient resources 195 foreign agent failed authentication 196 home agent failed authentication 197 notification Identification mismatch 198-254 Unassigned 255 Reserved for Experimental Use RFC Required 0 Reserved 1 Route Optimization Reply 2 Mobile-Correspondent Authentication 3 Care-of Address 4-255 Unassigned RFC Required 0 Reserved 1 Route Optimization Prefix Advertisement 2-255 Unassigned RFC Required 0 Reserved 1 Mobile Router Route Optimization Capability 2-255 Unassigned Frank Quick mailto:fquick&qualcomm.com 2002-07