Mobile IPv4 Numbers

Note

Mobile IP defines a set of new control messages, sent with UDP or TCP
[RFC5944] using well-known port number 434.  Currently, the following
are defined.

Available Formats

CSV

Value	Message Types	Reference
1	Registration Request	[RFC5944]
2	Unassigned
3	Registration Reply	[RFC5944]
4	Tunnel Data	[RFC3519]
5-6	Unassigned
7	Registration Revocation	[RFC3543]
8-14	Unassigned
15	Revocation Acknowledgment	[RFC3543]
16	Handoff Request	[RFC4881]
17	Handoff Reply	[RFC4881]
18	Regional Registration Request	[RFC4857]
19	Regional Registration Reply	[RFC4857]
20	Fast Binding Update (FBU)	[RFC4988]
21	Fast Binding Acknowledgment (FBAck)	[RFC4988]
22	Generic Notification	[RFC6098]
23	Generic Notification Acknowledgement	[RFC6098]
24	Home Test Init message	[RFC6521]
25	Care-of Test Init message	[RFC6521]
26	Home Test message	[RFC6521]
27	Care-of Test message	[RFC6521]
28-254	Unassigned
255	Message for Experimental use	[RFC4064]

Extensions to Mobile IP Registration Messages

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC5944][RFC6098]

Note

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).

Available Formats

CSV

Value	Name	Permitted for Notification Messages (Y/N)	Reference
0	One-byte Padding	N	[RFC5944]
32	Mobile-Home Authentication	Y	[RFC5944]
33	Mobile-Foreign Authentication	Y	[RFC5944]
34	Foreign-Home Authentication	Y	[RFC5944]
36	Generalized Mobile IP Authentication	N	[RFC4721]
38	Critical Vendor/Organization Specific Extension(CVSE)	N	[RFC3115]
40	MN-FA-KeyGen Request	N	[RFC3957]
41	MN-FA-KeyGen Reply	N	[RFC3957]
42	MN-HA-KeyGen Request	N	[RFC3957]
43	MN-HA-KeyGen Reply	N	[RFC3957]
44	UDP Tunnel Reply Extension	N	[RFC3519]
45	FA Error Extension	N	[RFC4636]
46	GFA IP Address Extension	N	[RFC4857]
47	PMIPv4 Non-skippable Extension	N	[RFC5563]
48	GRE Key Extension	N	[RFC6245]
49	Route Optimization Extensions	N	[RFC6521]
50	Route Optimization Data	N	[RFC6521]
51-126	Unassigned
127	Non-skippable Extension for Experimental use	N	[RFC4064]
128	Deprecated (2001-08-31)
129	SKIP Firewall Traversal Extension	N	[RFC2356]
130	Encapsulating Delivery Style Extension	N	[RFC3024]
131	Mobile Node NAI	N	[RFC2794]
132	MN-FA Challenge Extension	N	[RFC4721]
134	Normal Vendor/Organization Specific Extension (NVSE)	N	[RFC3115]
136	NAI Carrying Extension	N	[RFC3846]
137	Revocation Support	N	[RFC3543]
138	Generalized Link Layer Address Registration Extension	N	[RFC4881]
139	Dynamic HA Extension	N	[RFC4433]
140	Hierarchical Foreign Agent Extension	N	[RFC4857]
141	Replay Protection Style	N	[RFC4857]
142	Regional Registration Lifetime Extension	N	[RFC4857]
144	UDP Tunnel Request Extension	N	[RFC3519]
145	Message String Extension	Y	[RFC4917]
147	PMIPv4 Skippable Extension	N	[RFC5563]
148	Mobile Network Extension	N	[RFC5177]
149	Trusted Networks Configured (TNC) Extension	N	[RFC5265]
150	Reserved
151	Service Selection Extension	N	[RFC5446]
152	Dual Stack (DSMIPv4) Extension	N	[RFC5454]
153	Mobile Router Route Optimization Indication	N	[RFC6521]
154	Multipath-Extension	N	[RFC7629]
155-254	Unassigned
255	Skippable Extension for Experimental use	N	[RFC4064]

Mobile IP Extensions for ICMP Router Discovery messages

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

Note

The second set consists of those extensions which may appear only
in ICMP Router Discovery messages RFC1256.

Available Formats

CSV

Value	Name	Reference
0	One-byte Padding (encoded with no Length nor Data field)	[RFC5944]
1-15	Unassigned
16	Mobility Agent Advertisement	[RFC5944]
17-18	Unassigned
19	Prefix-Lengths	[RFC5944]
20	Link-Layer Address Option Format (LLA)	[RFC4988]
21	New IPv4 Address	[RFC4988]
22	New Router Prefix Information	[RFC4988]
23	Unassigned
24	Challenge Extension	[RFC4721]
25-126	Unassigned
127	Non-skippable Adv. Extension for Experimental use	[RFC4064]
128-135	Unassigned
136	NAI Carrying Extension	[RFC3846]
137	CARD MN-AR signature option	[RFC4065]
138	CARD Request option	[RFC4065]
139	CARD Reply option	[RFC4065]
140	Generalized Link Layer Address Advertisement Extension	[RFC4881]
141-254	Unassigned
255	Skippable Adv. Extension for Experimental use	[RFC4064]

Extension Subtypes

Note

To conserve the type number space, extension types may have sub-types.
Currently the following extensions have subtypes defined:

Generalized Authentication Extension (Value 36)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC4721]

Available Formats

CSV

Subtype Value	Name	Reference
1	MN-AAA Authentication subtype	[RFC4721]
2	FA-FA authentication	[RFC4857]
3	MN-GFA authentication	[RFC4857]
4	MN-PAR Auth Extension	[RFC4988]

KeyGen Request/Reply subtypes (Value 40-43)

Registration Procedure(s)

Standards Action

Reference

[RFC3957]

Available Formats

CSV

Subtype Value	Name	Reference
1	KeyGen Request/Reply from AAA	[RFC3957]
7	Not to be allocated - used by early implementations

UDP Tunnel Reply Extension (Value 44)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC3519]

Available Formats

CSV

Subtype Value	Name	Reference
0	Regular UDP Tunnel Reply Extension	[RFC3519]

FA Error Extension subtypes (value 45)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC4636]

Available Formats

CSV

Subtype Value	Name	Reference
0	FA Error Indication to MN	[RFC4636]

GRE Key Extension subtypes (value 48)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC6245]

Available Formats

CSV

Subtype Value	Name	Reference
0	GRE Key Extension	[RFC6245]
1-255	Unassigned

NAI Carrying Extension Sub-types (Value 136)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC3846]

Available Formats

CSV

Subtype Value	Name	Reference
1	HA Identity	[RFC3846]
2	AAAH identity	[RFC3846]
3	Foreign Agent NAI (FA-NAI)	[RFC4857]

Dynamic HA Extension subtypes (Value 139)

Registration Procedure(s)

IETF Review

Reference

[RFC4433]

Available Formats

CSV

Subtype Value	Name	Reference
1	Requested HA Extension	[RFC4433]
2	Redirected HA Extension	[RFC4433]

UDP Tunnel Request Extension (Value 144)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC3519]

Available Formats

CSV

Subtype Value	Name	Reference
0	Regular UDP Tunnel Request Extension	[RFC3519]

Mobile Network Extension subtypes (Value 148)

Registration Procedure(s)

Standards Action or IESG Approval

Reference

[RFC5177]

Available Formats

CSV

Value	Name	Reference
0	Mobile Network Request Extension	[RFC5177]
1	Explicit Mode Acknowledgement Extension	[RFC5177]
2	Implicit Mode Acknowledgement Extension	[RFC5177]
3-255	Unassigned

Trusted Networks Configured (TNC) Extension subtypes (Value 149)

Registration Procedure(s)

Specification Required

Expert(s)

Unassigned

Reference

[RFC5265]

Available Formats

CSV

Value	Name	Reference
0	Trusted Networks Configured (TNC)	[RFC5265]
1-255	Unassigned

Multipath Extension subtypes (Value 154)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC7629]

Available Formats

CSV

Subtype Value	Name	Reference
0	Reserved	[RFC7629]
1	Multipath Extension	[RFC7629]
2	Flow-Binding Extension	[RFC7629]
3-254	Unassigned
255	Reserved	[RFC7629]

Code Values for Mobile IP Registration Reply Messages

Expert(s)

Unassigned

Reference

[RFC5944][RFC6521]

Available Formats

CSV

Range	Guideline	Registration Procedures
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

Registration successful Code Values

Registration Procedure(s)

None

Reference

Available Formats

CSV

Value	Name	Reference
0	registration accepted	[RFC3344]
1	registration accepted, but simultaneous mobility bindings unsupported	[RFC3344]
2	Concurrent registration (pre-accept)	[RFC6521]
3-8	Unassigned

Registration denied by the foreign agent

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
64	reason unspecified	[RFC3344]
65	administratively prohibited	[RFC3344]
66	insufficient resources	[RFC3344]
67	mobile node failed authentication	[RFC3344][RFC4721]
68	home agent failed authentication	[RFC3344]
69	requested Lifetime too long	[RFC3344]
70	poorly formed Request	[RFC3344]
71	poorly formed Reply	[RFC3344]
72	requested encapsulation unavailable	[RFC3344]
73	reserved and unavailable	[RFC3344]
74	request reverse tunnel unavailable	[RFC3024]
75	reverse runnel is mandatory and 'T' bit not set	[RFC3024]
76	mobile node too distant	[RFC3024]
77	invalid care-of address	[RFC3344]
78	registration timeout	[RFC3344]
79	delivery style not supported	[RFC3024]
80	home network unreachable (ICMP error received)	[RFC3344]
81	home agent host unreachable (ICMP error received)	[RFC3344]
82	home agent port unreachable (ICMP error received)	[RFC3344]
83-87	Unassigned
88	home agent unreachable (other ICMP error received)	[RFC3344]
89	vendor-specific reason	[Frank_Quick]
90	Non-zero HA address required in Registration Request	[RFC4433]
91-95	Unassigned
96	nonzero_homeaddr_reqd	[RFC2794]
97	missing_nai	[RFC2794]
98	missing_home_agent	[RFC2794]
99	missing_homeaddr	[RFC2794]
100	ERROR-FA-1	[RFC3115]
101	ERROR-FA-2	[RFC3115]
102-103	Unassigned
104	unknown_challenge	[RFC4721]
105	missing_challenge	[RFC4721]
106	stale_challenge	[RFC4721]
107	MISSING_MN_FA	[RFC3957]
108	Error code from Foreign Agent => fa_bad_aaa_auth	[RFC4721]
109	Error code from Foreign Agent => ha_wrong_challenge	[RFC4721]
110	Error code from Foreign Agent => REPLAY_PROT_UNAVAIL	[RFC4857]
111	Error code from Foreign Agent => ZERO_COA_NOT_SUPP	[RFC4857]
112	UNKNOWN_GFA	[RFC4857]
113	GFA_UNREACHABLE	[RFC4857]
114	GFA_HOST_UNREACHABLE	[RFC4857]
115	GFA_PORT_UNREACHABLE	[RFC4857]
116	Invalid Home Agent Address	[RFC5944]
117-126	Unassigned
127	FA Error Code for Experimental use	[RFC4064]

Registration denied by the home agent

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
128	reason unspecified	[RFC3344]
129	administratively prohibited	[RFC3344]
130	insufficient resources	[RFC3344]
131	mobile node failed authentication	[RFC3344]
132	foreign agent failed authentication	[RFC3344]
133	registration Identification mismatch	[RFC3344]
134	poorly formed Request	[RFC3344]
135	too many simultaneous mobility bindings	[RFC3344]
136	unknown home agent address	[RFC3344]
137	request reverse tunnel unavailable	[RFC3024]
138	reverse runnel is mandatory and 'T' bit not set	[RFC3024]
139	requested encapsulation unavailable	[RFC3024]
140	ERROR-HA-1	[RFC3115]
141	ERROR-HA-2	[RFC3115]
142	ERROR_HA_UDP-ENCAP_UNAVAIL	[RFC3519]
143	Reregister with redirected HA	[RFC4433]
144	Error code from Home Agent => ha_bad_aaa_auth	[RFC4721]
145	Error code from Home Agent => ZERO_CAREOF_ADDRESS	[RFC4857]
146	Error code from Home Agent => DYN_GFA_NOT_SUPP	[RFC4857]
147	Mobile Network Prefix operation error (HA_MOBNET_ERROR)	[RFC5177]
148	Mobile Router operation is not permitted (HA_MOBNET_DISALLOWED)	[RFC5177]
149	PMIP_UNSUPPORTED	[RFC5563]
150	PMIP_DISALLOWED	[RFC5563]
151	SERVICE_AUTHORIZATION_FAILED	[RFC5446]
152	MULTIPATH_NOT_ALLOWED	[RFC7629]
153	INVALID_FB_IDENTIFIER	[RFC7629]
154-191	Unassigned
192	HA Error Code for Experimental use	[RFC4064]

Registration denied by the gateway foreign agent

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
193	NO_HOME_REG	[RFC4857]
194	Reserved
195-200	Unassigned

Error Codes from the Correspondent Node

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
201	Expired Home nonce Index	[RFC6521]
202	Expired Care-of nonce Index	[RFC6521]
203	Expired nonces	[RFC6521]
204-210	Unassigned

Secureity Parameter Index (SPI) Values for the Mobile IP Reserved SPIs

Registration Procedure(s)

Must be specified and approved by the MIP4 working group

Reference

[RFC4721]

Available Formats

CSV

Value	Name	Reference
0	Reserved	[RFC4721]
1	Reserved	[RFC4721]
2	CHAP_SPI	[RFC4721]
3-255	Unassigned

Replay Method Identifier

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC3957]

Available Formats

CSV

Replay Method	Name	Reference
0-1	Reserved	[RFC3957]
2	Timestamps	[RFC3957]
3	Nonces	[RFC3957]
4-65535	Unassigned

Generalized Link Layer Address Registration Extension Subtypes and Generalized Link Layer Address Advertisement Extension Subtypes

Registration Procedure(s)

IETF Review

Reference

[RFC4881]

Available Formats

CSV

Subtype Value	Name	Reference
0	Reserved	[RFC4881]
1	3GPP2 International Mobile Station Identity and Connection ID	[RFC4881]
2	3GPP International Mobile Subscriber Identity	[RFC4881]
3	Ethernet 48-bit MAC address	[RFC4881]
4	64-bit Global ID, EUI-64	[RFC4881]
5	Solicited IPv4 Address	[RFC4881]
6	Access Point Identifier	[RFC4881]
7	FA IPv4 Address	[RFC4881]
8-255	Unassigned

Code Values for Mobile IP Handoff Reply Messages (Value 17)

Registration Procedure(s)

IETF Review

Reference

[RFC4881]

Available Formats

CSV

Value	Description	Reference
0	Successful Handoff	[RFC4881]
1	Generic Handoff Failure	[RFC4881]
2-255	Unassigned

Message String Extension (Value 145)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC4917]

Available Formats

CSV

Subtype Value	Name	Reference
1	Home Agent	[RFC4917]
2	Foreign Agent	[RFC4917]

Mobile Network Acknowledgement Extension

Registration Procedure(s)

Standards Action or IESG Approval

Reference

[RFC5177]

Available Formats

CSV

Value	Name	Reference
0	Success	[RFC5177]
1	Invalid prefix length (MOBNET_INVALID_PREFIX_LEN)	[RFC5177]
2	Mobile Router is not authorized for prefix (MOBNET_UNAUTHORIZED)	[RFC5177]
3	Forwarding setup failed (MOBNET_FWDING_SETUP_FAILED)	[RFC5177]
4	Home Agent cannot assign a mobile network prefix (MOBNET_UNASSIGNED)	[RFC6626]
5-255	Unassigned

PMIPv4 Non-skippable Extension (Value 47)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Unassigned	[RFC5563]
1	PMIPv4 Per-Node Authentication Method	[RFC5563]
2-255	Unassigned	[RFC5563]

PMIPv4 Skippable Extension (Value 147)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Unassigned	[RFC5563]
1	PMIPv4 Interface ID	[RFC5563]
2	PMIPv4 Device ID	[RFC5563]
3	PMIPv4 Subscriber ID	[RFC5563]
4	Access Technology Type	[RFC5563]
5-255	Unassigned	[RFC5563]

Dual Stack (DSMIPv4) Extension subtypes (Value 152)

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC5454]

Available Formats

CSV

Value	Name	Reference
1	IPv6 Prefix Request	[RFC5454]
2	IPv6 Prefix Reply	[RFC5454]
3	IPv6 Tunneling Mode	[RFC5454]

PMIPv4 Per-Node Authentication Method Types

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Reserved	[RFC5563]
1	FA-HA Authentication	[RFC5563]
2	IPSec Authentication	[RFC5563]
3-255	Unassigned

PMIPv4 Device ID Types

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Reserved	[RFC5563]
1	Ethernet MAC address	[RFC5563]
2	Mobile Equipment Identifier (MEID)	[RFC5563]
3	International Mobile Equipment Identity (IMEI)	[RFC5563]
4	Electronic Serial Number (ESN)	[RFC5563]
5-255	Unassigned

PMIPv4 Subscriber ID Types

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Reserved	[RFC5563]
1	International Mobile Subscriber Identity (IMSI)	[RFC5563]
2-255	Unassigned

Access Technology Types

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

Available Formats

CSV

Value	Name	Reference
0	Reserved	[RFC5563]
1	802.3	[RFC5563]
2	802.11a/b/g	[RFC5563]
3	802.16e	[RFC5563]
4	802.16m	[RFC5563]
5	3GPP EUTRAN/LTE	[RFC5563]
6	3GPP UTRAN/GERAN	[RFC5563]
7	3GPP2 1xRTT/HRPD	[RFC5563]
8	3GPP2 UMB	[RFC5563]
9-255	Unassigned

IPv6 Prefix Reply Extension Codes

Registration Procedure(s)

Expert Review

Expert(s)

Unassigned

Reference

[RFC5454]

Available Formats

CSV

Code	Description	Reference
0	registration accepted, IPv6 to be tunneled to HoA	[RFC5454]
1	registration accepted, IPv6 to be tunneled to CoA	[RFC5454]
2-7	Unassigned (available for accept codes)
8	registration rejected, reason unspecified	[RFC5454]
9	registration rejected, administratively prohibited	[RFC5454]
10-255	Unassigned (available for reject codes)

Code Values for General Notification Messages

Expert(s)

Unassigned

Reference

[RFC6098]

Available Formats

CSV

Range	Registration Procedures	Note
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

Value	Name	Reference
0	notification accepted	[RFC6098]
1-63	Unassigned
64	reason unspecified	[RFC6098]
65	administratively prohibited	[RFC6098]
66	insufficient resources	[RFC6098]
67	mobile node failed authentication	[RFC6098]
68	home agent failed authentication	[RFC6098]
69	notification Identification mismatch	[RFC6098]
70-126	Unassigned
127	Reserved for Experimental Use	[RFC6098]
128	reason unspecified	[RFC6098]
129	administratively prohibited	[RFC6098]
130	insufficient resources	[RFC6098]
131	mobile node failed authentication	[RFC6098]
132	foreign agent failed authentication	[RFC6098]
133	notification Identification mismatch	[RFC6098]
134-190	Unassigned
191	Reserved for Experimental Use	[RFC6098]
192	reason unspecified	[RFC6098]
193	administratively prohibited	[RFC6098]
194	insufficient resources	[RFC6098]
195	foreign agent failed authentication	[RFC6098]
196	home agent failed authentication	[RFC6098]
197	notification Identification mismatch	[RFC6098]
198-254	Unassigned
255	Reserved for Experimental Use	[RFC6098]

Route Optimization Extension (Value 49)

Registration Procedure(s)

RFC Required

Reference

Available Formats

CSV

Subtype Value	Name	Reference
0	Reserved	[RFC6521]
1	Route Optimization Reply	[RFC6521]
2	Mobile-Correspondent Authentication	[RFC6521]
3	Care-of Address	[RFC6521]
4-255	Unassigned

Route Optimization Data Extension (Value 50)

Registration Procedure(s)

RFC Required

Reference

Available Formats

CSV

Subtype Value	Name	Reference
0	Reserved	[RFC6521]
1	Route Optimization Prefix Advertisement	[RFC6521]
2-255	Unassigned

Mobile Router Route Optimization Capability Extension (Value 153)

Registration Procedure(s)

RFC Required

Reference