Multi-threaded Routing Toolkit (MRT)

Created
2011-09-02
Last Updated
2020-01-08
Available Formats

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Registries Included Below

Type Codes

Expert(s)
Unassigned
Reference
[RFC 6396]
Available Formats

CSV
Range Registration Procedures
65-511 IETF Review
512-2047 Specification Required
2048-64511 First Come First Served
Value Description Reference
0 NULL (DEPRECATED) [RFC 6396]
1 START (DEPRECATED) [RFC 6396]
2 DIE (DEPRECATED) [RFC 6396]
3 I_AM_DEAD (DEPRECATED) [RFC 6396]
4 PEER_DOWN (DEPRECATED) [RFC 6396]
5 BGP (DEPRECATED) [RFC 6396]
6 RIP (DEPRECATED) [RFC 6396]
7 IDRP (DEPRECATED) [RFC 6396]
8 RIPNG (DEPRECATED) [RFC 6396]
9 BGP4PLUS (DEPRECATED) [RFC 6396]
10 BGP4PLUS_01 (DEPRECATED) [RFC 6396]
11 OSPFv2 [RFC 6396]
12 TABLE_DUMP [RFC 6396]
13 TABLE_DUMP_V2 [RFC 6396]
14-15 Reserved
16 BGP4MP [RFC 6396]
17 BGP4MP_ET [RFC 6396]
18-31 Reserved
32 ISIS [RFC 6396]
33 ISIS_ET [RFC 6396]
34-47 Reserved [RFC 6396]
48 OSPFv3 [RFC 6396]
49 OSPFv3_ET [RFC 6396]
50-64 Reserved [RFC 6396]
65-64511 Unassigned
64512-65534 Reserved for Experimental Use [RFC 6396]
65535 Reserved [RFC 6396]

Subtype Codes

Registration Procedure(s)
New Subtype Code definitions must reference an existing Type Code to 
which the Subtype belongs. Subtype assignments follow the assignment 
rules for the Type Codes to which they belong.
Reference
[RFC 6396]
Note
Subtype Codes have a range from 0 to 65535.

BGP Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 BGP_NULL (DEPRECATED) [RFC 6396]
1 BGP_UPDATE (DEPRECATED) [RFC 6396]
2 BGP_PREF_UPDATE (DEPRECATED) [RFC 6396]
3 BGP_STATE_CHANGE (DEPRECATED) [RFC 6396]
4 BGP_SYNC (DEPRECATED) [RFC 6396]
5 BGP_OPEN (DEPRECATED) [RFC 6396]
6 BGP_NOTIFY (DEPRECATED) [RFC 6396]
7 BGP_KEEPALIVE (DEPRECATED) [RFC 6396]
8-65534 Unassigned
65535 Reserved [RFC 6396]

BGP4PLUS Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 BGP_NULL [RFC 6396]
1 BGP_UPDATE [RFC 6396]
2 BGP_PREF_UPDATE [RFC 6396]
3 BGP_STATE_CHANGE [RFC 6396]
4 BGP_SYNC [RFC 6396]
5 BGP_OPEN [RFC 6396]
6 BGP_NOTIFY [RFC 6396]
7 BGP_KEEPALIVE [RFC 6396]
8-65534 Unassigned
65535 Reserved [RFC 6396]

BGP4PLUS_01 Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 BGP_NULL [RFC 6396]
1 BGP_UPDATE [RFC 6396]
2 BGP_PREF_UPDATE [RFC 6396]
3 BGP_STATE_CHANGE [RFC 6396]
4 BGP_SYNC [RFC 6396]
5 BGP_OPEN [RFC 6396]
6 BGP_NOTIFY [RFC 6396]
7 BGP_KEEPALIVE [RFC 6396]
8-65534 Unassigned
65535 Reserved [RFC 6396]

TABLE_DUMP Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 Reserved [RFC 6396]
1 AFI_IPv4 [RFC 6396]
2 AFI_IPv6 [RFC 6396]
3-65534 Unassigned
65535 Reserved [RFC 6396]

TABLE_DUMP_V2 Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 Reserved [RFC 6396]
1 PEER_INDEX_TABLE [RFC 6396]
2 RIB_IPV4_UNICAST [RFC 6396]
3 RIB_IPV4_MULTICAST [RFC 6396]
4 RIB_IPV6_UNICAST [RFC 6396]
5 RIB_IPV6_MULTICAST [RFC 6396]
6 RIB_GENERIC [RFC 6396]
7 GEO_PEER_TABLE [RFC 6397]
8 RIB_IPV4_UNICAST_ADDPATH [RFC 8050]
9 RIB_IPV4_MULTICAST_ADDPATH [RFC 8050]
10 RIB_IPV6_UNICAST_ADDPATH [RFC 8050]
11 RIB_IPV6_MULTICAST_ADDPATH [RFC 8050]
12 RIB_GENERIC_ADDPATH [RFC 8050]
13-65534 Unassigned
65535 Reserved [RFC 6396]

BGP4MP Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 BGP4MP_STATE_CHANGE [RFC 6396]
1 BGP4MP_MESSAGE [RFC 6396]
2 BGP4MP_ENTRY (DEPRECATED) [RFC 6396]
3 BGP4MP_SNAPSHOT (DEPRECATED) [RFC 6396]
4 BGP4MP_MESSAGE_AS4 [RFC 6396]
5 BGP4MP_STATE_CHANGE_AS4 [RFC 6396]
6 BGP4MP_MESSAGE_LOCAL [RFC 6396]
7 BGP4MP_MESSAGE_AS4_LOCAL [RFC 6396]
8 BGP4MP_MESSAGE_ADDPATH [RFC 8050]
9 BGP4MP_MESSAGE_AS4_ADDPATH [RFC 8050]
10 BGP4MP_MESSAGE_LOCAL_ADDPATH [RFC 8050]
11 BGP4MP_MESSAGE_AS4_LOCAL_ADDPATH [RFC 8050]
12-65534 Unassigned
65535 Reserved [RFC 6396]

BGP4MP_ET Subtype Codes

Registration Procedure(s)
IETF Review
Reference
[RFC 6396]
Available Formats

CSV
Value Name Reference
0 BGP4MP_STATE_CHANGE [RFC 6396]
1 BGP4MP_MESSAGE [RFC 6396]
2 BGP4MP_ENTRY [RFC 6396]
3 BGP4MP_SNAPSHOT [RFC 6396]
4 BGP4MP_MESSAGE_AS4 [RFC 6396]
5 BGP4MP_STATE_CHANGE_AS4 [RFC 6396]
6 BGP4MP_MESSAGE_LOCAL [RFC 6396]
7 BGP4MP_MESSAGE_AS4_LOCAL [RFC 6396]
8 BGP4MP_MESSAGE_ADDPATH [RFC 8050]
9 BGP4MP_MESSAGE_AS4_ADDPATH [RFC 8050]
10 BGP4MP_MESSAGE_LOCAL_ADDPATH [RFC 8050]
11 BGP4MP_MESSAGE_AS4_LOCAL_ADDPATH [RFC 8050]
12-65534 Unassigned
65535 Reserved [RFC 6396]