Routing Protocol for Low Power and Lossy Networks (RPL)

Created

  • 2011-04-08

Last Updated

  • 2026-04-17

Available Formats

RPL Control Codes

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Code Description Reference
0x00 DODAG Information Solicitation RFC 6550
0x01 DODAG Information Object RFC 6550
0x02 Destination Advertisement Object RFC 6550
0x03 Destination Advertisement Object Acknowledegment RFC 6550
0x04 P2P Discovery Reply Object RFC 6997
0x05 P2P Discovery Reply Object Acknowledgement RFC 6997
0x06 Measurement Object RFC 6998
0x07 Destination Cleanup Object RFC 9009
0x08 Destination Cleanup Object Acknowledgment RFC 9009
0x09 Projected DAO Request (P-DAO-REQ) RFC 9914
0x0A Projected DAO Request Acknowledgment (PDR-ACK) RFC 9914
0x0B-0x7A Unassigned
0x80 Secure DODAG Information Solicitation RFC 6550
0x81 Secure DODAG Information Object RFC 6550
0x82 Secure Destination Advertisement Object RFC 6550
0x83 Secure Destination Advertisement Object Acknowledgment RFC 6550
0x84 Secure P2P Discovery Reply Object RFC 6997
0x85 Secure P2P Discovery Reply Object Acknowledgement RFC 6997
0x86 Secure Measurement Object RFC 6998
0x87 Secure Destination Cleanup Object RFC 9009
0x88 Secure Destination Cleanup Object Acknowledgment RFC 9009
0x89 Unassigned
0x8A Consistency Check RFC 6550
0x8B-0xFF Unassigned

Mode of Operation

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks
  • RFC 9008: Using RPI Option Type, Routing Header for Source Routes, and IPv6-in-IPv6 Encapsulation in the RPL Data Plane

Available Formats

Value Description Reference
0 No Downward routes maintained by RPL RFC 6550
1 Non-Storing Mode of Operation RFC 6550
2 Storing Mode of Operation with no multicast support RFC 6550
3 Storing Mode of Operation with multicast support RFC 6550
4 P2P Route Discovery Mode of Operation RFC 6997; RFC 9854
5 Non-Storing Mode of Operation with ingress replication multicast support RFC 9685
6 Unassigned
7 Reserved RFC 9008; RFC 9010; RFC 9035; RFC 9914

RPL Control Message Options

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Value Meaning Reference
0x00 Pad1 RFC 6550
0x01 PadN RFC 6550
0x02 DAG Metric Container RFC 6550
0x03 Routing Information RFC 6550
0x04 DODAG Configuration RFC 6550
0x05 RPL Target RFC 6550
0x06 Transit Information RFC 6550
0x07 Solicited Information RFC 6550
0x08 Prefix Information RFC 6550
0x09 Target Descriptor RFC 6550
0x0A P2P Route Discovery RFC 6997
0x0B RREQ RFC 9854
0x0C RREP RFC 9854
0x0D ART RFC 9854
0x0E RNFD Option RFC 9866
0x0F Stateful Storing Mode VIO (SM-VIO) RFC 9914
0x10 Source-Routed Non-Storing Mode VIO (NSM-VIO) RFC 9914
0x11 Sibling Information Option (SIO) RFC 9914
0x12-0xFF Unassigned

Objective Code Point (OCP)

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Code Description Reference
0 A basic Objective Function that relies only on the objects that are defined in RFC 6550. RFC 6552
1 Minimum Rank with Hysteresis Objective Function (MRHOF) RFC 6719
2-65535 Unassigned

Security Section Algorithm

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Value Encryption/MAC Signature Reference
0 CCM with AES-128 RSA with SHA-256 RFC 6550
1-255 Unassigned Unassigned

Security Section Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0-7 Unassigned

Per-KIM Security Levels

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Level KIM Value Description Reference
0 0 See Figure 11 RFC 6550
1 0 See Figure 11 RFC 6550
2 0 See Figure 11 RFC 6550
3 0 See Figure 11 RFC 6550
0 1 See Figure 11 RFC 6550
1 1 See Figure 11 RFC 6550
2 1 See Figure 11 RFC 6550
3 1 See Figure 11 RFC 6550
0 2 See Figure 11 RFC 6550
1 2 See Figure 11 RFC 6550
2 2 See Figure 11 RFC 6550
3 2 See Figure 11 RFC 6550
0 3 See Figure 11 RFC 6550
1 3 See Figure 11 RFC 6550
2 3 See Figure 11 RFC 6550
3 3 See Figure 11 RFC 6550

DODAG Informational Solicitation (DIS) Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0-7 Unassigned

DODAG Information Object (DIO) Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0-7 Unassigned

Destination Advertisement Object (DAO) Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0 DAO-ACK request (K) RFC 6550
1 DODAGID field is present (D) RFC 6550
2 Projected DAO (P) RFC 9914
3-7 Unassigned

Destination Advertisement Object (DAO) Acknowledgment Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0 DODAGID field is present (D) RFC 6550
1 Projected DAO Acknowledgment (P) RFC 9914
2-7 Unassigned

Consistency Check (CC) Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0 CC Response (R) RFC 6550
1-7 Unassigned

DODAG Configuration Option Flags for MOP 0..6

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks
  • RFC 9008: Using RPI Option Type, Routing Header for Source Routes, and IPv6-in-IPv6 Encapsulation in the RPL Data Plane

Available Formats

Bit Number Capability Description Reference
0 Projected Routes Support (D) RFC 9914
1 Root Proxies EDAR/EDAC (P) RFC 9010
2 Enable Compression per RFC 8138 (T) RFC 9035
3 RPI 0x23 enable RFC 9008
4 Authentication Enabled (A) RFC 6550
5-7 Path Control Size (PCS) RFC 6550

RPL Target Option Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks
  • RFC 9010: Routing for RPL (Routing Protocol for Low-Power and Lossy Networks) Leaves

Available Formats

Bit Number Capability Description Reference
0 Advertiser address in Full (F) RFC 9010
1 Proxy EDAR Requested (X) RFC 9010
2-3 P-Field (2 bits) RFC 9685, Section 14.1; RFC 9926

Transit Information Option Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0 External (E) RFC 6550
1 Invalidate previous route (I) RFC 9009
2-7 Unassigned

Solicited Information Option Flags

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6550: RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks

Available Formats

Bit Number Capability Description Reference
0 Version Predicate match (V) RFC 6550
1 InstanceID Predicate match (I) RFC 6550
2 DODAGID Predicate match (D) RFC 6550
3-7 Unassigned

Destination Cleanup Object (DCO) Flags

Registration Procedure(s)

  • IETF Review

Reference

Available Formats

Bit Number Capability Description Reference
0 DCO-ACK request (K) RFC 9009
1 DODAGID field is present (D) RFC 9009
2-7 Unassigned

Destination Cleanup Object Acknowledgment (DCO) Acknowledgment Flags

Registration Procedure(s)

  • IETF Review

Reference

Available Formats

Bit Number Capability Description Reference
0 DODAGID field is present (D) RFC 9009
1-7 Unassigned

RPL Non-Rejection Status

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 9010: Routing for RPL (Routing Protocol for Low-Power and Lossy Networks) Leaves

Available Formats

Value Meaning Reference
0 Success / Unqualified acceptance RFC 6550; RFC 9010
1-63 Unassigned

RPL Rejection Status

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 9010: Routing for RPL (Routing Protocol for Low-Power and Lossy Networks) Leaves

Available Formats

Value Meaning Reference
0 Unqualified rejection RFC 9010
1 No routing entry RFC 9009
2 Out of Resources RFC 9914
3 Error in VIO RFC 9914
4 Predecessor Unreachable RFC 9914
5 Unreachable Target RFC 9914
6-63 Unassigned

RPL Option Flags

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)

Available Formats

Bit Number Indication When Set Reference
0 Down (O) RFC 6553
1 Rank-Error (R) RFC 6553
2 Forwarding-Error (F) RFC 6553
3 Projected-Route (P) RFC 9914
4-255 Unassigned

Projected DAO Request (P-DAO-REQ) Flags

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)

Available Formats

Bit Number Capability Description Reference
0 PDR-ACK requested (K) RFC 9914
1 Requested path should be redundant (R) RFC 9914
2-255 Unassigned

Projected DAO Request Acknowledgment (PDR-ACK) Flags

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)
Bit Number Capability Description Reference
No registrations at this time.

PDR-ACK Acceptance Status Values

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)

Available Formats

Value Meaning Reference
0 Unqualified Acceptance RFC 9914
1-63 Unassigned

PDR-ACK Rejection Status Values

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)

Available Formats

Value Meaning Reference
0 Unqualified Rejection RFC 9914
1 Transient Failure RFC 9914
2-63 Unassigned

Via Information Options (VIO) Flags

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)
Bit Number Capability Description Reference
No registrations at this time.

Sibling Information Option (SIO) Flags

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 9914: Root-Initiated Routing State in the Routing Protocol for Low-Power and Lossy Networks (RPL)

Available Formats

Bit Number Capability Description Reference
0 'S' flag: Sibling in same DODAG as self RFC 9914
1 'B' flag: Connectivity to the sibling is roughly symmetrical RFC 9914
2-4 Unassigned