Internet Assigned Numbers Authority
Generic Associated Channel (G-ACh) Parameters
Created
2014-02-07
Last Updated
2025-06-02
Available Formats
[IMG]
XML [IMG]
HTML [IMG]
Plain text
Registries Included Below
??MPLS Generalized Associated Channel (G-ACh) Types (including Pseudowire Associated Channel Types)
??G-ACh Advertisement Protocol Application Registry
??G-ACh Advertisement Protocol: GAP TLV Objects (Application ID 0)
??G-ACh Advertisement Protocol: Ethernet Interface Parameters
??CC/CV MEP-ID TLV Registry
??Measurement Timestamp Type
??Loss/Delay Measurement Control Code: Query Codes
??Loss/Delay Measurement Control Code: Response Codes
??MPLS Loss/Delay Measurement TLV Object
??Return Path Sub-TLV Types
??MPLS Fault OAM Message Type Registry
??MPLS Fault OAM Flag Registry
??MPLS Fault OAM TLV Registry
??MPLS PSC Request Registry
??MPLS PSC TLV Registry
??MPLS PSC Capability Flag Registry
??MPLS RTM TLV Registry
??MPLS RTM Sub-TLV Registry
??MPLS-TP DHC TLVs
??MPLS RPS Request Code Registry
MPLS Generalized Associated Channel (G-ACh) Types (including Pseudowire Associated Channel Types)
Registration Procedure(s)
IETF Review
Reference
[RFC4385][RFC5586][RFC Errata 1940][RFC7026][RFC7214]
Available Formats
[IMG]
CSV
Value Description Reference
0x0000 Reserved
0x0001 Management Communication Channel (MCC) [RFC5718]
0x0002 Signaling Communication Channel (SCC) [RFC5718]
0x0003-0x0006 Unassigned
0x0007 BFD Control, PW-ACH encapsulation (without IP/UDP Headers) [RFC5885]
0x0008 S-BFD Control, PW-ACH/L2SS encapsulation (without IP/UDP Headers) [RFC7885]
0x0009 MPLS-TP Dual-Homing Coordination message [RFC8185]
0x000A MPLS Direct Loss Measurement (DLM) [RFC6374]
0x000B MPLS Inferred Loss Measurement (ILM) [RFC6374]
0x000C MPLS Delay Measurement (DM) [RFC6374]
0x000D MPLS Direct Loss and Delay Measurement (DLM+DM) [RFC6374]
0x000E MPLS Inferred Loss and Delay Measurement (ILM+DM) [RFC6374]
0x000F Residence Time Measurement [RFC8169]
0x0010 Time Bucket Jitter Measurement [RFC9571]
0x0011 Multi-packet Delay Measurement [RFC9571]
0x0012 Average Delay Measurement [RFC9571]
0x0013 Multipoint BFD Session [RFC9780]
0x0014-0x0020 Unassigned
0x0021 Associated Channel carries an IPv4 packet [RFC4385]
0x0022 MPLS-TP CC message [RFC6428]
0x0023 MPLS-TP CV message [RFC6428]
0x0024 Protection State Coordination Protocol - Channel Type (PSC-CT) [RFC6378]
0x0025 On-Demand CV [RFC6426]
0x0026 LI [RFC6435]
0x0027 PW OAM Message [RFC6478]
0x0028 MAC Withdraw OAM Message [RFC7769]
0x0029 PW Status Refresh Reduction [RFC8237]
0x002A Ring Protection Switching (RPS) Protocol [RFC8227]
0x002B-0x0056 Unassigned
0x0057 Associated Channel carries an IPv6 packet [RFC4385]
0x0058 Fault OAM [RFC6427]
0x0059 G-ACh Advertisement Protocol [RFC7212]
0x005A-0x7FF7 Unassigned
0x7FF8-0x7FFF Reserved for Experimental Use [RFC5586]
0x8000-0x8901 Unassigned
0x8902 G.8113.1 OAM [RFC6671]
0x8903-0xFFFF Unassigned
G-ACh Advertisement Protocol Application Registry
Registration Procedure(s)
IETF Review
Reference
[RFC7212][RFC7214]
Available Formats
[IMG]
CSV
Application ID Description Reference
0x0000 G-ACh Advertisement Protocol [RFC7212]
0x0001 Ethernet Interface Parameters [RFC7213]
0x0002-0xFFFF Unassigned
G-ACh Advertisement Protocol: GAP TLV Objects (Application ID 0)
Registration Procedure(s)
IETF Review
Reference
[RFC7212][RFC7214]
Available Formats
[IMG]
CSV
Type ID Type Name Reference
0 Source Address [RFC7212]
1 GAP Request [RFC7212]
2 GAP Flush [RFC7212]
3 GAP Suppress [RFC7212]
4 GAP Authentication [RFC7212]
5-255 Unassigned
G-ACh Advertisement Protocol: Ethernet Interface Parameters
Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC7213][RFC7214]
Available Formats
[IMG]
CSV
Type ID Type Name Reference
0 Source MAC Address [RFC7213]
1 Maximum Frame Size [RFC7213]
2-255 Unassigned
CC/CV MEP-ID TLV Registry
Registration Procedure(s)
Standards Action
Reference
[RFC6428][RFC7214]
Available Formats
[IMG]
CSV
Value Name Reference
0 Section MEP-ID [RFC6428]
1 LSP MEP-ID [RFC6428]
2 PW MEP-ID [RFC6428]
3-255 Unassigned
Measurement Timestamp Type
Registration Procedure(s)
IETF Review
Reference
[RFC6374][RFC7214]
Available Formats
[IMG]
CSV
Type Description Size in Bits Reference
0 Null Timestamp 64 [RFC6374]
1 Sequence Number 64 [RFC6374]
2 Network Time Protocol version 4 64-bit Timestamp 64 [RFC6374]
3 Truncated IEEE 1588v2 PTP Timestamp 64 [RFC6374]
4-15 Unassigned
Loss/Delay Measurement Control Code: Query Codes
Registration Procedure(s)
IETF Review
Reference
[RFC6374][RFC7214]
Available Formats
[IMG]
CSV
Code Description Reference
0x0 In-band Response Requested [RFC6374]
0x1 Out-of-band Response Requested [RFC6374]
0x2 No Response Requested [RFC6374]
0x3-0xFF Unassigned
Loss/Delay Measurement Control Code: Response Codes
Registration Procedure(s)
IETF Review
Reference
[RFC6374][RFC7214]
Note
Values 0x0-0xF are reserved for non-error response codes; please
refer to Section 4.1 of [RFC6374]
for guidelines.
Available Formats
[IMG]
CSV
Code Description Reference
0x0 Reserved [RFC6374]
0x1 Success [RFC6374]
0x2 Data Format Invalid [RFC6374]
0x3 Initialization in Progress [RFC6374]
0x4 Data Reset Occurred [RFC6374]
0x5 Resource Temporarily Unavailable [RFC6374]
0x6-0xF Unassigned
0x10 Unspecified Error [RFC6374]
0x11 Unsupported Version [RFC6374]
0x12 Unsupported Control Code [RFC6374]
0x13 Unsupported Data Format [RFC6374]
0x14 Authentication Failure [RFC6374]
0x15 Invalid Destination Node Identifier [RFC6374]
0x16 Connection Mismatch [RFC6374]
0x17 Unsupported Mandatory TLV Object [RFC6374]
0x18 Unsupported Query Interval [RFC6374]
0x19 Administrative Block [RFC6374]
0x1A Resource Unavailable [RFC6374]
0x1B Resource Released [RFC6374]
0x1C Invalid Message [RFC6374]
0x1D Protocol Error [RFC6374]
0x1E-0xFF Unassigned
MPLS Loss/Delay Measurement TLV Object
Registration Procedure(s)
IETF Review
Reference
[RFC6374][RFC7214]
Note
Types 0-127 are classified as Mandatory, and Types 128-255 are classified as Optional.
Available Formats
[IMG]
CSV
Code Description Reference
0 Padding - copy in response [RFC6374]
1 Return Address [RFC6374]
2 Session Query Interval [RFC6374]
3 Loopback Request [RFC6374]
4 Synonymous Flow Label [RFC9571]
5 Return Path [RFC9779]
6 Block Number [RFC9779]
7-126 Unassigned
127 Experimental use [RFC6374]
128 Padding - do not copy in response [RFC6374]
129 Destination Address [RFC6374]
130 Source Address [RFC6374]
131 UDP Return [RFC7876]
132-254 Unassigned
255 Experimental use [RFC6374]
Return Path Sub-TLV Types
Reference
[RFC9779]
Available Formats
[IMG]
CSV
Range Registration Procedures
1-175 IETF Review
176-239 First Come First Served
240-251 Experimental Use
252-254 Private Use
Value Description Reference
0 Reserved [RFC9779]
1 MPLS Label Stack of the Return Path [RFC9779]
2-239 Unassigned
240-251 Reserved for Experimental Use [RFC9779]
252-254 Reserved for Private Use [RFC9779]
255 Reserved [RFC9779]
MPLS Fault OAM Message Type Registry
Registration Procedure(s)
Standards Action
Reference
[RFC6427][RFC7214]
Available Formats
[IMG]
CSV
Msg Type Description Reference
0 Reserved [RFC6427]
1 Alarm Indication Signal (AIS) [RFC6427]
2 Lock Report (LKR) [RFC6427]
3-251 Unassigned
252-255 Reserved for Experimental Use [RFC6427]
MPLS Fault OAM Flag Registry
Registration Procedure(s)
Standards Action
Reference
[RFC6427][RFC7214]
Available Formats
[IMG]
CSV
Bit Hex Description Reference
0-5 Unassigned
6 0x2 L-Flag [RFC6427]
7 0x1 R-Flag [RFC6427]
MPLS Fault OAM TLV Registry
Expert(s)
Unassigned
Reference
[RFC6427][RFC7214]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-191 Standards Action
192-247 Specification Required
Value TLV Name Reference
0 Reserved [RFC6427]
1 Interface Identifier TLV [RFC6427]
2 Global Identifier [RFC6427]
3-247 Unassigned
248-255 Reserved for Experimental Use [RFC6427]
MPLS PSC Request Registry
Registration Procedure(s)
Standards Action
Reference
[RFC6378][RFC7214]
Available Formats
[IMG]
CSV
Value Description Reference
0 No Request [RFC6378]
1 Do-not-Revert [RFC6378]
2 Reverse Request [RFC7271]
3 Exercise [RFC7271]
4 Wait-to-Restore [RFC6378]
5 Manual Switch [RFC6378]
6 Unassigned
7 Signal Degrade [RFC6378]
8-9 Unassigned
10 Signal Fail [RFC6378]
11 Unassigned
12 Forced Switch [RFC6378]
13 Unassigned
14 Lockout of protection [RFC6378]
15 Unassigned
MPLS PSC TLV Registry
Registration Procedure(s)
IETF Review
Reference
[RFC6378][RFC7214]
Available Formats
[IMG]
CSV
Value Description Reference
0 Reserved, not to be allocated [RFC6378][RFC7324]
1 Capabilities [RFC7271]
2-65535 Unassigned
MPLS PSC Capability Flag Registry
Registration Procedure(s)
Standards Action
Reference
[RFC7271]
Available Formats
[IMG]
CSV
Bit Hex Value Capability Reference
0 0x80000000 priority modification [RFC7271]
1 0x40000000 non-revertive behavior modification [RFC7271]
2 0x20000000 support of MS-W command [RFC7271]
3 0x10000000 support of protection against SD [RFC7271]
4 0x08000000 support of EXER command [RFC7271]
5-31 Unassigned
MPLS RTM TLV Registry
Reference
[RFC8169]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-127 IETF Review
128-191 First Come First Served
Value Description Reference
0 Reserved [RFC8169]
1 No payload [RFC8169]
2 PTPv2, Ethernet encapsulation [RFC8169]
3 PTPv2, IPv4 encapsulation [RFC8169]
4 PTPv2, IPv6 encapsulation [RFC8169]
5 NTP [RFC8169]
6-191 Unassigned
192-254 Reserved for Private Use [RFC8169]
255 Reserved [RFC8169]
MPLS RTM Sub-TLV Registry
Reference
[RFC8169]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-127 IETF Review
128-191 First Come First Served
Value Description Reference
0 Reserved [RFC8169]
1 PTP [RFC8169]
2-191 Unassigned
192-254 Reserved for Private Use [RFC8169]
255 Reserved [RFC8169]
MPLS-TP DHC TLVs
Registration Procedure(s)
IETF Review
Reference
[RFC8185]
Available Formats
[IMG]
CSV
Type Description Length Reference
0x0000 Reserved [RFC8185]
0x0001 PW Status 20 bytes [RFC8185]
0x0002 Dual-Node Switching 16 bytes [RFC8185]
0x0003-0xFFFF Unassigned
MPLS RPS Request Code Registry
Registration Procedure(s)
Specification Required
Expert(s)
Weiqiang Cheng, Jie Dong
Reference
[RFC8227]
Available Formats
[IMG]
CSV
Value Description Reference
0 No Request (NR) [RFC8227]
1 Reverse Request (RR) [RFC8227]
2 Unassigned
3 Exercise (EXER) [RFC8227]
4 Unassigned
5 Wait-to-Restore (WTR) [RFC8227]
6 Manual Switch (MS) [RFC8227]
7-10 Unassigned
11 Signal Fail (SF) [RFC8227]
12 Unassigned
13 Forced Switch (FS) [RFC8227]
14 Unassigned
15 Lockout of Protection (LP) [RFC8227]
16-254 Unassigned
255 Reserved [RFC8227]
Licensing Terms
Presently we were in a very dark road, and at a point where it dropped suddenly between steep sides we halted in black shadow. A gleam of pale sand, a whisper of deep flowing waters, and a farther glimmer of more sands beyond them challenged our advance. We had come to a "grapevine ferry." The scow was on the other side, the water too shoal for the horses to swim, and the bottom, most likely, quicksand. Out of the blackness of the opposite shore came a soft, high-pitched, quavering, long-drawn, smothered moan of woe, the call of that snivelling little sinner the screech-owl. Ferry murmured to me to answer it and I sent the same faint horror-stricken tremolo back. Again it came to us, from not farther than one might toss his cap, and I followed Ferry down to the water's edge. The grapevine guy swayed at our side, we heard the scow slide from the sands, and in a few moments, moved by two videttes, it touched our shore. Soon we were across, the two videttes riding with us, and beyond a sharp rise, in an old opening made by the swoop of a hurricane, we entered the silent unlighted bivouac of Ferry's scouts. Ferry got down and sat on the earth talking with Quinn, while the sergeants quietly roused the sleepers to horse. Plotinus is driven by this perplexity to reconsider the whole theory of Matter.477 He takes Aristotle¡¯s doctrine as the groundwork of his investigation. According to this, all existence is divided into Matter and Form. What we know of things¡ªin other words, the sum of their differential characteristics¡ªis their Form. Take away this, and the unknowable residuum is their Matter. Again, Matter is the vague indeterminate something out of which particular Forms are developed. The two are related as Possibility to Actuality, as the more generic to the more specific substance through every grade of classification and composition. Thus there are two Matters, the one sensible and the other intelligible. The former constitutes the common substratum of bodies, the other the common element of ideas.478 The general distinction between Matter and Form was originally suggested to Aristotle by Plato¡¯s remarks on the same subject; but he differs325 from his master in two important particulars. Plato, in his Timaeus, seems to identify Matter with space.479 So far, it is a much more positive conception than the ?λη of the Metaphysics. On the other hand, he constantly opposes it to reality as something non-existent; and he at least implies that it is opposed to absolute good as a principle of absolute evil.480 Thus while the Aristotelian world is formed by the development of Power into Actuality, the Platonic world is composed by the union of Being and not-Being, of the Same and the Different, of the One and the Many, of the Limit and the Unlimited, of Good and Evil, in varying proportions with each other. The Lawton woman had heard of an officer's family at Grant, which was in need of a cook, and had gone there. [See larger version] On the 8th of July an extraordinary Privy Council was summoned. All the members, of whatever party, were desired to attend, and many were the speculations as to the object of their meeting. The general notion was that it involved the continuing or the ending of the war. It turned out to be for the announcement of the king's intended marriage. The lady selected was Charlotte, the second sister of the Duke of Mecklenburg-Strelitz. Apart from the narrowness of her education, the young princess had a considerable amount of amiability, good sense, and domestic taste. These she shared with her intended husband, and whilst they made the royal couple always retiring, at the same time they caused them to give, during their lives, a moral air to their court. On the 8th of September Charlotte arrived at St. James's, and that afternoon the marriage took place, the ceremony being performed by the Archbishop of Canterbury. On the 22nd the coronation took place with the greatest splendour. Mother and girls were inconsolable, for each had something that they were sure "Si would like," and would "do him good," but they knew Josiah Klegg, Sr., well enough to understand what was the condition when he had once made up his mind. CHAPTER V. THE YOUNG RECRUITS Si proceeded to deftly construct a litter out of the two guns, with some sticks that he cut with a knife, and bound with pawpaw strips. His voice had sunk very low, almost to sweetness. A soft flurry of pink went over her face, and her eyelids drooped. Then suddenly she braced herself, pulled herself taut, grew combative again, though her voice shook. HoME²Ô¾®Ïè̫ʲôÐÇ×ù
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