Les,

Looks good to me and my co-authors! Please ship it!

—
Pax et bonum
Ron Bonica


From: Les Ginsberg (ginsberg) <[email protected]>
Date: Thursday, November 5, 2026 at 2:52 AM
To: Acee Lindem <[email protected]>; Christian Hopps <[email protected]>; 
Hannes Gredler <[email protected]>; [email protected] 
<[email protected]>
Cc: lsr-chairs <[email protected]>; Gunter Van De Velde (Nokia - BE/Antwerp) 
<[email protected]>; lsr <[email protected]>; Tony Li <[email protected]>
Subject: RE: [Lsr] Re: New Version Notification for draft-ietf-lsr-pcpps-00.txt


Authors -



Please review the proposed codepoint allocations.

Once we have your concurrence, we will make the formal request to IANA.



Thanx.



   Les/Chris/Hannes


Refer to 
https://datatracker.ietf.org/doc/draft-ietf-lsr-pcpps/<https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-ietf-lsr-pcpps/__;!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFFWXlar4$>

IANA is requested to add the following entries to the IS-IS Top-Level TLV 
Codepoints registry 
(https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml#tlv-codepoints<https://urldefense.com/v3/__https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml*tlv-codepoints__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFBRAZmj0$>):
Table 
1<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*table-1__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFJM83JCC$>:
 IS-IS Top-Level TLV 
Codepoints<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*name-is-is-top-level-tlv-codepoi__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFHWlccBy$>
Value
Name
IIH
LSP
SNP
Purge
MP
Status Reference
29
Power Group
N
Y
N
N
N
This document
26
Sleeping Adjacencies
N
Y
N
N
Y
This document

IANA is also requested to add the following entries to the IS-IS Sub-TLVs for 
TLVs Advertising Neighbor Information registry 
(https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml#isis-tlv-codepoints-advertising-neighbor-information<https://urldefense.com/v3/__https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml*isis-tlv-codepoints-advertising-neighbor-information__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFI33x8B6$>):
Table 
2<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*table-2__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFO4HB6n-$>:
 IS-IS Sub-TLVs for TLVs Advertising Neighbor 
Information<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*name-is-is-sub-tlvs-for-tlvs-adv__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFHXxZHdZ$>
Type
Description
22
23
25
141
222
223
MP
Reference
46
Power Group Member
Y
Y
N
N
Y
Y
N
This document
47
Interface PSP
Y
Y
N
N
Y
Y
N
This document
48
Unidirectional Sleeping Bandwidth (LAG only)
Y
Y
N
N
Y
Y
N
This document

IANA is also requested to add the following entry to the IS-IS Neighbor 
Link-Attribute Bit Values registry 
(https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml#isis-tlv-codepoints-19of22<https://urldefense.com/v3/__https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml*isis-tlv-codepoints-19of22__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFAcQ936b$>):
Table 
3<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*table-3__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFOzRmwvX$>:
 IS-IS Neighbor Link-Attribute Bit 
Values<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*name-is-is-neighbor-link-attribu__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFFXxBpKe$>

Table 
3<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*table-3__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFOzRmwvX$>:
 IS-IS Neighbor Link-Attribute Bit 
Values<https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-lsr-pcpps-00.html*name-is-is-neighbor-link-attribu__;Iw!!NpxR!iBdlOpYExQTUtNkApi8bIat6oit0knrsd5lS1M0WhyyPdHBXnftZ3WbkZk-qIO7_q40t99VBggWtUAUXB6hqrJHCFFXxBpKe$>
Value
Name
L2BM
Reference
0x8
Power-Sleep Capable (requested bit value 0x0008)
N
This document

We also strongly recommend that a new registry be defined: TLVs Permitted 
Embedded in a Sleeping Adjacencies TLV.
This will list the TLVs which may appear embedded in the Sleeping Adjacencies 
TLV – currently defined in the draft as “2, 22, 23, 222 and 223”.
As this does not require any new codepoints to be allocated, it does not block 
the early allocation of the new codepoints which are defined by the draft – but 
it will be helpful to implementors to know which embedded TLVs they can expect 
to receive and provides a public place for this list to be updated in the event 
new TLVs are defined in the future which may fall into this category.






>-----Original Message-----

>From: Acee Lindem <[email protected]>

>Sent: Thursday, October 29, 2026 11:49 AM

>To: Christian Hopps <[email protected]>; Hannes Gredler

><[email protected]>; Les Ginsberg (ginsberg) <[email protected]>

>Cc: lsr-chairs <[email protected]>; Gunter Van De Velde (Nokia - BE/Antwerp)

><[email protected]>; lsr <[email protected]>; Tony Li <[email protected]>

>Subject: [Lsr] Re: New Version Notification for draft-ietf-lsr-pcpps-00.txt

>

>IS-IS Experts (Chris, Les, Hannes),

>

>We've adopted the IS-IS PCPPS draft in support the TEAS PCPPS draft. Can you

>please review the allocation request?

>

>Thanks,

>Acee

>

>> On Oct 29, 2026, at 12:29 PM, Tony Li 
>> <[email protected]<mailto:[email protected]>> wrote:

>>

>> Hi chairs,

>>

>>> The next step in this process (as per RFC 7370) is for the WG chairs to

>indicate to the designated experts that they feel that early allocation should 
>be

>done at this time.

>>

>>

>>

>> Would you please do the honors?

>>

>> Thanks,

>> Tony

>>

>

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