The following errata report has been verified for RFC9136,
"IP Prefix Advertisement in Ethernet VPN (EVPN)". 

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid8474

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Status: Verified
Type: Technical

Reported by: Zhaohui (Jeffrey) Zhang <[email protected]>
Date Reported: 2025-06-20
Verified by: Gunter Van de Velde (IESG)

Section: 4.1

Original Text
-------------
   An example of inter-subnet forwarding between subnet SN1, which uses
   a 24-bit IP prefix (written as SN1/24 in the future), and a subnet
   sitting in the WAN is described below.  NVE2, NVE3, DGW1, and DGW2
   are running BGP EVPN.  TS2 and TS3 do not participate in dynamic
   routing protocols, and they only have a static route to forward the
   traffic to the WAN.  SN1/24 is dual-homed to NVE2 and NVE3.

Corrected Text
--------------
   An example of inter-subnet forwarding between subnet SN1, which uses
   a 24-bit IP prefix (hereafter referred to as SN1/24), and a subnet
   sitting in the WAN is described below.  NVE2, NVE3, DGW1, and DGW2
   are running BGP EVPN.  TS2 and TS3 do not participate in dynamic
   routing protocols, and they only have a static route to forward the
   traffic to the WAN.  SN1/24 is dual-homed to NVE2 and NVE3.

Notes
-----
In the original text, the phrase:

"(written as SN1/24 in the future)"

may be misinterpreted. The intended meaning is that the notation SN1/24, 
referring to subnet SN1 with a 24-bit IP prefix, will be used throughout the 
remainder of the document for brevity. However, the wording could be 
ambiguously perceived as either (a) suggesting that this notation will be 
adopted in future revisions or drafts, or (b) implying a forward-looking change 
in nomenclature.

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RFC9136 (draft-ietf-bess-evpn-prefix-advertisement-11)
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Title               : IP Prefix Advertisement in Ethernet VPN (EVPN)
Publication Date    : October 2021
Author(s)           : J. Rabadan, Ed., W. Henderickx, J. Drake, W. Lin, A. 
Sajassi
Category            : PROPOSED STANDARD
Source              : BGP Enabled ServiceS
Stream              : IETF
Verifying Party     : IESG

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