Re: Implementation/Conformance Poll for rfc5881 (draft-ietf-bfd-rfc5881bis) - ZTE Details

[[e-mail]]

Hi all,

Please find ZTE's implementation report as below.


Organization: ZTE Corporation
 
Implementation Name:
ZXROSNGV15.10.30
 
Description: Details about ZTE Implementation of RFC 5881.
 
Maturity: Widely used in general terms.
 
Coverage:


  For each section, indicate if implemented or not.
 
  2: Multiple Session Support    - Implemented

  2: IPv4 and IPv6 supported      - Implemented

  2: Echo Function                         - Not Implemented. Only Unaffiliated BFD Echo Implemented.

  3: Session association with a received Your Discriminator set to zero  - Implemented

  4: UDP destination port 3784 (Control Packets)             - Implemented

  4: UDP source port in the 49152 through 65535 range    - Implemented

  4: Unique UDP source ports                                                - Not Implemented

  4: UDP destination port 3785 (Echo Packets)                            - Implemented, only for Unaffiliated BFD Echo

  5: Generalized TTL Security Mechanism (authentication not in use)               - Not Implemented

  5: Generalized TTL Security Mechanism (authentication in use)                     - Not Implemented

  6: Enforce one-hop path           - Implemented  

  6: Multiaccess Networks         - Implemented

  6: Point-to-Point Links              - Not Implemented

  7: Tunnels                                      - Implemented

Licensing: Proprietary
 
Implementation experience: N/A
 
Comments (optional):
 
Contact Information: Zhao Yanhua - [e-mail]
 
Date: Aug 31, 2026

Cheers,
Xiao Min


Original


From: RajaguruVeluchamy(rvelucha) <rvelucha=[e-mail]>
  
To: [e-mail] <[e-mail]>;
  
Date: 2026年08月18日 21:45
  
Subject: RE: Implementation/Conformance Poll for rfc5881 (draft-ietf-bfd-rfc5881bis) - Cisco Details
  




HI Team,
 
Organization: Cisco Systems, Inc
 
Implementation Name: 
IOS XR Version 4.0 
IOS XE Version 12.0(31)S2
IOS NX Version 5.0(2)
 
Description: Details about Cisco Implementation of RFC 5881.
 
Maturity: Widely used in general terms.
 
Coverage:
 
  For each section, indicate if implemented or not.
 
  2: Multiple Session Support    - Implemented

  2: IPv4 and IPv6 supported      - Implemented

  2: Echo Function                         - Implemented

  3: Session association with a received Your Discriminator set to zero  - Implemented

  4: UDP destination port 3784 (Control Packets)             - Implemented

  4: UDP source port in the 49152 through 65535 range    - Implemented

  4: Unique UDP source ports                                                - Implemented

  4: UDP destination port 3785 (Echo Packets)                            - Implemented

  5: Generalized TTL Security Mechanism (authentication not in use)               - Implemented

  5: Generalized TTL Security Mechanism (authentication in use)                     - Implemented

  6: Enforce one-hop path           - Implemented   

  6: Multiaccess Networks         - Implemented

  6: Point-to-Point Links              - Implemented

  7: Tunnels                                      - Implemented
 
Licensing: Proprietary
 
Implementation experience:
 
      -  None.
 
Comments (optional):
 
Contact Information: Rajaguru Veluchamy - [e-mail]
 
Date: Aug 18, 2026
==============================================
Regards
V.Rajaguru
XR/BFD/PI
 

From: Alvaro Retana <[e-mail]> 
 Sent: 24 June 2026 04:24 PM
 To: Rajaguru Veluchamy (rvelucha) <[e-mail]>
 Subject: RE: Implementation/Conformance Poll for rfc5881 (draft-ietf-bfd-rfc5881bis)


 

Thanks!


 
On June 24, 2026 at 1:43:26 AM, Rajaguru Veluchamy (rvelucha) ([e-mail]) wrote:


Hi Alvaro,
We will get this filled out, from Cisco and get back.
 
Regards
V.Rajaguru
XR/BFD/PI
 

From: Alvaro  Retana <[e-mail]> 
 Sent: Wednesday, June 24, 2026 05:30 AM
 To: [e-mail]
 Subject: Implementation/Conformance Poll for rfc5881 (draft-ietf-bfd-rfc5881bis)


 
Hi!
 
This email starts an implementation/conformance poll for rfc5881.
 
Please consider the information requested below and reply to this poll with data about your implementation. You  can do it in one of the following ways:
 
(1) Reply to this message.
 
(2) Fill out this form: https://forms.gle/BnNqXumrUeDXnikC9 
 
(3) Submit a PR in GitHub; here's a template: https://github.com/bfd-wg/draft-ietf-bfd-rfc5881-bis/blob/main/rfc5881_Conformance.xml 
 
Thanks!
 
Alvaro.
 
 
# Required Information:
 
Organization:
 
Implementation Name:
 
Description:
 
Maturity:
 
Coverage:
 
  For each section, indicate if implemented or not.
 
  2: Multiple Session Support
 
  2: IPv4 and IPv6 supported
 
  2: Echo Function
 
  3: Session association with a received Your Discriminator set to zero
 
  4: UDP destination port 3784 (Control Packets)
 
  4: UDP source port in the 49152 through 65535 range
 
  4: Unique UDP source ports
 
  4: UDP destination port 3785 (Echo Packets)
 
  5: Generalized TTL Security Mechanism (authentication not in use)
 
  5: Generalized TTL Security Mechanism (authentication in use)
 
  6: Enforce one-hop path
 
  6: Multiaccess Networks
 
  6: Point-to-Point Links
 
  7: Tunnels
 
Licensing:
 
Implementation Experience:
 
Comments (optional):
 
Contact Information:
 
Date: