Hi Reshad
On Sun, Feb 20, 2022 at 12:02 PM Reshad Rahman wrote:
> Hi Gyan,
>
> As stated below, this document specifies how classical BFD (RFC5880)
> sessions can be initiated only by 1 side. This is orthogonal to use of
> demand mode or echo mode in BFD (which can be used once the sessions are
Hi Reshad
On Sun, Feb 27, 2022 at 11:09 AM Reshad Rahman wrote:
> Hi Gyan,
>
> Please see inline.
>
> On Sunday, February 20, 2022, 12:29:45 PM EST, Gyan Mishra <
> hayabusa...@gmail.com> wrote:
>
>
>
> Understood as it only applies to Classical BFD with 3 way handshake which
> would preclude S-
Hi Gyan,
Please see inline.
On Sunday, February 20, 2022, 12:29:45 PM EST, Gyan Mishra
wrote:
Understood as it only applies to Classical BFD with 3 way handshake which would
preclude S-BFD which does not have 3-way handshake and I believe that is why it
does not apply.
Once the sessi
Hi Reshad
We discussed OSPF strict mode and that is a change to OSPF to run in strict
mode meaning allow BFD to come up before OSPF, and I asked Robert Raszuk on
that drafts WGLC and we agreed that unsolicited BFD is not applicable to
strict mode.
In theory the thought was with unsolicited BFD to
Understood as it only applies to Classical BFD with 3 way handshake which
would preclude S-BFD which does not have 3-way handshake and I believe that
is why it does not apply.
Once the session is up per RFC 588O the session switches to Demand mode
with D bit and initiate Poll sequence P bit and F
Hi Gyan,
BFD strict mode below specifies how OSPF signals its requirement for BFD to be
up. If you have OSPF at each end, no need for "unsolicited BFD".
Regards,Reshad.
On Sunday, February 13, 2022, 03:03:19 PM EST, Gyan Mishra
wrote:
Hi ReshadÂ
Also I think unsolicited BFD should app
Hi Gyan,
As stated below, this document specifies how classical BFD (RFC5880) sessions
can be initiated only by 1 side. This is orthogonal to use of demand mode or
echo mode in BFD (which can be used once the sessions are up, whether
"unsolicited BFD" has been used or not).
S-BFD has its own pr
Hi Reshad
Also I think unsolicited BFD should apply as well to BFD strict mode.
https://datatracker.ietf.org/doc/html/draft-ietf-lsr-ospf-bfd-strict-mode
I will comment on that thread.
Kind Regards
Gyan
On Sun, Feb 13, 2022 at 2:59 PM Gyan Mishra wrote:
>
> Hi Reshad
>
> Could this unsolici
Hi Reshad
Could this unsolicited BFD concept be applied to S-BFD RFC 7880, 7881, 7885?
Also could it be applied to RFC 5880 demand mode?
I will review through the draft again for any further comments.
Many Thanks
Gyan
On Sun, Feb 13, 2022 at 12:04 PM Reshad Rahman wrote:
> Hi Gyan,
>
> Apo
Hi Gyan,
Apologies for the delay and thanks for the feedback.
The document is applicable to single-hop and multi-hop. In the next revision,
we will clarify this and extend the YANG model to include multi-hop.
The "unsolicited BFD" procedure allows a BFD session to be initiated only by 1
side. On
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