Hi Les,

Thank you very much for the clarification.

Regards,
Venkat.

On Wed, Sep 21, 2022 at 9:02 AM Les Ginsberg (ginsberg) <[email protected]>
wrote:

> Venkat –
>
>
>
> First, you really should be looking at RFC 7794 – the use of R,N flags in
> prefix-sid sub-tlv only exists for backwards compatibility with early
> implementation of SR-MPLS.
>
> The proper place to set/read these flags is in the prefix-attributes
> sub-TLV as they have meaning even when SR is not deployed.
>
>
>
> Yes – N flag can be set for a prefix that has been redistributed from
> another routing protocol – but implementations need to have a way to know
> that the redistributed prefix qualifies as a node prefix in the source
> protocol.
>
> The means of determining that is outside the scope of the RFC.
>
>
>
> The state of the R flag has no impact on the state on the N flag.
>
>
>
>    Les
>
>
>
>
>
> *From:* Lsr <[email protected]> *On Behalf Of * Venkataratnam Naidu
> *Sent:* Tuesday, September 20, 2022 12:45 AM
> *To:* [email protected]
> *Subject:* [Lsr] Clarification needed on N-flag in “prefix-sid” sub-tlv
> for redistributed routes
>
>
>
> Hello experts,
>
>
>
> Could you please help me to clarify the points below ?
>
>
>
> 1.  Is it valid to set N-Flag in "prefix-sid" sub-tlv for redistributed
> routes.
>
> 2.  if not valid, then what should be the receiver behavior when it
> receives a prefix with R&N set in "prefix-sid" sub-tlv
>
>
>
> Regards,
>
> Venkat.
>
_______________________________________________
Lsr mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/lsr

Reply via email to