Thanks Dhruv for the clarification.

On Tue, Feb 22, 2022 at 5:17 PM Dhruv Dhody <[email protected]> wrote:

> Hi Mrinmoy,
>
> On Tue, Feb 22, 2022 at 4:52 PM Mrinmoy Das <[email protected]>
> wrote:
>
>> Hello Team,
>>
>> I found below SR-ERO validation in RFC 8664, 5.2.1
>> <https://datatracker.ietf.org/doc/html/rfc8664#section-5.2.1>. SR-ERO
>> Validation
>>
>>    The SR-ERO subobjects can be classified according to whether they
>>    contain a SID representing an MPLS label value or an index value, or
>>    no SID.  If a PCC detects that the SR-ERO subobjects are a mixture of
>>    more than one of these types, then it MUST send a PCErr message with
>>    Error-Type = 10 ("Reception of an invalid object") and Error-value =
>>    20 ("Inconsistent SIDs in SR-ERO/SR-RRO subobjects").
>>
>>
>> As per my understanding of the above text, there could be three types of
>> SIDs:
>>
>> 1. *SID index: *S-bit = 0, M = 0,C = 0
>> 2. *SID as MPLS label:* S-bit = 0, M = 1, C = 0/1
>> 3. *Null:* S-bit = 1
>>
>> Now, if a LSP contains 3 SR-ERO subobjects then all those three should
>> have the same SID type, e.g. all may be type 1, or type 2 or type 3 and
>> there shouldn't be any combination of these 3 types.
>>
>> Is this understanding correct? Please let me know.
>>
>>
> Yes! Your understanding is correct.
>
> Thanks!
> Dhruv
>
>
>
>> Thanks,
>> Mrinmoy
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>
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