Got it. Thank you Thomas!
If some text can be added to clarify this usage of 
ingressInterface/egressInterface and 
ingressPhysicalInterface/egressPhysicalInterface, that would help the 
implementer.

Cheers,
Xiao Min

Original


From: thomas.g...@swisscom.com <thomas.g...@swisscom.com>
To: 肖敏10093570;
Cc: draft-gfz-opsawg-ipfix-alt-m...@ietf.org 
<draft-gfz-opsawg-ipfix-alt-m...@ietf.org>;opsawg@ietf.org 
<opsawg@ietf.org>;i...@ietf.org <i...@ietf.org>;
Date: 2024年04月03日 11:41
Subject: Re: [OPSAWG] draft-gfz-opsawg-ipfix-alt-mark-00


Dear Xiao,

 
Correct. Obviously this will be exported per flow and the interface entities 
have to be key fields as the flow entities as well.

 
Best wishes
Thomas
 On 3 Apr 2024, at 04:54, xiao.m...@zte.com.cn wrote:
 
 



Be aware: This is an external email.

 

Correcting the email address i...@ietf.org.
 
Hi Thomas,
 
If I understand you correctly, you mean the IE exporter can use 
ingressInterface/egressInterface to indicate LAG port and 
ingressPhysicalInterface/egressPhysicalInterface to indicate LAG member port, 
so the receiver can deduce the implicit meanings of them if they have different 
values, is that right?

 

Cheers,
Xiao Min
 







From: thomas.g...@swisscom.com <thomas.g...@swisscom.com>
To: 肖敏10093570;draft-gfz-opsawg-ipfix-alt-m...@ietf.org 
<draft-gfz-opsawg-ipfix-alt-m...@ietf.org>;
Cc: opsawg@ietf.org <opsawg@ietf.org>;'i...@ietf.org <'i...@ietf.org>;
Date: 2024年04月02日 19:32
Subject: RE: [OPSAWG] draft-gfz-opsawg-ipfix-alt-mark-00



Dear Xiao,
 
I agree that the description and the additional information does not provide 
information to distinguish between
 
ingressInterface, egressInterface
 
and
 
ingressPhysicalInterface, egressPhysicalInterface
 
However from an implementation perspective I have observed that in all cases 
ingressInterface and egressInterface refer to logical and 
ingressPhysicalInterface and egressPhysicalInterface to physical interfaces.
 
Where ingressInterfaceType and egressInterfaceType, which references to 
https://www.iana.org/assignments/ianaiftype-mib/ianaiftype-mib, is describing 
what type of interface it is.
 
I would expect in a LAG configuration that the lag interface is 
ingressInterface resp. egressInterface and the member interfaces are 
ingressPhysicalInterface resp. egressPhysicalInterface.
 
I hope that helps.
 
Best wishes
Thomas
 


From: OPSAWG <opsawg-boun...@ietf.org> On Behalf Of xiao.m...@zte.com.cn
 Sent: Tuesday, April 2, 2024 10:58 AM
 To: draft-gfz-opsawg-ipfix-alt-m...@ietf.org
 Cc: opsawg@ietf.org; 'i...@ietf.org
 Subject: [OPSAWG] draft-gfz-opsawg-ipfix-alt-mark-00



 


 
Be aware: This is an external email.



 
Hi authors,
 
At the request of Giuseppe, I had a read on draft-gfz-opsawg-ipfix-alt-mark-00.
There are IPFIX IEs ingressInterface, egressInterface, ingressPhysicalInterface 
and egressPhysicalInterface, is there an IE indicating a LAG interface? 
 
Best Regards,
Xiao Min
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