Re: [IPFIX] IPFIX export: SNMP versus physical Interface
Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Tue, 26 July 2011 13:15 UTC
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Date: Tue, 26 Jul 2011 15:15:14 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Paul Aitken <paitken@cisco.com>
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Cc: IETF IPFIX Working Group <ipfix@ietf.org>
Subject: Re: [IPFIX] IPFIX export: SNMP versus physical Interface
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On Tue, Jul 26, 2011 at 01:30:17PM +0100, Paul Aitken wrote: > Dear IPFIXers, > > I noticed that the definitions of fields 10 and 14, and fields 252 > and 253 are confusingly similar. See below. > > Cisco uses fields 10 and 14 to export the logical or virtual > interface (eg. SVI, tunnel), while fields 252 and 253 export the > actual physical interface. > > For example, if we have an SVI configured on a VLAN, the SNMP index > of the SVI would be exported using fields 10 and 14, while the SNMP > index of the physical port in that VLAN would be exported with > fields 252 and 253. > > So I propose to update fields 10 and 11 to say, "the index of the > logical or virtual interface ...", to contrast with 252 and 253 > which say, "The index of a networking device's physical interface > ...". Not sure this is right because if I only have a physical interface and no logical/virtual interfaces, I think I still want to report the physical interface in fields 10 and 11, no? I am not sure why there is actually a need to change something here. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1, 28759 Bremen, Germany Fax: +49 421 200 3103 <http://www.jacobs-university.de/>
- [IPFIX] IPFIX export: SNMP versus physical Interf… Paul Aitken
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Juergen Schoenwaelder
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Paul Aitken
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Brian Trammell
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Andrew Feren
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Juergen Schoenwaelder
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Juergen Quittek
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Benoit Claise
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Andrew Feren
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Juergen Quittek
- Re: [IPFIX] IPFIX export: SNMP versus physical In… Benoit Claise