My Cisco contact says that that 64-bit counters for the physical interfaces are supported on the
Nexus 5000s, as of NX-OS 4.1.3 N2.1.

At 7:11 AM -0800 1/26/10, [email protected] wrote:
I've also got a case open with Cisco about this. The Nexus returns 64-bit interface data for virtual interfaces (eg, port channels), but not for the physical interfaces. 32-bit interface data is returned fine, but is not of much use for 10Gigabit line speeds.

Also, another issue is that the Nexus does not return SNMP interface data in real time. Rather when you query the switch you get returned data that is 15 to 20 seconds old. Also reported to Cisco.

Dennis O'Reilly
University of British Columbia

At 5:38 AM -0500 1/26/10, Janice Losgar wrote:
Hi Roger,

We have had a couple of reports of problems with Cisco Nexus switches. It is possible that the SNMP agent on these switches is not returning Counter64 data for all interfaces on the switch. I am going to open a support ticket for this issue, and I am sure I will be needing some additional information as well. You'll receive a support ticket shortly.

Regards,

Janice Losgar
Dartware, LLC

On Jan 25, 2010, at 9:34 PM, WA6ZVP wrote:

 (Don't ask me why the heck these are 32 bit counters on
 a 10Gbps switch) :)

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