About David Kosich

David Kosich · 09-10-2012

Problem Description: A 2248TP-E FEX does not come online when connected to Nexus 7000 running 6.0x code. The state of the FEX will show as 'image download'. Below is an example from a N7K running 6.0(3). N7K# sh fex detailFEX: 101 Description: FEX010...

David Kosich · 07-16-2012

Borrowed with permission from Francis Guillier, Cisco technical marketing engineer (TME)

David Kosich · 07-05-2012

IntroductionCoPPExampleRelated Information Introduction Cisco Nexus 7000 Series Switches offer one of the most comprehensive data center network feature sets in a single platform. As ping is a common tool used to test connectivity in networks, it ...

David Kosich · 02-26-2015

Numan Faruk -- Yes, that command disables the check.So it looks like you are trying to bundle a port from WS-X6716-10GE (switch 2, module 2) & WS-X6748-GE-TX (switch 1, module 1). That won't work unless you disable the QoS check as you saw.Can you ...

David Kosich · 02-26-2015

What are the two modules you are trying to bundle together? Can you post a 'show module switch all' output?

David Kosich · 02-26-2015

You can not bundle ports in a port-channel that have different QoS queuing structures, which is what the log message is telling you. Depending on the linecard, there are a designated # of hardware queuesSo for instance, the 6800 10 port card has the ...

David Kosich · 05-21-2014

David Kosich · 04-05-2013

Hi Daniel,I don't know much about the forwarding path on the CGR. But for instance, if this were a switch (cat6500 or Cat4500 for example), and you were seeing the behavior you described, where traffic only flowed with an ACL w/log keyword in place, ...

Member Since	‎02-26-2011 08:41 AM
Date Last Visited	‎08-27-2017 11:11 PM
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2248TP-E FEX Does Not Come Online When Connected to Nexus 7000 running 6.0x code

Nexus 7000 Fex Supported/Not Supported Topologies

Packet Loss When Pinging From/To A Nexus 7000

Numan Faruk -- Yes, that

What are the two modules you

You can not bundle ports in a

Jose --Can you send this cmd

Re: CGR router with Cellular Interface