Understand troubleshooting on Nexus 5600 and 6000 platforms and Provide the tools to effectively resolve any issues

PDF File you can find HERE >> Cisco_troublshooting


Nexus 5596 boot variable on next reload

As i know, you don’t need do perform another install all because the upgrade seems to worked correctly (infact current running images are kickstart image file is: bootflash:///n5000-uk9-kickstart.7.0.6.N1.1.bin and system image file is: bootflash:///n5000-uk9.7.0.6.N1.1.bin .

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Nexus 3000/5000/7000 Use of the Ethanalyzer Tool

The information in this document is based on Nexus 3000, Nexus 5000, and Nexus 7000 switches.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

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Cisco Nexus 3000 Series NX-OS

Modular QoS CLI

The Cisco Modular QoS CLI (MQC) provides a standard set of commands for configuring QoS.

You can use MQC to define additional traffic classes and to configure QoS policies for the whole system and for individual interfaces. Configuring a QoS policy with MQC consists of the following steps:

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Replacing a failed Nexus 5K and some bugs.

Being given the task of replacing a failed Nexus 5596UP (no console output, powers up with fans but no lights except amber on the mgmt. module at the back), I quickly ran into some annoying problems trying to configure the FEX uplinks before actually racking it and plugging it in. I wanted to get as much config done beforehand as possible to minimize any interruptions – I was also a bit nervous as this unit was in the VPC primary role before it failed.

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