Nexsus 7K module Trouble-shooting Commands

Powering On or Off Specific Module : config # poweroff module 5 # for power off config # no poweroff module 5 # for poweron module   power redundancy-mode power redundancy-mode {combined | insrc-redundant | ps-redundant | redundant} no power redundancy-mode {combined | insrc-redundant | ps-redundant | redundant} show diagnostic result module 18 show module tac-pac bootflash:tech.txt show tech module 1 show tech gold show hardware internal errors module 1 | diff – issue this…

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Nexsus load balancing mechanism for FcoE Mappings

On the Nexus 5000, the default load balancing mechanism on the LACP port-channel is source-destination. If we leave it in this state, all the FCoE traffic will take the same link in the port channel when the Nexus 5000 is forwarding frames to the upstream device. To enable the Nexus 5000 to load balance using exchange IDs, we configure it for ‘source-dest-port’ load balancing. Nexus5000(config)# port-channel load-balance ethernet ? destination-ip    Destination IP address destination-mac   Destination…

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Example:Mapping VSANs to VLANs

Example:Mapping VSANs to VLANs The following example shows how to configure the FCoE VLAN and a virtual Fibre Channel interface: SUMMARY STEPS 1.    Enable the associated VLAN and map the VLAN to a VSAN. For Cisco Nexus 7000, ensure you are in the storage VDC. 2.    Configure the VLAN on a physical Ethernet interface. 3.    Create a virtual Fibre Channel interface and bind it to a physical Ethernet interface. For Cisco Nexus 7000, ensure you are in the…

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Nexus 5500 to Nexus 7000 Multi-Hop FCoE Configuration Example

Configure In order to begin this process, you must verify that: The Nexus 7000 has the FCoE feature enabled. The module F1 is licensed for FCoE. The system Quality of Service (QoS) is set correctly. The storage Virtual Device Contexts (VDC) are created. The dedicated and shared interfaces are configured. In order to configure the Nexus 7000 Switch for Multi-Hop FCoE, complete these steps. Enter these commands: default_vdc(config)# license fcoe module 1 default_vdc(config)#system qos default_vdc(config-sys-qos)# service-policy…

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Cisco NX-OS/IOS Netflow Comparison

Cisco NX-OS/IOS Netflow Comparison Objective This tech note outlines the main differences in NetFlow between Cisco® NX-OS Software and Catalyst 6500 Sup720/Sup32 running Cisco IOS® Software. Sample configurations are included for Cisco NX-OS and Cisco IOS Software for some common features to demonstrate the similarities and differences. Please refer to the NX-OS documentation on Cisco.com for a complete list of supported features. It should be noted that the Catalyst 6500 range now ships a new…

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Routing over Nexus 7000 vPC peer-link? Yes and No.

This is a Nexus 7000 design question that comes up from time to time: In a Nexus 7000 Vpc environment, how can I form a layer 3 adjency between the two switches. Lets say I want to run OSPF and want to create two SVIs on the two switches connected via Vpc, Will the neighborship relation be formed over the Vpc Peer link or is the peer link only designed for control traffic for Vpc….

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New design guide: VMware NSX with Cisco UCS and Nexus 7000

New design guide: VMware NSX with Cisco UCS and Nexus 7000   why you would deploy VMware NSX with your Cisco UCS and Nexus gear.  The gist being that NSX adds business agility, a rich set of virtual network services, and orders of magnitude better performance and scale to these existing platforms.  The response to this piece was phenomenal with many people asking for more details on the how. The choice is clear.  To obtain a…

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