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Tag: nx-os

MST and Private VLAN Synchronize

A small example about the “private-vlan synchronize” command in MST configuration mode (vlan 100 = primary VLAN, vlan 101 = secondary (isolated) VLAN): n5k-1(config-mst)# show Pending MST Configuration Name      [test] Revision  0     Instances configured 3 Instance  Vlans mapped ——–  ——————————————————————— 0         1000-4094 1         1-100 2         101-999 ——————————————————————————- These secondary vlans are not mapped to the […]

NX-OS and IOS Default Configuration Differences

I just found this a couple of days ago: http://docwiki.cisco.com/wiki/Cisco_NX-OS/IOS_Software_Default_Configuration_Differences Good summary about the default configuration differences between NX-OS and IOS. Lots of people are familiar with the settings in IOS but NX-OS is often a new experience. That document is one of the must-read documents for those who are migrating routing from good old […]

FEX Pre-provisioning

Today, in the highlight: FEX pre-provisioning. What is a FEX? It is Fabric Extender, a “remote line card” used in Cisco Nexus series switches. It is managed through its parent switch (like Nexus 5000 or Nexus 7000) but looks externally like a traditional data center access switch. In some cases you would like to configure […]

Dual-layer vPC on Nexus 5000

Doing some googling for the coming NX-OS 5.1(3)N1(1) for Nexus 5000 I found this: Cisco NX-OS Software Release 5.1(3)N1(1) for Cisco Nexus 5000 Series Switches and 2000 Series Fabric Extenders: https://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/product_bulletin_c25-686744.pdf Update: The same document in HTML: http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/product_bulletin_c25-686744.html Yes there are the goodies like FabricPath and Adapter FEX and PTP, but who cares about those […]

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