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Showing posts with label configuration. Show all posts
Showing posts with label configuration. Show all posts
Tuesday, August 14, 2012

Hello? ¿Hola? No, Bonjour!

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Last fall I helped a local school district install a Cisco wireless network consisting of 1142n APs and a 5508 controller.  All was working ...
Friday, March 30, 2012

Backup Your VLAN Database

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A junior admin at XYZ corporation was tasked with adding a switch to the XYZ network.  He grabbed a spare switch out of stock that had been ...
2 comments:
Sunday, March 11, 2012

Automatic Recovery for Err-disabled Interfaces

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There are four primary states for interfaces on Cisco switches: up, down, administratively disabled and err-disabled.  Up and down are fairl...
Tuesday, March 6, 2012

No Port for You! Using Cisco Port Security

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Most Cisco switches support a feature known as Port Security.  Port security gives the network engineer the ability to have more granular co...
2 comments:
Tuesday, October 18, 2011

NMIS Configuration Part 2

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In the previous post I presented a basic how to on configuring the basic notification system for NMIS .  Now I will show how to add networ...
10 comments:
Monday, October 17, 2011

NMIS Configuration Part 1

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Since I posted my first article about NMIS , I have had several requests to do a series on how to configure NMIS.  Although I took a break ...
3 comments:
Monday, August 29, 2011

Cisco Nexus 1000v Roundup

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This post is merely an index for the 6 post series I did on the Cisco Nexus 1000v.  I hope that beyond being a good learning experience for ...
1 comment:

Cisco Nexus 1000v - Adding Physical Ports (Part 6)

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The previous posts have established a fully configured, but unused Nexus 1000v.  At this point it's like having a physical switch in the...
Friday, August 26, 2011

Cisco Nexus 1000v Software Installation (Part 5)

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In this article I will run through installing the Virtual Ethernet Module (VEM) and creating the initial port groups on the Nexus 1000v. I...

Cisco Nexus 1000v Software Installation (Part 4)

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In the last post, I configured the VMWare stock vSwitch to allow us to start the Nexus 1000v install.  I forgot to mention one thing that I ...
Friday, August 19, 2011

Cisco Nexus 1000v Software Installation (Part 3)

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In this article I will examine the process of configuring the default VMWare vSwitch with the VLANs needed to start the Nexus 1000v Install....
Monday, June 6, 2011

Configuration Rollback Update

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Jeff over at www.fryguy.net has just blogged about the Cisco Archive and Configure tools that I discussed back in March.  He does a good ...
Friday, May 6, 2011

Fun with Port-Channels

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This week I did what I've done hundreds of times before.  I configured a new port-channel on a Cisco switch for a server.  In doing so I...
Thursday, March 31, 2011

Using Cisco Wireless Lan Controllers for a Wired Guest Network

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Most people are familiar with using Cisco's mobility anchors to provide a wireless guest network.  The usual topology is that you have a...
4 comments:
Friday, March 25, 2011

Cisco Config Rollback and Replacement

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In the previous two posts I have outlined how to create a configuration archive and how to compare configurations.  In this post I will look...
Monday, March 21, 2011

Cisco Config Diff Tools

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In the last post I examined the archive tools provided in IOS to backup device configurations to a FTP, TFTP or SCP server.  Now I would lik...
2 comments:
Friday, March 18, 2011

Cisco Config Archiving

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Not everyone can afford to install and maintain a massive change management database application for their IT infrastructure.  Thankfully at...
2 comments: