Network technologies and trends:

Cisco 3560

July 7, 2008  10:47 AM

Cisco Catalyst Switches are Certified Green!

Posted by: Yasir Irfan
Certfied Green, Cisco 2950, Cisco 3560, Cisco 3560-E, Cisco 3750-E, Switches

I was just browsing Cisco website and figured out Cisco happens to be the first company to achieve the new certification, Certified Green by Miercom. Just to brief you about Miercom is a leading network product test center and consultancy firm. The...

July 6, 2008  6:25 AM

How to restrict the web access to Cisco Switches & Routers.

Posted by: Yasir Irfan
access-lists, Cisco, Cisco 3560, Cisco 3745, Cisco 6500, Routers, Switches

 Here in this example I am going to show you how to restrict the web access to any Cisco IOS Switch or Router. If web-based administration of the switch is necessary, then restrict HTTP access to the switch. Configure a standard access-list (e.g., 11) that allows only the administrators’...

June 24, 2008  1:19 PM

Cisco Cool tips- Series 3 -Show Controller Utilization

Posted by: Yasir Irfan
Cisco, Cisco 3560, Cisco Tips, Networking, Switches

Here is one more cool command which shows a summary of port utilization on all ports,including percentage and backplane/fabric utilization: The show controllers utilization command on the Cisco catalyst 3560 (other IOS switches probably support this) running Cisco IOS Software Release...

June 17, 2008  6:48 AM

Introduction to Cisco port security and the reasons to implement

Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 3560, Cisco 3560-E, Cisco 3750-E, Cisco 6500, Networking, Port security, Switches

A growing challenge facing network administrators is determining how to control who can access the organization's internal network—and who can't. For example, can anyone walk into campus LAN , plug in a laptop, and access the network? You might argue that the wall jack has no connection to a...

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