Network technologies and trends:

November, 2011


November 30, 2011  6:08 AM

A review for CCDA 640-864 Official Cert Guide

Posted by: Yasir Irfan
640-864, A review for CCDA 640-864 Official Cert Guide, CCDA, CCDA 640-864 Official Cert Guide, Cisco Press, General Network Design, LAN and WAN Design, Pearson Cert Practice Engine, Routing Protocols Design, Security, video design, Voice, Wireless Networks

An Excellent title not only serves to pass the CCDA 640-864 exam but also a great reference asset just simply because it covers each and every topic in great detail. As other Cisco Press titles this book too follows the same style by stating pit with the "Do I Know This Already Quiz" which give you...

November 29, 2011  6:39 AM

Cisco Voice Codec Bandwidth Calculator, a handy tool to calculate voice bandwidth requirements.

Posted by: Yasir Irfan
bandwidth requirements, CCO, CCO Login id, Cisco Design, cisco tools, Cisco Voice Codec Bandwidth Calculator, delay, IP Telephony Design, IP Telephony Networks, ITP, Network Design, Network Technologies and Trends, QOS, Voice Codec Bandwidth Calculator

While designing an IP Telephone Network we need to be aware of few important things such as bandwidth requirements, delay and QOS of schemes. The most important thing while designing an ITP network is the proper capacity planning. Within capacity planning, bandwidth calculation is an important...

November 29, 2011  5:10 AM

What is “socket SO_UDPCHECKSUM option setting failed error” in Cisco Catalyst 6500 Series Switch?

Posted by: Yasir Irfan
12.2(33)SXI1, Cisco, Cisco Catalyst 6500 Series Switch, Cisco Logs, Cisco Switches, configuration of IP SLA, IOS bug, IOS Upgrade, IP SLA, IP SLA errors, socket SO_UDPCHECKSUM option setting failed error, Switches Configurations, torubleshooting, What is “socket SO_UDPCHECKSUM option setting failed error” in Cisco Catalyst 6500 Series Switch

While checking the daily logs in one our Cisco Catalyst 6500 Series Switch I figured out following error "socket SO_UDPCHECKSUM option setting failed error". For the past five years this Cisco Catalyst Switch worked well without any problems, the sudden emergence of this error "socket...

November 26, 2011  5:42 AM

What is Cisco Smart Call Home?

Posted by: Yasir Irfan
Cisco Catalyst 6500 Series Switches, Cisco EEM, Cisco GOLD, Cisco NX-OS, Cisco SUP 720 Supervisor Engine, Higher Network Ability Reduced Network TCO, Implementing Cisco Data Center Networking Infrastructure 2, Improved Network Performance, interactive technical support, Nexus 7010 Series Switch, real-time alerts, Smart Call Home, What is Cisco Smart Call Home?

The Smart Call Home is a feature from Cisco System which exists since long time but I noticed this feature quite lately. For the first I heard this feature with the Cisco SUP 720 Supervisor Engine for Cisco Catalyst 6500 Series Switches. With arrival of Nexus 7010 Series Switch and the training...

November 22, 2011  5:04 AM

Thinking of DR site? Think of Cisco Containerized Data Center (CDC)

Posted by: Yasir Irfan
44 RU, Cabinet, CDC, CDCMS, chilled water cooling system, Cisco CDC Management System, Cisco Containerized Data Center, Cisco Systems, cold aisle, Data Center, DR Site, hot aisle, Modular Data Center, What is Cisco Containerized Data Center (CDC)?

These days we thinking of establishing a DR site for our organization, I went through various solutions starting from cloud computing to renting a rack space. But Cisco's Containerized Data Center emerged to be an interesting option What is Cisco Containerized Data Center (CDC)? Basically the...

November 21, 2011  5:27 AM

Basic EEM Architecture on Cisco NX-OS Software

Posted by: Yasir Irfan
6500, Basic EEM Architecture on Cisco NX-OS Software, chassis, Cisco Catalyst 6500 Switch platform, Cisco Embedded Event Manager, Cisco Nexus 7000 Series, distributed architecture, EEM, EEM Client, EEM policy execution, event publication, line card, line card module, Nexus 7000, NX-OS, Supervisor Engine

When it comes to Cisco Embedded Event Manager (EEM) on Cisco Nexus platform it slightly differs from the Cisco Catalyst 6500 Switch platform. In Cisco Nexus platform each line card module runs its own instance of EEM subsystem (an EEM Client), which results in handling of EEM events locally by the...

November 19, 2011  6:22 AM

What is Cisco Embedded Event Manager?

Posted by: Yasir Irfan
Cisco Device, Cisco IOS, data collection, EEM, Event Detectors, event management, in IOS 12.4(22)T, IOS-XE, IOS-XR, NX-OS, Policies, proactive actions, Programming languages, scripting, thresholding, What is Cisco Embedded Event Manager?

Cisco Embedded Event Manager better known as EEM is a powerful feature included in Cisco IOS such as IOS-XR, IOS-XE and NX-OS. The Cisco EEM in simple terms is a technology developed by Cisco systems which allows you to run a script or a set of command upon an event. The Cisco EEM allows the...

November 16, 2011  3:56 AM

Cisco Expo, Saudi Arabia to be held on 5th and 6th of December 2011 in Riyadh

Posted by: Yasir Irfan
borderless network, Cisco, cisco expo, Cisco Expo Saudi Arabia, Cisco Live of Middle East, Cisco Systems, Cloud, Collaboration, emerging technologies, global megatrends technology architectures, Innovate Together, King Fahad Cultural Centre, Riyadh, video, Virtualization

Last year I was eagerly waiting for the first Cisco Live of Middle East in Bahrain. But it was cancelled and I was disappointed. This year I was wondering when Cisco Systems with come out with their annual Cisco Expo Event. Yesterday while I was talking to one of the Cisco representative I came to...


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