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August 19, 2013  10:38 AM

How to reset the Cisco Iron Port Appliance to factory default settings?



Posted by: Yasir Irfan
Cisco, Cisco C370 Iron Port email gateway, Cisco Systems, Cisco tip, Cisco Tips, How to reset the Cisco Iron Port Appliance to factory default settings?, Iron Port, Ironport, Network Technologies and Trends, Networking

Resetting the Cisco Iron Port C370 appliance is an easy task. In this post lets see how we can reset the Cisco Iron Port C 370 appliance to factory default settings. In order to reset the Cisco Iron Port C 370 appliance either we need a console or ssh access (telnet access will also...

August 15, 2013  7:37 AM

How to configure disclaimer message in Cisco Iron Port Appliance? – Series 3



Posted by: Yasir Irfan
Cisco, Cisco Systems, Cisco Tips, How to configure disclaimer message in Cisco Iron Port Appliance ? – Series 3, Network Technologies and Trends, Networking

Let’s continue from where we stopped in my previous post Step 9 Once you are done with all the steps click submit as shown below.

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August 15, 2013  7:29 AM

How to configure disclaimer message in Cisco Iron Port Appliance? – Series 2



Posted by: Yasir Irfan
Cisco, Cisco C370 Iron Port email gateway, Cisco Systems, Cisco Tips, How to configure disclaimer message in Cisco Iron Port Appliance, Network Technologies and Trends, Networking

Let’s continue from where we stopped in my previous post Step 5 Select Mail Policies -------> Outgoing Content Filters as show below and...


August 3, 2013  11:42 AM

What is EIGRP Over the Top?



Posted by: Yasir Irfan
Cisco Systems, Cisco Tips, Network Technologies and Trends, Routers, What is EIGRP Over the Top?

In the recently concluded Cisco Live, Cisco made an interesting announcement about EIGRP. Yes Cisco is coming out with “EIGRP Over the Top (OTP)” which enables routers running EIGRP to peer across the service provider infrastructure without their involvement. An interesting feature which may...


August 2, 2013  9:25 AM

Multiple Cisco Products are affected by OSPF LSA Manipulation Vulnerability



Posted by: Yasir Irfan
Cisco NX-OS software, Cisco Systems, Cisco Technical Assistance Center, Cisco Tips, Fabric Shortest Path First, Link State Advertisemen, Multiple Cisco Products are affected by OSPF LSA Manipulation Vulnerability, Network Technologies and Trends, Networking, Open Shortest Path First, OSPF Autonomous System, OSPF LSA type 1, OSPF packets, OSPFv3, routing table, unauthenticated attacker, vulnerability

The recent security advisory suggests that multiple Cisco products are affected by a vulnerability involving the Open Shortest Path First (OSPF) Routing Protocol Link State Advertisement (LSA) database. With the help of this vulnerability an unauthenticated attacker can take control of the OSPF...


July 15, 2013  6:58 AM

A review for CCIE Routing and Switching Certification Guide (4th Edition)



Posted by: Yasir Irfan
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When it comes to CCIE Routing and Switching Written Exam you need to study lots of books especially the titles published from Cisco Press. As we all know CCIE Routing and Switching is not an easy task, it needs lots of preparation. Since I am in the process of perusing CCIE Routing and Switching I...


July 9, 2013  6:51 AM

Cisco IP Source Guard stops PXE boot, especially when using Windows Deployment Services Server



Posted by: Yasir Irfan
Cisco Systems, Cisco Tips, CSCts44728, Network Technologies and Trends, Networking, Switches, Windows Deployment Services Server

In my previous post we saw how to overcome the Cisco NAC restrictions for the Windows Deployment Services Server, as we...


July 4, 2013  8:13 AM

How to integrate Windows Deployment Services Server with a typical Cisco Networking devices – Series 3



Posted by: Yasir Irfan
Cisco, Cisco Systems, Cisco Tips, Microsoft, Network Technologies and Trends, Networking, Windows 2008 Server

Let’s continue to with rest of the steps to allow Windows Deployment Services Server through a Cisco NAC. Step 5 Click Add Polices   Bookmark and Share     0 Comments     RSS Feed     Email a friend


July 1, 2013  7:05 PM

How to integrate Windows Deployment Services Server with a typical Cisco Networking devices – Series 1



Posted by: Yasir Irfan
Cisco, Cisco Systems, Cisco Tips, Network Technologies and Trends, Networking, Switches

Recently we tried to deploy Windows Deployment Services Server in our environment, to enable the deployment of Windows operating systems over the network for our workstations, so that our technical support team do not have to install each operating system directly from a CD or DVD. Our Windows...


May 6, 2013  4:59 AM

How to preserve encapsulation across SPAN?



Posted by: Yasir Irfan
Cisco, Cisco Certifications, Cisco Systems, Cisco Tips, Network Technologies and Trends, Networking, Switches

While any one of you are trying to analyze a SPAN or RSPAN traffic you may notice that certain layer 2 frames are missing. Usually SPAN/RSPAN ignores layer 2 traffic like CDP, spanning-tree BPUDs, VTP, DTP and PagP frames.  However, these traffic types can be forwarded along with the normal SPAN...


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