Network technologies and trends:

Networking


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 4, 2013  7:50 AM

How to integrate Windows Deployment Services Server with a typical Cisco Networking devices – Series 2



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

In series 1 we discussed how to integrate Windows Deployment Services Server with a typical Cisco Networking devices. We...


July 3, 2013  4:48 AM

No more Microsoft TechNet Subscriptions for IT professionals



Posted by: Yasir Irfan
Network Technologies and Trends

Couple of days back I received an email from Microsoft with a subject “TechNet Subscriptions retirement” and following are its contents.   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 15, 2013  5:28 AM

What is AsyncOS?



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

When it comes to Cisco's networking products, the default operating system comes into our mind is Cisco IOS, a very popular OS among the networking professionals, however, when it comes to Cisco Email Security Appliance (ESA),better known as Cisco IronPort appliances the OS changes. The Cisco...


May 14, 2013  12:54 PM

A review for “Email Security with Cisco IronPort”



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

When it comes to Email Security, no other product is as powerful as Cisco IronPort. Therefore, we opted Cisco IronPort C370 as our email security gateway. Since its inception into our network, I am searching for a great reference and study guide for the Cisco IronPort products.


May 9, 2013  11:23 PM

Being in Gartner Magic quadrant is sufficient to succeed?



Posted by: Yasir Irfan
Network Technologies and Trends, Networking

Currently, we are testing some of the network and application monitoring solutions, so that we can go with a product, which serves our needs. We approached many vendors and got a good response from them, and some even offered to do a proof of concept. Which we opted  happily, and in fact it helped...


May 9, 2013  10:47 PM

What is the error “Signature Auto Update Fails with Error HTTP connection failed [1, 110] “ in Cisco IPS sensors?



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

  Recently, I configured our Cisco IPS Sensors modules SSM-40 installed in the Cisco ASA 5540 and Cisco IPS 4270 sensor to auto update the signature behind our Blue Coat Proxy SG, upon configuration, I discovered that the auto updates failed. When I tried to know status by using Cisco IOS...


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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