Network technologies and trends:

Network design

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February 29, 2016  12:45 PM

Things to consider before introducing Palo Alto Firewall into routing domain- Series 2

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, BGP, Cisco, firewall, Network design, OSPF, Routing

In my previous post , I did mentioned Palo Alto Networks Firewall having issues in...

February 29, 2016  12:07 PM

How does Palo Alto Firewall identify an App?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
app, application, ASA, BGP, Cisco, firewall, HTTP, IP address, Network design, OSPF, Routing, Signatures, Technology

When it comes to identifying an application  Palo Alto Firewall is quite accurate and yield great results in either allowing or dropping the traffic based on security policy applied.  I believe App-ID is the strongest point of Palo Alto Firewalls and it makes them leaders in the Next Generation...


February 28, 2016  6:15 AM

Things to consider before introducing Palo Alto Firewall into routing domain- Series 1

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, BGP, Cisco, firewall, Gartner, Gartner Magic Quadrant, Network design, OSPF, Routing

When it comes to routing, most of us are quite comfortable in using dedicated routers in Enterprise networks.  Some time the Business need or the existing network design forces an Organisation to use a traditional firewall not only as a firewall but also as a router. Well this works well, if some...


November 21, 2015  8:27 AM

A review of CCDE Study Guide by Marwan Al-shawi

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
BGP, Cisco, Cisco certifications, Cisco Press, EIGRP, Network design, Networking, OSPF, Protocols, VPN

Since I received the "CCDE Study Guide" from Jamie Shoup till date, I simply couldn’t able resist reading such a wonder book from Marwan Al-shawi.  I believe it was...


October 26, 2015  9:54 AM

CCDP – ARCH Version 3.0 is here

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Cisco certifications, Data Center, Network design, Scalability

Cisco is doing some major revamps when it comes to Cisco Design certifications , Cisco announced new version for their CCDA Certification from DESGN version 2.1 to 3.0.  It's a welcome move from Cisco especially when technology is evolving so fast. In the newly designed 300-320 ARCH exam Cisco...


October 24, 2015  7:13 AM

CCDA Design version 3.0 is here

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Cisco certifications, Cisco Press, Data Center, Design, Network design, Scalability

When it comes to the foundation of Network design its well known that Cisco Certified Design Associate is the great certification to start with.  Recently Cisco announced the some major revamps in their current CCDA Design version 2.1. According to Cisco December 14 ,2015 will be last day take...


October 10, 2015  6:57 PM

“CCDE Study Guide” initial review

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Cisco certifications, Cisco Press, Network design, Networking, Protocols

Those who are perusing CCDE certification, they were eagerly waiting for the release of much awaited Cisco Press book of the year " CCDE Study Guide" by

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October 8, 2015  6:11 PM

CCDE must read , Series 1 – Review for “Optimal Routing Design”

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
BGP, Cisco certifications, EIGRP, Network, Network design, OSPF, VPN

When it comes to CCDE preparations one should master many concepts, one should refer to plenty of  resources available in  form of books, articles, Cisco validated designs, Videos,RFCs etc.  For every journey there is a starting point, for CCDE I believe 

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September 17, 2015  9:46 AM

Three golden rules for designing a Networks

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Hardware, LINKS, Network design, Routing protocols

When it comes to either designing a network  or upgrading an existing network with new design most of us think from technical prospective like what kind of hardware we need, what routing protocols we need to use , what type of links needed etc. This comes true for those who are deeply involved in...


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