Network technologies and trends:

October, 2015


October 31, 2015  4:48 PM

How to configure a Layer 3 zone in Palo Alto Networks Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Ethernet, Firewalls, Interface, LAYER3, Palo Alto Networks

Configuring a zone in Palo Alto firewall is quite easier, since most of the configuration tasks can be done at GUI level, it makes life easier of the Network Security Engineer, they can use their standard browser to access the Palo Alto Networks Firewall. In this example lets do the...

October 29, 2015  3:56 PM

Cisco to acquire Lancope to enhance their Cyber Security Threat Defence Capabilities

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Cisco security, Network security, Networking, Security intelligence

This week Cisco announced their intention to acquire  Alpharetta, GA based network security company called Lancope, Inc for $452.5 million in cash . Lancope provides network behaviour analytics,...


October 28, 2015  5:39 PM

Cisco VIRL is adding more value to its users.

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, CCNA, CCNP, Certifications, Cisco, Cisco Routers, Firewalls, Networking, Switches

When it comes to simulating networking scenarios using Cisco Routers, Firewalls , Switches we have a great tool called VIRL. Since its introduction, VIRL has gone viral people started using to extensively for CCNA, CCNP and even CCIE preparations. People tend to rely more on VIRL these days to...


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 21, 2015  8:40 AM

Palo Alto Security Zones 101 – Series 1

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Firewalls, Palo Alto Networks

In Palo Alto Networks Firewalls zones plays a very vital role. Unlike other firewalls Palo Alto Networks Firewall security policies are configured based on zones.  One of the first step one must consider while configuring the Palo Alto Networks firewall is to create appropriate zones and name...


October 12, 2015  7:03 PM

What is transaction lock feature in Palo Alto Networks Firewalls?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Firewalls, lock, Network, Network Technology, Palo Alto Networks

Palo Alto Networks Firewalls can be administrated by multiple Administrators using WebUI access, it becomes quite challenging to see who is controlling the firewall and making either config changes or committing the changes...


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


October 10, 2015  10:14 AM

Palo Alto Networks firewalls Account Administration Roles -101 – Series 2

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
API, CLI, Firewalls, Palo Alto Networks, XML

 Palo Alto Networks Firewall Admin role has three parts namely:


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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