Network technologies and trends:

BGP

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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...


February 24, 2016  12:55 PM

Using ECMP with Palo Alto Firewalls? Make sure you’re running PAN-OS 7

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
BGP, firewall, OSPF, Routing

When it comes to using Equal Cost Multipath in Palo Alto Firewalls, one needs to be very careful as this feature is not available in all PAN-OS versions by default.  Most of the Network Engineers assume ECMP is supported by default,  and they are shocked to discover ECMP is not working when they...


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 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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