Network technologies and trends:

IOS

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January 21, 2016  5:08 AM

What is an error “Number of interfaces…not consistent” in ASA Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco ASA, Cisco Firewall, Cisco IOS, IOS, Standby

If you are planning to do a hitless upgrade of a failover pair of ASA 5500 X Series firewall from 8.4(6) trail to 9.2(4) trail, you need to be little cautious. As you cannot do a direct upgrade, you need to rely on a interim release. Most people tend to try 9.1(2) as an interim upgrade, when you...

July 15, 2015  9:13 PM

Cisco releases Cisco Packet Tracer for an iPhone and iPad

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCNA, CCNA Security, Facebook, IOS, ipad, iPhone, Packet Tracer

When it comes to CCNA Routing & Switching or even CCNA Security Cisco Packet Tracer proves to be very handy. This tool is widely used by Cisco Networking Academy students. Packet Tracer provides simulation, visualization, authoring, assessment, and collaboration capabilities and facilitates the...


May 25, 2015  4:43 AM

What is Cisco IOS Software Checker?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco, Cisco Nexus, firewall, IOS, Nexus, Security, Switches

We are all leaving in the age, where Network Security is given upmost importance; almost every major Organization does have a good Security team who are even responsible for looking at the vulnerabilities reported in their Network Security products. Cisco does have a great tool called

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April 25, 2015  8:15 PM

Cisco CCIE Service Provider Version 4.0 debuts on 22nd of May 2015

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, Cisco, Cisco Press, IOS, IP Routing, MPLS

Starting May 22nd 2015, CCIE Service Provider version 4.0 is making the debut, like other CCIE written exams, the Cisco CCIE® Service Provider Written Exam (400-201) version 4.0 lasts for two hours and one can expect 90-110 questions. These questions are designed to validate how a...


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