Network technologies and trends:

Cisco


January 4, 2016  5:04 AM

How to restore Cisco ASA Firewall to factory default?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASDM, Cisco, Cisco Firewall, Console port, DHCP, IOS commands

  Restoring the Cisco ASA Firewall to default settings is quite easier , there are two ways to do this. In this post lets see how we can do this using the Cisco IOS Command

config factory-default
Step 1 Connect the console...

December 28, 2015  4:12 AM

How to configure Site-to-Site IPSec VPN on Cisco Routers? – Series 2

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ACL, Cisco, CRYPTO, IPsec, VPN

In my previous post we talked briefly about IPSec. We will be using the below topology for our set up. 0 Comments     RSS Feed     Email a friend


December 27, 2015  5:26 PM

How to configure Site-to-Site IPSec VPN on Cisco Routers? – Series 1

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ACL, Cisco, Cisco Routers, IPsec, IPsec VPN, Topology, VPN

IPSec is the protocol one can use to establish a Site-to-Site VPN , as it is widely used because its an open standard protocol which offers secure and encrypted communication over the public internet domain. IPSec works at Network later and only pass unicast traffic. I will brief you all about how...


December 20, 2015  4:49 AM

How to capture packets in Cisco VIRL?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Packet capture, Packet Sniffing, router, SSH, Telnet, Wireshark

With the introduction of Cisco VIRL 1.0.0,capturing the  traffic has become quite simpler. One can now directly click the link on a device and do a packet capture. , in this post lets see how we can capture the traffic in Cisco VIRL and analyse it. Step 1: Login in to VRIL server form your web...


November 29, 2015  11:18 AM

Evolving technologies will be part of all CCIE and CCDE Written exams

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, Cisco, Cisco Press, cloud, Internet of Things, Network, Network programmability, NFV

Cisco has announced a major revamp for their CCIE  and CCDE written exams, starting July 26,2016 Cisco will include a new section titled "Evolving Technologies". Except CCIE Data Center all other CCIE Lab exams remains intact. So those who will be appearing for CCIE and CCDE  written exam after...


November 28, 2015  3:22 PM

Cisco releases VIRL 1.0.0

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Java, Jitter, Latency, link, OpenStack, OpenVPN, TCP

Yesterday I received an email from Cisco VIRL about their new release of VIRL 1.0.0

Hello VIRL Family! Happy Thanksgiving (if you’re celebrating!) We are very happy to announce the release of VIRL 1.0.0 – a major upgrade release packed full of new features! :)
The...


November 22, 2015  6:52 AM

Cisco Certification Tracking Tool is not working

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco

Cisco Certification Tracking Tool is not working since almost a week , looks a like some major compromise happened with this portal.  Once you login to any of the tracking sites you will some of these errors


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...


November 19, 2015  6:44 AM

CCIE Data Center Version 2 is coming

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, Cisco, Cisco Press, VXLAN

With the introduction of ACI, Nexus 9k and many other SDN components I was expecting Cisco will soon announce the new version of CCIE Data Center. As anticipated Cisco announced the revision...


November 7, 2015  3:54 PM

Should Juniper reconsider their strategy towards JNCIE Certifications?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, Certifications, Cisco, Juniper Networks, Palo Alto Networks

As these days my focus is more into Network  security and my current job demands more of the security. Being a CCIE I thought rather than investing my time, energy  and money on one more CCIE,  I thought of  staring the journey of JNCI-SEC . I was totally banking on assumptions and...


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