Network technologies and trends:

Network


October 26, 2016  5:21 AM

Blue Coat Proxy SG Deployment methods – Out of Path Mode

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Hardware, Network, PAC, Protocols, Proxy, router, Scalability, Switch, virtual

The Out-of-path deployment mode is commonly used when, one cannot bring down the network. Out-of-path deployment happens to be very difficult to manage as one cannot intercept and redirect the internet traffic at network level (like configuring WCCP, PBR or inline deployment). One needs to...

October 24, 2016  6:10 PM

Blue Coat Proxy SG Deployment methods – Virtually Inline Mode

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
firewall, GRE, Hardware, Network, Protocols, Proxy, router, Routing, Scalability, Switch, virtual, WCCP

In Virtually Inline deployment mode, the Proxy SG can be deployed in any network location, it relies on traffic redirection mechanisms like Web Cache Communication Protocol (WCCP) or Policy Based Routing (PBR) to redirect the interesting traffic, such as HTTP /HTTPS to the Proxy SG. WCCP is a Cisco...


October 23, 2016  6:21 PM

Blue Coat Proxy SG Deployment methods – Inline Mode

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Hardware, Network, Protocols, Proxy, router, Scalability, Switch, virtual

When it comes to deployment of Blue Coat Proxy SG, it offers some flexibility. One can deploy them in either of the below mentioned methods.

  • Physically Inline (Transparent)
  • Out-of-Path or Virtually Inline (Transparent)
  • Explicit
Inline deployment is...


September 17, 2016  6:29 AM

Cisco Router Selector may be your next tool to select the right router

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Business, Cisco, Functional, Functional requirements, Network, Network design, router, SMB, tool, User experience, virtual

When it comes to designing a network one may need to think from many aspects, one such aspect happens to be the scalability. It’s been observed most of the SMBs rely purely on their team to choose the technology or the product. This fits true especially when they want to upgrade their old router...


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...


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 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 


July 23, 2015  4:41 AM

Cisco Cloud Fundamentals 101 – “On-demand self service”

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCNA, Cisco, cloud, Network, nist, Server, Software, Storage

When we look at the Blue Print of the Cisco Cloud Fundamentals (CLDFND) exam (210-451), it quite clear that Cisco is looking at NIST definition of cloud. “Cloud computing is a model for enabling ubiquitous,...


July 19, 2015  3:14 PM

Is Python programing a necessity for Network Engineers?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
API, Email, Network, Network Engineer, programing, Python, VMware

With the emergence of  Cisco ACI, VMware NSX, Open Stack and even Amazon Web Services most of Networking Engineers are asked to learn Python programming language. Python is considered to be one of the easiest languages to learn which can be used for Network Automation. Using Python one can SSH to...


April 19, 2015  5:00 PM

What is BIG-IP Access Policy Manager?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
APM, application, cloud, IPv6, Network, REMOTE, SECURE, Ssl vpn, SSO, virtual, Wireless

A BIP-IP Access Policy Manager, popularly known as BIG-IP APM is capable of securing applications, network and even cloud environment in a flexible way, and even it provides high performance access to your applications and network. The BIG-IP APM also provides quite informative insight of who is on...


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