Network technologies and trends:

router


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...


February 26, 2016  4:28 PM

Palo Alto Firewall with PAN-OS 7.02 have issues with OSPF

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
firewall, OSPF, Palo Alto Networks, router

When it comes to Palo Alto Networks Firewall, we all know PAN-OS 6.x is a quite stable version, Palo Alto announced PAN-OS version 7 almost 8 months back,  but I see very few people are using this version of PAN-OS. Those who are considering  a migration from PAN-OS 6.x to PAN-OS 7.x  they...


January 25, 2016  4:45 AM

What is OSPF Totally Stubby Area?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco IOS, Default route, IOS commands, OSPF, router

OSPF Totally Stubby Area basically filters out an information of a OSPF database purely based on the LSA types. An ABR  in a Totally Stubby Area  prevents LSA type 3, Type4 and Type 5  to be flooded in to a Totally Stub Area.  It replaces all these types of LSA with a default route. Basically...


January 22, 2016  9:41 PM

What is OSPF Stub Area?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Default route, IOS commands, LSA, OSPF, OSPF protocol, router

We all know OSPF as routing protocol is one of most widely used IGP protocol, OSPF happens to be the most scalable IGP protocol. OSPF also happens to be one of complex protocols as it deals with various concepts and terminologies. Once such topic where people get confused is OSPF Area types. I...


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...


December 18, 2015  6:34 PM

How to configure Cisco VIRL – VMMaestro to use external telnet and SSH Client?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
router, SSH, Telnet

Cisco VIRL comes with an internal SSH and Telnet client which is quite good and it opens all the SSH and telnet sessions within VMMaestro GUI, but if some one wants to use Secure CRT on  their MAC as external client, one can easily configure the changes in VIRL VMMaestro,


September 19, 2015  4:43 PM

Palo Alto Networks Firewall Configuration Management Auditing

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Auditing, Configuration management, firewall, router, Troubleshooting

Palo Alto Network Firewall offers configuration-auditing feature, using this feature one can compare any two configuration files and see the difference. Palo Alto firewalls after comparing any two configuration files, highlights the differences using color coding schemes. Following color codes are...


Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to: