Welcome to weblogs.com.pk Sign in | Join | Help

Masood Ahmad Shah

This blog contains a summary of my research readings and thoughts in system and network engineering. View Masood Shah's profile on LinkedIn



Browse by Tags

SDN Controllers Comparison with hands on labs
Author: Masood Ahmad Shah (Charles Sturt University) Objective SDN1 Controllers are the brain and decision maker in the SDN-based network infrastructure. A controller consist of a set of application components to act as an essential control point in the Read More...

Posted Friday, May 19, 2017 4:03 PM by jahil | 0 Comments

wildcard a quick way to alter the configurations in Junos
Suppose, you have multiple following circuits that need to be removed from the configurations, and then have them disabled and marked as an [AVAILABLE]: et-1/0/0 to et-1/0/10 et-1/0/13 et-1/0/21 With traditional approach the configlet would be pretty Read More...

Posted Sunday, November 9, 2014 6:53 AM by jahil | 0 Comments

Filed under: ,

very cool Internet visualization application
Very, very cool Internet visualization application for Android and Iphones, t hey are using data from the folks at CAIDA. http://money.cnn.com/2013/03/06/technology/innovation/map-of-the-internet/ Read More...

Posted Wednesday, March 6, 2013 11:56 PM by jahil | 0 Comments

Filed under:

Juniper pathfinder
When buying or upgrading a Juniper device, there are always questions that come to mind ( Is “this” feature supported on “that” platform, and if so “which” version did it come out? ) As of July 1st, Juniper have released the Pathfinder tool: http://pathfinder.juniper.net Read More...

Posted Friday, July 13, 2012 2:47 AM by jahil | 0 Comments

Filed under: , ,

JNCIP-SP Certification Cleared
Earned my JNCIP-SP certification on May 20, 2011 (A completely new certification by Juniper Networks ). I hope to finish JNCIE-SP within next 3-4 week. Wish me all the luck :) Read More...

Posted Sunday, May 22, 2011 3:34 PM by jahil | 4 Comments

Filed under: , ,

How to calculate CAR rate-limit
Here's just a quick and handy tip for anyone who is after how to calculate CAR rate-limit. normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds extended burst = 2 * normal burst Read More...

Posted Monday, February 7, 2011 12:04 PM by jahil | 0 Comments

Filed under: ,

Its Official...No more IPv4 left
At ICANN IPv6 News Conference, they officially announced, no more IPv4 left. http://youtu.be/gveJs6YRYXU Read More...

Posted Friday, February 4, 2011 4:04 PM by jahil | 1 Comments

Filed under: ,

disable interface TX laser (JUNOS)
Just in case if you want to simulate a fiber cut, you can enter a command from the FPC shell that cuts the power to the laser of an interface start shell pfe network fpcX test xfp <index> laser off You can find the XFP index by doing "show xfp list" Read More...

Posted Friday, December 31, 2010 11:09 AM by jahil | 0 Comments

Filed under: ,

VLANs Cisco/Juniper
If you are familiar with Cisco switches, and using Cisco switches fairly well, this post will help you to boost your confidence as a Juniper network engineer. If you can configure a Cisco switch, then you also can configure a JUNOS based switch :) here Read More...

Posted Saturday, October 9, 2010 7:52 PM by jahil | 0 Comments

Filed under: , ,

Firewall Filter on Juniper's EX-series Switches
A firewall filters provide rules that define whether to permit or deny packets that are transiting an interface on a switch or router from a source address to a destination address. They can be applied to ports, VLANs, or layer 3 interfaces. The following Read More...

Posted Sunday, July 18, 2010 11:09 AM by jahil | 1 Comments

Filed under: ,

MTR on Juniper JUNOS
You may have used traceroute in a Micrsoft OS or in Unix. It’s quite simple and can tell you a few things about the connection between you and any other device on the internet. So what if the problem were intermittent, or traceroute did not show any problems Read More...

Posted Saturday, November 7, 2009 11:54 PM by jahil | 0 Comments

Filed under: ,

Viewing default/hidden config on JUNOS
Would you like to see JUNOS defaults configuration. To view certain JUNOS default settings for dynamic profiles/system/services/applications, you must type the full command: jahil@voyager# show configuration groups junos-defaults Note: TAB/SPACE autocomplete Read More...

Posted Saturday, October 24, 2009 7:42 PM by jahil | 1 Comments

Filed under: ,

Cisco IOS 15.0 (new features).. Awesome
Cisco released IOS 15.0. This is the next major release after 12.4. It’s been over 4 years since Cisco has delivered a major release of IOS code. The new features listed in the documentation include: •BGP Event Based VPN Import; •BGP Per Neighbor Graceful Read More...

Posted Tuesday, October 6, 2009 9:54 AM by jahil | 0 Comments

Filed under: ,

JUNOS Command Completion
The JUNOS command completion feature saves you lots of time and energy, and it provides syntax checking as you type. Gone are the days when you type a command on a line and after you press Enter the command is either invalid or not supported on that version Read More...

Posted Wednesday, August 26, 2009 11:57 AM by jahil | 0 Comments

Filed under: ,

Juniper's JUNOS Emacs style cursor movement/Page manipulation
Remember Juniper's JUNOS is heavily influenced by Unix, afterall it does sit on top of FreeBSD. You can use EMACS commands for cursor movement, which include: Ctrl-a Moves the cursor to the beginning of the command line, back to the prompt Ctrl-e Moves Read More...

Posted Friday, July 31, 2009 2:55 PM by jahil | 0 Comments

Filed under: ,

More Posts Next page »