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  • 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 :)
    Posted to Masood Ahmad Shah (Weblog) by jahil on May 22, 2011
  • Its Official...No more IPv4 left

    At ICANN IPv6 News Conference, they officially announced, no more IPv4 left.  http://youtu.be/gveJs6YRYXU 
    Posted to Masood Ahmad Shah (Weblog) by jahil on February 4, 2011
  • Randy Bush on IPv6 Deployment

    Great interview with Randy Bush. Very interesting thoughts about costs experienced when hitting the IPv4 wall v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false EN-US X-NONE ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on June 13, 2009
  • Exploiting Network Protocols to Exhaust Bandwidth Links

    In Feb 2008 I spoke at a conference about ''Exploiting Network Protocols to Exhaust Bandwidth Links'' in Lahore. ''Chase 2008-Conference On Hacking And Security'' Venue Institute of Engineers PakistanIEP Building2nd Floor, Engineering Centre97-B/D-1, Liberty Round AboutLiberty MarketGulberg II, ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on February 7, 2009
  • A small love story about Routerboard

    RouterBoard makes a complete line of devices that pound-for-pound beat Cisco/Juniper/Nortel/Extreme on features at a much lower price-point. I've been using Cisco/Juniper/Nortel devices for years now and after some seriously productivity killing bugs in their IOS / firewall OS, I would suggest to small companies, that replacing your VPN node ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on January 29, 2009
  • IGP competition ISIS or OSPF

    I understand that this question is a lot more complex than a simple yes or no since factors like design and routing policy will certainly affect the protocols behavior. It's really difficult to decide and get information on what the top network service providers are using for their IGP? I'm trying to build a case for switching from OSPF to IS-IS ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on January 22, 2009
  • Rate limit OR traffic shaping

    Rate limit or shaping is always confusing; as to which one to use.The goal of traffic shaping is hard-limiting of sending rate, while the purpose of rate-limiting is usually admission control based on burst sizes. Traffic shaping hard-forces “fixed” sending rate, absorbing and smoothing incoming packet bursts. Rate-limit never smoothes but ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on January 1, 2009
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