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  • 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.netThis tool is comprised of two features - Feature Explorer and Content ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on July 13, 2012
  • Configuring the Juniper Media, IP & MPLS MTU

    Here I have some information on MTU Juniper, I had investigated it for a customer while ago. The actual frames transmitted also contain cyclic redundancy check (CRC) bits, which are not part of the media MTU. For example, the media MTU for a Gigabit Ethernet interface is specified as 1500 bytes, but the largest possible frame ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on May 5, 2009
  • MPLS-in-GRE & MPLS-in-IP

    JUNOS now support MPLS-in-GRE & MPLS-in-IP. You guys can now encapsulate the MPLS label stack for a packet with an IP header, making it possible to tunnel MPLS over networks that do not have MPLS enabled on their core routers. The JUNOS software supports both types of IP-based encapsulations: MPLS-in-IP and MPLS-in-GRE. JUNOS can both push the ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on March 7, 2009
  • JUNOS VPLS on FE Interfaces

    TThere are numerous misconception about VPLS support on Juniper Fast Ethernet PICs. Here is a little quick workaround running VPLS on Juniper's ''PE-4FE-TX and PB-4FE-TX'' PICs. This setup requires MPLS LSPs between PEs...     Interface Configuration: jahil@jahil-re0> show configuration interfaces fe-0/0/2  ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on February 4, 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
  • BGP default route advertisement

    In most design scenarios, you’d like to advertise the BGP default route to EBGP neighbors without having a BGP default route in your own BGP table. For example, an ISP might decide to advertise only the BGP default route and local BGP networks to customers multi-homed to a single ISP. To advertise a BGP default route to a BGP neighbor, use the ...
    Posted to Masood Ahmad Shah (Weblog) by jahil on January 16, 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
  • L2VPN Taxonomy

       
    Posted to Masood Ahmad Shah (Weblog) by jahil on September 17, 2008
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