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9 mai 2017 2 09 /05 /mai /2017 19:07

Hello, I'm very proud to post the story of Joao. He passed recently JNCIE-DC and became one of the firsts JNCIE x4. Joao is a "Juniper Fan" like me. I'm currently preparing JNCIE-DC as well, so I was so happy to read his experience. Enjoy Reading. David...
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9 décembre 2016 5 09 /12 /décembre /2016 13:21

Running vQFX 10k on ESXi
As I'm currently studying DC certification track, I decided to setup my first vQFX lab. My current multi-vendors virtual LAB runs on ESXi, so I wished to keep my VMware hypervisor also for vQFX instances. I'm a lucky man, vmdk images for vQFX are now...
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22 juillet 2016 5 22 /07 /juillet /2016 16:12

Document: Per VRF accounting solution. - Per-VRF-Accounting.pdf Hello, Here after a solution to count input/output traffic per VRF. Tested in stress in Junos 14.2. File is available above. Enjoy reading. David
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14 avril 2016 4 14 /04 /avril /2016 09:00

My VMX installation guide - VMX-installguide.pdf I'm currently writing the 2nd Edition of the MX Series book. In this new edition, I wrote a chapter dedicated to VMX. The 2nd edition of the book will be released in few months: stay tuned :) ! I spent...
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17 mars 2015 2 17 /03 /mars /2015 11:31

I was wondering if I can use the embedded tcpdump of Junos to monitor transit traffic. I found a way to do it and this short post explains how to do that. This tip works only on TRIO Line cards. My setup has been tested on Junos 12.3. I used several features:...
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22 décembre 2014 1 22 /12 /décembre /2014 15:44

Here it's a short post to explain how you can monitor the control plane activity with ddos-protection's statistics and a simple op-script. ddos-protection is a default feature only available on MPC cards which allows to secure the linecard's CPU and the...
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8 février 2014 6 08 /02 /février /2014 10:17

Inetzero Blog: ISIS Training and Configuration
Read my blog regarding my favorite protocol "ISIS" on The Inetzero blog and prepare your JNCIE exam with their materials:Workbooks and Racks. ISIS Training More regarding Inetzero click there : David
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8 février 2014 6 08 /02 /février /2014 10:09

Inetzero Blog: PIM Anycast RP
Read my blog regarding the PIM Anycast RP feature on The Inetzero blog and prepare your JNCIE exam with their materials:Workbooks and Racks. PIM ANYCAST BLOG More regarding Inetzero click there : David
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1 octobre 2013 2 01 /10 /octobre /2013 17:00

Understanding IPv4 uRPF on Junos DPC/MPC
uRPF allows anti-spoofing embedded at forwarding plane level. Junos provides this feature for many years with several modes and options: Loose or Strict mode Active or Feasible paths uRPF data base Discard or not supported in the uRPF data base I carried...
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9 septembre 2013 1 09 /09 /septembre /2013 16:11

Need more capacity: MPC4e cards are there!
Recently, we received in LAB 2 new MPC cards: - The MPC4e Combo card: 2x100GE + 8x10GE ports (MPC4E 3D 2CGE+8XGE) - The MPC4e 32x10GE ports (MPC4E 3D 32XGE) These 2 new cards need at least the Junos 12.3 and can be used on both dense chassis: MX960 and...
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