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Author: Hoseini Hamid Reza

Home Articles Posted by Hoseini Hamid Reza
Hoseini Hamid Reza
4 posts, 0 comments
سید حمید رضا حسینی با دو سال سابقه حرفه ای در حوزه های R&S and VOIP شبکه به عنوان یک متخصص در این زمینه ها شناخته می شود. تخصصی که حاصل تجارب عیب یابی و راه اندازی های متعدد در پروژه های مختلف می باشد.روحیه کار تیمی و یادگیری سریع مطالب به صورت خودآموز (self-study) از ویژگی های شخصیتی اوست.

BGP EVPN with FRR

7 August 2021Hoseini Hamid RezaBGP EVPN, FRR, VXLAN

I recently need to deploy BGP EVPN and it was expensive to use devices like juniper and cisco. I used “FRRouting” that is open-source and free for use. FRR command line is very similar to cisco CLI but creating interface VLAN, NVE and VRF should be done in Linux itself. To simulate FRR you can use GNS-3, I have found this link helpful in this case: https://www.gns3.com/marketplace/appliances/frr    Here is…

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Automatic Turn off Debugger

20 March 2021Hoseini Hamid Rezaautomation, devnet, Genie, netmiko

ِDebug command in cisco devices is one of the best tools for troubleshooting, but sometimes after solving a problem or something else we log out and forgot to turn off the debug.  sometimes this happen could made the router in trouble. I prepared this script to check online users in line VTY and turn off debugging if no active user exists on the router. Substitute your IP address and user…

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vPC Types

26 August 2020Hoseini Hamid RezaDual VPC, EVPC, VPC

The virtual port channel (vPC) technology that is used by the Cisco Nexus 5000 and 7000 Series switches enables Multichassis EtherChannels (MECs) to be formed between a network device and two separate physical chassis. vPC technology allows logical loop-free Layer 2 topologies to be created, which prevents Spanning Tree Protocol (STP) from blocking any of the ports in the network topology This Picture shows every types of vPC that implements…

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IPTable Cheat Sheet

12 February 2019Hoseini Hamid RezaIPtable, IPTable Cheat Sheet

Here is the IPTable Cheat Sheet, Iptable is a rule based firewall system and it is normally pre-installed on a Unix operating system which is controlling the incoming and outgoing packets. Download IpTable Cheat sheet            

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  • Automatic Turn off Debugger
  • Python script to create jabber phones
  • CRC Error check Script
  • vPC Types

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