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About

I love tech & networking – I publish networking related content on this site mostly aimed at Telcos and ISPs.

I occasionally do provide consultancy work to ISPs from all around the world with regards to implementing BCOPs, best practices, optimal configuration parameters etc.

I also do have some interests in photography and music and I also run my own network! Hit me up if you got anything interesting.

I have worked with the following:

May 2021 – Present
Technical Support Engineer | Civo Ltd.

Big shoutout to Mr Sam Weston for introducing me to Mr Mark Boost who in turn gave me the opportunity to work for Civo as a Technical Support Engineer

Primary Work:

  • Frontline Support (L1)
  • Direct interaction with the customers either via Intercom or the Civo public Slack community
  • Basic diagnostic and preliminary checks for the issues reported by the customers
  • Escalate issues to the appropriate team where and whenever required
  • Work hand-in-hand with other support staff for trickier and more complex issues

Secondary Work:

  • Network engineering research and testing via AS210777 which was sponsored by Civo for both my own personal learning & research and also for finding new methods and technologies, in general, that may be implemented on Civo
  • Set up RFC8805 (Geofeeds) for Civo’s Prefixes

January 2021 – Present
Volunteer/Community work in my spare time

  • I operate my own Autonomous System at AS149794

I provide computer networking consultancy and volunteer support to various network operators in India to boost our economy and network conditions such as:

  • Configuring CGNAT to allow NAT Traversal and P2P to work correctly
  • Firewalling and bogon filtering
  • Configuring uRPF/Reverse-Path Filtering/Forwarding
  • Deploying IPv6
  • Layer 3/Layer 4 Load Balancing/Policy Based Routing
  • ICMP Rate Limiting (not ICMP Blocking)
  • Fixing layer 2 and layer 3 MTU issues on Access Network Layers
  • Ensuring PMTUD and Packet Fragmentation work end-to-end without failure or packet loss/drops
  • Supported them in deploying new technology such as Docker
  • Encouraged operators to stick with symmetric routing configuration and topology
  • RPKI Validation/Set up
  • RPKI Invalid drops
  • Encouraging up-to-date IRR information for best practices
  • In contact with folks at Telcos and various ISPs via INNOG and pushing best practices via the same

I also publish articles related to computer networking and network engineering on this site itself and at least one article that made it to the Top 3 ‘How to’ posts on the APNIC Blog in 2021.

November 2020 – January 2021
Intern | SkyBroadband Services, Shillong

Big thanks to Mr Varun Singhania for giving me the opportunity

My contributions were:

  • Assisted in deploying RFC4638 which enabled customers to push 1500 MTU over PPPoE thereby eliminating packet fragmentation and improving overall network performance
  • Assisted in identifying security flaw in RADIUS configuration that allowed anyone outside the local network to login the web dashboard of any user’s account
  • Assisted in discovering an MTU negotiation issue with certain make/model of ONT devices that prevented jumbo frames from being transmitted

Volunteering work

November 2021 – May 2022
Program Committee Member | INNOG