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Category: Networking

Networking

BSNL-Softlayer issue

October 18, 2011 Anurag Bhatia2 Comments on BSNL-Softlayer issue

Seems like BSNL-NIB (AS9829) routing with Softlayer’s Singapore datacenter (AS36351) is messed up. Example route between BSNL consumer connection (from Haryana, India) to Softlayer hosted site dot19.com 1 router2 (192.168.1.100) [AS8151/AS28513] 3.136 ms 3.874 ms 4.675 ms 2 117.200.48.1 (117.200.48.1)…

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Networking

Messed up connectivity of root servers in India

October 6, 2011 Anurag Bhatia1 Comment on Messed up connectivity of root servers in India

Today I was showing a good friend – how root servers are working and how they are connected. I was explaining him anycasting and gave example of k-root node which is hosted in Delhi by niXi i.e National Internet Exchange…

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Networking

Completed IPv6 Certification from Hurricane Electric

September 29, 2011 Anurag Bhatia6 Comments on Completed IPv6 Certification from Hurricane Electric

Just now completed IPv6 certification with Hurricane Electric. It was very much fun!       Starting was pretty much simple and basic, followed by email server running on v6 – which also I was doing already. I was stuck…

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Networking

openDNS performing better in India now!

September 26, 2011 Anurag Bhatia1 Comment on openDNS performing better in India now!

Hello everyone!   Seems like Tata Communications routing table is changed (call it fixed) to route traffic for openDNS to Singapore. It’s not going to London anymore and I see very good latency from BSNL too (which uses Tata Comm…

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DNS Networking

Dots in a hostname

September 7, 2011 Anurag Bhatia1 Comment on Dots in a hostname

Yesterday I had a very interesting discussion with our senior administrator. I was configuring reverse DNS records for our /24 block and I decided to use format – IP.static.domain.com thus if for IP 1.2.3.4, I pointed reverse DNS (PTR) to…

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