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4 years has passed and no blog post?

Wow,, I just noticed I have not been logged into this blog portal since 2012. Its almost 4 years!! where have I been to, must been hibernating somewhere behind the wet slab of beer or inside the close wall? Well, I have been bit busy with doing so many other things with my full time […]

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ISDN error codes

000 0001 1 Unallocated (unassigned) number 000 0010 2 No route to specified transit network 000 0011 3 No route to destination 000 0110 6 Channel Unacceptable 000 0111 7 Call awarded and being delivered in an established channel 001 0000 16 Normal call clearing 001 0001 17 User busy 001 0010 18 No user […]

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Another Quad CCIE in downunder

Is it possible to study a PhD, CCIE Data Center with a full time job? Absolutely YES, I have been there and done that. I also went on 5 work related overseas trips  and 2-3 weeks on holiday, driven around the country town in Australia. If someone tells you that they saw a ghost and […]

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Triple CCIE now – so what?

http://www.bhatkoti.com/tripleccie

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Check whether your LinkedIn password was hacked

Last week, as we all know – The LinkedIn password in hash form were stolen by Russian hackers. Well they were found on one one of the Russian website. I personally recommend everyone who have account on the LinkedIn to change their password. However, if you’re still curious to know if your LinkedIn account password […]

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BigData: Jargon Dictionary and How Hadoop Algorithm Solves Data problem

There is a lot of jargon about BigData. Here is a fast track version (my version) of how Hadoop MapReduce sophisticated algorithm solves the big data issue with an example in each jargon. I have given a use case of aggregating SYSLOG data coming from thousands of Cisco ASA appliance and then perform data analysis […]

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Why should a Network Engineer move into an App Space

If you are a “pure” network engineer and still have a mortgage to pay, this post is probably for you!. Those who are preparing for CCIE voice or application firewall or F5 load balancer are on the right track. In short,  SDN (Software defined network, aka SDN cat) products are already out of the bag […]

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BIGDATA BUBBLE – Infinite Possibilities

If you live in Australia you probably have heard about the Mining Boom, so was the famous “DotCOM bubble” in way back in 199x . Recently, this new buzzword “BigData” in IT data mining space seems to be a new technology trend for many enterprises and Telco’s. They need bigdata to be implemented to solve […]

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Cisco CUBE v8.5 vs. v8.6 Features

Surprisingly, there is a lot of difference between these 2 CUBE versions. If you are an ITSP and providing SIP trunks to your customer. Make sure you choose the right IOS!! SR# FEATURE CUBE 8.5 CUBE 8.6 1. Support for Updating codecs dynamically X    YES 2. Media DO-EO flow around X YES 3. High […]

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CUCM and H323 GW: Inbound Calls OK but no Outbound Calls

Is there out anybody who doesn’t like playing with ‘BREAK-FIX” ? I have ran into this issue before but, it was a few year ago! I forgot what I did (I should have boggled it out) and it took me solid 5 hours to troubleshoot one this real world break fix! SCENARIO: PSTN—H323GW—CUCM—PHONESInbound call works […]

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Double CCIE Now!

It was way back in 2008 when I passed My Voice LAB In 2011 , I passed my CCIE Security. More on voiceIE.com and SecurityIE.com ! Cheers, Push