Avner Izhar

Articles by Avner Izhar

analysis

Is it safe to use a SIP trunk as your outbound dialing option?

SIP trunk security measures
By Avner Izhar
Aug 30, 2010 2 mins
Cisco Systems Security
analysis

Communication Manager 8.x: Cross Cluster Extension Mobility lab attempt – part 3

EMCC lab attempt notes
By Avner Izhar
Jul 3, 2010 1 min
Cisco Systems
analysis

Communication Manager 8.x: Cross Cluster Extension Mobility lab attempt – part 2

EMCC lab attempt notes
By Avner Izhar
Jun 7, 2010 3 mins
Cisco Systems
analysis

Communication Manager 8.x: Cross Cluster Extension Mobility lab attempt – part 1

EMCC lab attempt notes
By Avner Izhar
May 9, 2010 2 mins
Cisco Systems
analysis

First look into Call Manager 8.0

Call Manager 8.x new features and some basic install tips
By Avner Izhar
Mar 28, 2010 3 mins
Cisco Systems VoIP
analysis

IP Phone troubleshooting story

A tool to fix a 'broken' phone in the field
By Avner Izhar
Mar 5, 2010 3 mins
Cisco Systems
analysis

What is the most significant technology development of 2009?

The author thinks Cisco's Unified Computing System is the most significant technology development of 2009
By Avner Izhar
Dec 24, 2009 3 mins
Cisco Systems Data Center IBM
analysis

Cisco ISR Generation 2 does appear to bring value, at least in UC (voice and video)

ISR G2 UC capacity
By Avner Izhar
Nov 8, 2009 1 min
Cisco Systems
analysis

Evaluating the ASA Botnet filter

Cisco ASA Botnet filter test and evaluation
By Avner Izhar
Oct 3, 2009 3 mins
Cisco Systems Security
analysis

Thoughts about UC ROI

Can UC be justified using ROI or are we using the wrong decision model
By Avner Izhar
Aug 30, 2009 3 mins
Cisco Systems Venture Capital

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news

2026 network outage report and internet health check

By Ann Bednarz
78 mins
Cloud ComputingNetwork Management SoftwareNetwork Monitoring
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news

With FCC ban on new Chinese-made optical transceivers for DCs likely, it may be time to stock up

By Evan Schuman
9 mins
Artificial IntelligenceLaws and RegulationsNetworking Devices
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news

Nvidia moves to accelerate storage access, boost industry cooperation

By Michael Cooney
4 mins
Artificial IntelligenceData CenterEnterprise Storage
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podcast

Has the hype around ‘Internet of Things’ paid off? | Ep. 145

36 mins
IoT PlatformsIoT Security
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podcast

Episode 1: Understanding Cisco’s Converged SDN Transport

20 mins
Cisco SystemsInternetNetworking
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podcast

Episode 2: Pluggable Optics and the Internet for the Future

17 mins
Cisco SystemsComputers and PeripheralsInternet
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video

Master Linux Math with the bc Command | Easy CLI Calculations Explained!

1 mins
Operating Systems
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video

Master Linux Math in Seconds: How to Use the expr Command Like a Pro

1 mins
Operating Systems
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video

How to Do Math in the Command Line Using Double Parentheses

1 mins
Operating Systems
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