Author Archives: rednectar

About rednectar

Professional IT Instructor. All things TCP/IP, Cisco or VoIP

RedNectar’s guide to programming user interfaces

Posted on 2013/04/25

I recently made a flippant comment of the GNS3 forum: Rule #27: RedNectar’s guide to programming user interfaces Never state an option in the negative. which prompted a request from Jeremy Grossmann Can you share complete list of all your … Continue reading →

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Posted in blog, Programming, User Interface | Leave a comment

IP Pie

Posted on 2013/04/11

One way of looking at how to subnet networks is the the IP Pie method. Dividing IP networks into subnets is as easy as pie.  All you need to do is remember one simple rule about how to cut the … Continue reading →

Posted in CCNA, ICND, ICND1, ICND2, IP, SUbnetting | Leave a comment

Damn you Microsoft and your forced reboot! HOW DARE YOU!

Posted on 2013/04/04

I’ve just lost 30mins (at least) of work.  I was was in the middle of doing a complicated install of a virtual machine (I was installing FreeBSD on a QEMU virtual machine) and documenting each step.  All of a sudden, … Continue reading →

Posted in Microsoft, opinion, rant, Windows 8 | 4 Comments

CCNA Certification Changes 2013 Summary

Posted on 2013/04/03

On 26 March 2013, Cisco announced new CCNA certifications.. Here is my interpretation of the changes. In a nutshell ICND1 is now considerably harder, absorbing much of the ICND2 content (IPv6, ACLs, VLANs and OSPF) while ICND2 seems to be … Continue reading →

Posted in 802.1ad, 802.3ad, 802.3ax, ACL, CCNA, Certifications, Cisco, EIGRP, Etherchannel, ICND, ICND1, ICND2, IPv6, New CCNA certification, New Cisco certifications, opinion, OSPF, portfast, rant, rapid spanning-tree, RIP, Routing, spanning-tree, VLANs, VLSM, VTP, wifi, wireless network | 6 Comments

Dynamips/GNS3 Idle-PC explained. Finally!

Posted on 2013/02/24

Firstly let me say thanks to Jeremy Grossmann (principal programmer for GNS3) for helping me finally get my head around this concept. I have to admit that I’d I had only a vague idea of what was happening when I … Continue reading →

Posted in dynamips, GNS3, idle-max, Idle-PC, idle-sleep, idlemax, idlepc, idlesleep | Tagged , , , , , , , , , , | 3 Comments

Cisco WAAS Transparent Secure Channel

Posted on 2013/02/07

I was asked to explain exactly what happens in the “Transparent Secure Channel” as described in the “Cisco Wide Area Application Services SSL Application Optimizer Deployment Guide“. Here is the section under discussion – I’ve highlighted in red the point … Continue reading →

Posted in Cisco, SSL, WAAS

How to win at Letterpress

Posted on 2013/02/04

If you are not yet addicted to Letterpress, then at least you should give it a try. I predict it will be the hottest mobile game for 2013. Enough of the chit-chat. You can read the instructions on how to … Continue reading →

Posted in opinion

New icon for iTerm2?

Posted on 2013/01/16

I think it’s time for a new icon for iTerm2 – I’ve changed mine based on the picture at on the iTerm2 website - but mine are very unimaginative, but here they are if you want  Click on the pictures below … Continue reading →

Posted in iterm, iterm2, Mac OS X, Macintosh, opinion | Tagged , , , , ,

Windows 8 Install – What a ridiculous product key

Posted on 2013/01/08

Not Happy. Since I have a Mac, I had to buy the System Builder version of Windows 8 to legally run it in a Virtual Machine. I don’t have a problem with that. What I do have a problem with … Continue reading →

Posted in Macintosh, Microsoft, opinion, rant, virtual interface, VMware, Windows 8 | Tagged , ,

Vodafone? no – Vodafail!

Posted on 2013/01/06

I know the Vodafail tag is an old joke, but for me it is a joke no longer. Twelve months ago I signed up for another two years with Vodafone, sucked in by promises of “our network will get better, … Continue reading →

Posted in 3G, mobile phone, opinion, rant, Vodafail, Vodafone | Tagged , ,