SerureCRT 8.3 installation on Ubuntu 16.04LTS Linux

This tutorial uses SerureCRT 8.3 - Nov 9, 2017 release running on Ubuntu 16.04LTS machine, follow the steps below and enjoy fully featured rock-solid terminal emulation: Download the latest SecureCRT for Linux Ubuntu 16.x 64-bit (scrt-8.3.0-1514.ubuntu16-64.x86_64.deb) from...

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GNS3 2.0.3 Error on Ubuntu 16.04LTS: IOS/IOU_name.bin%20is%20not%20executable

GNS3 2.0.3 Error Message on Ubuntu 16.04LTS: home/rana/GNS3/images/IOU/i86bi-linux-l2-adventerprisek9-15.6.0.9S.bin%20is%20not%20executable Some fellows came across the above error, while adding/configuring IOS/IOU on GNS3 2.0.3 and the development version GNS3 2.1.0 running on Ubuntu 16.04LTS machines. The error message is self explanatory, and...

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GNS3 2.0.3 & GNS3 2.1.0 Error on Ubuntu 16.04LTS: uBridge is not available, path doesn't exist.

GNS3 2.0.3 ERROR:"uBridge is not available, path doesn't exist, or you just installed GNS3 and need to restart your user session to refresh user permissions" Solution: I came across the above uBridge error, while running GNS3 2.0.3 stable version (also tried the development version of GNS3 2.1.0, but stuck at the same error), on my Ubuntu 16.04LTS...

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Cisco Packet Tracer 7.1 Installation on Ubuntu 16.04 LTS Linux

Cisco Packet Tracer (CPT) is a free Network and IoT Simulation & Visualization tool for starters in Cisco Networking Technologies. Packet Tracer's 32bit & 64bit versions are available for Microsoft Windows 7, 8.1 and 10, and a 64-bit version is available for...

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Fascinating Box Up Time!

A fellow sent me a picture showing UP TIME of a Production Switch, the longest I have ever seen!!!!  Box UpTime of 19years; just inplace upgrades, never reloaded or lost power, isn't it fascinating? How much more have you see...

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Clock Rate or Clocking

Clock rate/Clocking is actual line speed and is configured on serial links in DCE side of network. When you set the clock rate for a serial interface, you are setting the speed of the interface, in other words, actual rate of data transfer. It has to do with the physical speed of the circuit (typically based on TDM architectures) where...

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Ethernet Frame - Explained!

Ethernet Frame The Ethernet frame structure is defined in the IEEE 802.3 standard. Following explains a typical Ethernet Frame and description of each field in the frame: Preamble – informs the receiving system...

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What is Ethernet?

Ethernet is a family of physical and data-link layer technologies for Local Area Networks (LANs) that is used to transport streams of data. It is a contention-based media access method that allows all hosts on a network to share the same link’s bandwidth. Ethernet uses both Data Link and Physical layer specifications. Ethernet uses a...

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How To Run Juniper Router JunOS Olive VM image(.OVA) in GNS3

How To Run Juniper Router JunOS Olive VM image (.OVA) in GNS3 First of all, download, install and run Oracle VM VirtualBox, and GNS3 on your PC. Secondly, download the JunOS Olive VM image from the link below: Download JunOS image file for GNS3 (Link searched from...

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How to run Juniper Router (JunOS) .img in GNS3

Installing Juniper Router IOS (Junos) .img via GNS3 Qemu on Local Computer or GNS3 VM: Pre-requisites GNS3 installed VMWare or Oracle VM VirtualBox installed (If you want to install to VM) Juniper Router IOS (Junos) .img file Adding Junos in GNS3 Open GNS3...

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