Windows Subsystem for Linux (WSL2) & Azure CLI

What is WSL?Windows Subsystem for Linux (WSL) lets you install and run Linux distributions on Windows. With WSL, you can run your favourite developer tools and productivity tools in one place, running both Linux and Windows simultaneously. Why?Traditionally you would either run a separate linix VM or setup a dual-booting system. WSL negates the need … Read more now..

Microsoft Authenticator Passkeys

Microsoft Authenticator Passkeys have become an essential tool for enhancing the security of Microsoft accounts, providing an additional layer of protection against unauthorized access. This feature allows users to set up a unique passkey on their mobile devices, which is required to verify their identity when signing in to their accounts. With the increasing number … Read more now..

Guest Shell (5.2.b)

Not to be confused with Cisco IOS shell ( that provides shell scripting capability to the Cisco IOS command-line-interface (CLI). Guestshell is a virtualized Linux-based environment, designed to run custom Linux applications, including Python for automated control and management of Cisco devices. It also includes the automated provisioning (Day zero) of systems. This container shell … Read more now..

EEM Applets (5.2.a)

Embedded Event Manager (EEM) provides real-time event detection and automation directly on Cisco IOS, IOS-XR and NX-OS platform. EEM offers the ability to monitor events and take informational, corrective, or any desired EEM action when the monitored events occur or when a threshold is reached. EEM provides a flexible, policy-driven framework that supports in-box monitoring … Read more now..

Cisco Shell

Cisco IOS shell ( provides shell scripting capability to the Cisco IOS command-line-interface (CLI).  Cisco enhances the process of controlling and configuring an IOS router using the CLI by including, variable substitution, paths, conditional statements, loops, pipes, functions, etc. Lets cover some of the features and how we enable it, it’s disabled by default. Prerequisites … Read more now..

MPLS LDP – IGP Synchronization

In certain networks, for example; Multiprotocol Label Switching (MPLS) Virtual Private Network (VPN) applications rely upon Label Switched Paths (LSP’s) set up by Label Distribution Protocol (LDP), in these networks, it is possible for the IGP to become operational on a link on which LDP is not resulting in labeled traffic being blackholed. IP packets could still … Read more now..

Juniper Online Proctored Exam (OP)

Juniper Networks Certification Program team is now offering an online proctored (OP) exam option that will allow candidates to conveniently and easily take an associate-level written exam in the comfort of their home or office while being monitored by an offsite proctor. While this was originally open just for Associate-level exams the Juniper Networks Certification … Read more now..

IPv6 Fundamentals

Well-known IPv6 multicast addresses Source address is always unicast Router Advertisement(ICMPv6 type 134): Advertisements are sent periodically, every 200 seconds (cisco). They are also sent immediately as a response to a Router Solicitation message originated by an end host. Router Solicitation(ICMPv6 type 133): Sent upon an interface of a node being enabled (FF02::2). Redirect(ICMPv6 type … Read more now..

Serial Interfaces (HDLC/PPP)

Serial interfaces can have different types of encapsulations and each encapsulation type determines the kind of keepalives that will be used. Enter the keepalive command in interface configuration mode in order to set the frequency at which a router sends ECHOREQ packets to its peer, keepalives can also be disabled with the “keepalive 0″ or … Read more now..