Route Summarization and the Route to Null0

Implementing a route to NULL0 is a well-known method for dropping traffic headed somewhere you don’t want it to go, or… a location that doesn’t exist!

APC Smart UPS 2200VA (SUA2200RM2U) Battery Replacement

Replacing the batteries in the APC 2200 Rackmount Smart UPS is something you can do yourself with a little bit of patience. The battery pack is HEAVY, so please practice proper lifting techniques to protect the vertebra, discs, and muscles that support the spine. When connecting the new batteries, make sure to BE CAREFUL and…
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2 Ways to Make Windows 11 Look and Feel More Like Windows 10

This guide shows how to change the right-click context menu in Windows 11 back to what you’re used to in Windows 10, as well as relocate the start button back to the left side of the taskbar.

The Basics of a LAN and How Ethernet Switching Works

A LAN is simply a collection of devices constrained within a localized area. More specifically, in the context of 802.3 (Ethernet), the term LAN would be used to define any network using Ethernet for communication. We can also include wireless (802.11) into this as well. Ethernet switches play the biggest role in today‚Äôs LANs, and…
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Routing Loops | Mutual Redistribution | Route Tagging | Cisco

Understanding the concept of mutual route redistribution and the potential for routing loops can easily throw your mind into a loop! The goal of this video is to hopefully make this topic a bit easier to digest. PID: 20221212-00001

IKEv2/IPSec Client to Site VPN Configuration | Cisco IOS | Cisco AnyConnect

This guide demonstrates how to configure a client to site IKEv2/IPSec tunnel on a Cisco ISR router.

Simple VPLS Configuration | LDP Signaling | Cisco | Service Provider

In this video I will walk you through configuring a very simple VPLS lab using 3 provider routers and 3 customer edge routers.

Implementing a Multiple ISP Configuration Using VRFs & MP-BGP

There are a few different ways you can implement provider redundancy in your network. You could terminate all ISPs into a single router using traditional ip sla + track. You could terminate the ISP connections on different routers, or even have a router per ISP – a 1:1 ISP to router ratio. The last method…
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Cisco EVN (Easy Virtual Network) Overview and Configuration | CCNP

Cisco EVN is a convenient way to trunk multiple sub-interfaces between routers when each sub-interface needs to be in its own VRF. Instead of taking the time to configure each sub-interface individually, EVN significantly reduces this network virtualization configuration by using VNET Trunks.

BGP Default Route Advertisement | 3 Ways to Advertise a Default Route Into BGP on a Cisco Router

Confused about how to redistribute a default route into BGP? I know, in most IGPs this is accomplished with “default-information originate”, however BGP is a little different. This video will show you the 3 different ways to advertise a default route into BGP on a Cisco router, and the difference between each of them.