December 16, 2018

HSRP Version 1 vs Version 2

HSRP, or hot standby routing protocol, is very commonly used in the networking world. It is a great solution for providing redundant gateways for a wide array of networks. Over time there have been...

OSPF DR Election Process

OSPF is a routing protocol that is popular because of the compatibility between vendors, compared to EIGRP being a Cisco proprietary routing protocol. One major component of OSPF is the usa of...

BGP Best Path Selection

This is a subject that is key to the core of BGP and is something that needs to understood from the start. It is essential to everything that you will study and work with...
IPV6-DHCP-Lab

Cisco IPV6 DHCP Server Configuration

IPV6 DHCP Server configuration on a Cisco device is very similar to a normal, IPV4 configuration, but there is a big difference that you will want to make sure to not miss. Everything can...

Cisco Router IPSec VPN Tunnel Lab (with Video)

This post will cover the creation of an IPSec tunnel between two Cisco routers. If you've ever done one of these on an ASA firewall for instance, you will notice right off the bat...

BGP Aggregation and Suppress Maps

Within BGP, there are sometimes situations where it is better to send a summary address advertisement instead of advertisements for multiple subnets. This is the same with BGP as it is with other routing...

BGP Route Reflectors

Within BGP there are two common ways to build a BGP network. Full Mesh With a BGP Route Reflector The end goal is that each of the routers in your network has the prefixes from...
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