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Saturday, 24 January 2026

Route Map Redistribution and configuration

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  Why use a route map for redistribution? Without a route-map, you redistribute everything. That's often a bad idea. You might leak rout...
Thursday, 15 January 2026

IPv6 Redistribution between EIGRPv3, OSPFv3 and RIPng

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 **IPv6 Route Redistribution**  Route redistribution in IPv6 allows different routing protocols (e.g., OSPFv3, EIGRP for IPv6, BGP, RIPng,...
Monday, 12 January 2026

IPv6 EIGRP: The Next-Generation Routing Protocol

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 IPv6 EIGRP: The Next-Generation Routing Protocol As networks transition to IPv6, routing protocols must evolve too. Enter EIGRP for IPv6 ...
Sunday, 4 January 2026

Cisco IP Source Guard (IPSG) and configuration

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 **Cisco IP Source Guard (IPSG)**   **Purpose:**  IP Source Guard is a security feature on Cisco switches designed to prevent IP addre...
Friday, 21 November 2025

What is OSPFv3 IPsec authentication? How to configure OSPFv3 authentication?

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 If you're coming from an OSPFv2 world, you're used to typing in a simple {IP OSPF AUTHENTICATION-KEY} command. When you jump to IPv...
Saturday, 15 November 2025

IPv6 Static, Default, and Dynamic routing lab

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 In this lab, we see the configuration of  IPv6 static, default, and dynamic routing protocols. This lab is divided into three labs: IPv6 St...
Saturday, 30 August 2025

What is an Offset-list? How to configure EIGRP Offset-list?

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 What is an Offset-list ? An Offset-list is an EIGRP and RIPv2 feature that allows you to add a fixed value (an “offset”) to the composi...