Posts Tagged ‘Access Control List’

Border Gateway Protocol (BGP) is crucial for routing in large-scale networks. Managing and controlling the flow of routing information is essential for optimizing network performance and security. This article demonstrates how to use Access Control Lists (ACLs) and route-maps to control BGP route redistribution. Scenario In this scenario, Router R3 is configured to receive and […]

Rules Cisco routers support two types of ACLs: •Standard ACLs – ACLs only filter at Layer 3 using the source IPv4 address only. •Extended ACLs – ACLs filter at Layer 3 using the source and / or destination IPv4 address. They can also filter at Layer 4 using TCP, UDP ports, and optional protocol type information for […]