Must have – The Administrative Distance

A Must have …. When a router learn the a network from different sources, it use the administrative distance to build the routing table. Low is best. Source Administrative Distance Connected interface 0 Static route 1 EIGRP summary route 5 External BGP 20 Internal EIGRP 90 IGRP 100 OSPF 110 IS-IS 115 RIP 120 Exterior …

Lan Switching part 1: Ethernet, Vlan & Trunk

Notes takes during my layer 2 reading. Cross-over cable ( T568A ) : KeY pins 1-3; 2-6 E1 Cable : Key pins : 1-2;4-5 Auto-MDX allow to use the wrong cable ( bot all cisco switch models) Switches are on auto-negotiation mode ( auto-determine speed and duplex ), use FLP (Fast Link Pulse) to “detect …