Routing

Static and dynamic routing protocols including OSPF, BGP, EIGRP, IS-IS, route redistribution, filtering, and policy-based routing.

Topics

Lessons

eBGP/iBGP, path selection, route reflectors, confederations, communities

Feasible distance, successor routes, variance, redistribution

Level 1/2 routing, NSAP addressing, service provider use cases

Areas, LSA types, cost calculation, multi-area design, stub areas

Routing decisions beyond destination — match criteria, set actions

Redistribution between protocols, route maps, prefix lists, tagging

Manual route entries, default routes, floating statics