xv
Security
225
Creating Neighbors
226
Designated and Backup Designated Routers
227
Stub Areas
228
Totally Stubby Area
229
Not-So-Stubby Areas (NSSAs)
229
NSSAs and Type 7 LSAs
229
External Link Advertisement
229
Determining OSPF Convergence
230
Load Balancing with OSPF
231
OSPF Backbone Design and Address Mapping: Area 0
231
Virtual Link
232
OSPF Area Addressing
232
Bit-Splitting the Address Space
233
Discontiguous Subnets
233
Determining IGRP/EIGRP Routing, Characteristics, and Convergence
233
IGRP Features
234
IGRP Stability
235
IGRP Route Holddown
235
Fine-Tuning IGRP
235
Split Horizon
236
IGRP Variance
236
Determining EIGRP Routing, Characteristics, and Convergence
236
Components of EIGRP
237
Neighbor Discovery/Recovery
237
Reliable Transport Protocol
238
DUAL Finite-State Machine
238
Protocol-Dependent Modules
238
EIGRP Characteristics
239
EIGRP Supports Mobile IP
240
EIGRP Supports VLSM
240
Foundation Summary
241
OSPF Design Concepts
241
Q&A
244
87200333.book Page xv Wednesday, August 22, 2001 2:18 PM