CCNP ROUTE Portable Command Guide

Chapter 6. Enterprise to ISP Connectivity

This chapter provides information and commands concerning the following enterprise to ISP connectivity topics:

• Configuring BGP

• BGP and loopback addresses

• eBGP multihop

• Verifying BGP connections

• Troubleshooting BGP connections

• Autonomous system synchronization

• Default routes

• Load balancing

• Authentication

• Attributes

— Route selection decision process

— Origin

— Next hop

— Autonomous system path: remove private autonomous system

— Autonomous system path: prepend

— Weight: the weight command

— Weight: access lists

— Weight: route maps

— Local preference: the bgp default local-preference command

— Local preference: route maps

— Multi-exit discriminator (MED)

— Atomic aggregate

• Regular ...