© 2005 Cisco Systems, Inc. All rights reserved. BGP v Module Summary There are a number of connectivity aspects that must be considered in planning network connectivity to an ISP, including physical connection types, the redundancy provided by the connection method that is chosen, IP addressing requirements, and AS numbering considerations. Implementing customer-to-provider connectivity with static routes requires a knowledge of the characteristics and design considerations related to static routes and of how to configure static routing in nonredundant, backup, and load-sharing configurations. In configuring a customer network and a provider network to accommodate multiple connections between them, considerations such as private AS number removal and configuration of a network to support either backup links or load sharing (balancing) are involved. Customers that require the maximum redundancy in their network design should implement a configuration that is multihomed to multiple service providers, addressing considerations such as address selection, private AS number translation, and configuration of the network to support either backup links or load sharing.

© 2005 Cisco Systems, Inc. All rights reserved. BGP v3.25-2