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Cisco BGP-4 Command and Configuration Handbook

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Cisco BGP-4 Command and Configuration Handbook

By William R. Parkhurst
Published Apr 27, 2001 by Cisco Press.

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Description

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Copyright 2001
Pages: 400
Edition: 1st

eBook (Adobe DRM)
ISBN-10: 1-58705-301-2
ISBN-13: 978-1-58705-301-6

The comprehensive, hands-on guide to all Cisco IOS(r) Software BGP-4 commands

The complete BGP-4 command reference
invaluable for network designers, engineers, and architects
Provides configuration, troubleshooting, and verification scenarios for every possible BGP-4 command supported by Cisco IOS Software that can be implemented on a minimum number of routers
Groups BGP-4 commands by area of implementation route aggregation, auto-summary, route filtering, and route advertisement, just to name a few
Provides clear and concise commentary on the initial release, purpose, syntax, and usage of each BGP-4 command
Offers excellent CCIE certification preparation from one of the CCIE Program Managers
Includes supplementary information on regular expressions, route map logic, and RFC 1771, A Border Gateway Protocol 4 (BGP-4)

Cisco BGP-4 Command and Configuration Handbook is an exhaustive practical reference to the commands contained within BGP-4. For each command/subcommand, author Bill Parkhurst explains the intended use or function and how to properly configure it. Then he presents scenarios to demonstrate every facet of the command and its use, along with appropriate show and debug commands. Through the discussion of functionality and the scenario-based configuration examples, Cisco BGP-4 Command and Configuration Handbook will help you gain a thorough understanding of the practical side of BGP-4.

1. Route Aggregation.

aggregate-address address mask.

2. Auto-Summary.

auto-summary.

3. BGP-Specific Commands.

bgp always-compare-med. bgp bestpath as-path ignore. bgp bestpath med confed. bgp bestpath med missing-as-worst. bgp client-to-client reflection. bgp cluster-id 32-bit_id. bgp confederation identifier AS-number. bgp confederation peers 1_or_more_AS-numbers. bgp dampening. bgp dampening half-life. bgp dampening half-life reuse suppress max-suppress-time. bgp dampening route-map route-map-name. bgp default local-preference local-preference. bgp deterministic-med. bgp fast-external-fallover. bgp log-neighbor-changes. bgp router-id ip-address.

4. Default Information.

default-information originate. default-metric metric.

5. BGP Administrative Distance.

distance admin-distance ip-source-address ip-address-mask. distance admin-distance ip-source-address ip-address-mask ip-access-list-number. distance bgp external internal local.

6. BGP Route Filtering.

distribute-list.

7. BGP Maximum Paths.

maximum-paths number-of-paths.

8. Neighbor Configuration.

neighbor {ip-address | peer-group-name} advertise-map route-map-name1 non-exist-map route-map-name2. neighbor {ip-address | peer-group-name} advertisement-interval seconds. neighbor {ip-address | peer-group-name} default-originate. neighbor {ip-address | peer-group-name} description text. neighbor {ip-address | peer-group-name} distribute-list. neighbor {ip-address | peer-group-name} ebgp-multihop maximum-hop-count. neighbor {ip-address | peer-group-name} filter-list as-path-list-number in. neighbor {ip-address | peer-group-name} filter-list as-path-list-number out. neighbor {ip-address | peer-group-name} filter-list as-path-list-number weight weight. neighbor {ip-address | peer-group-name} maximum-prefix prefix-limit. neighbor {ip-address | peer-group-name} maximum-prefix prefix-limit warning-only. neighbor {ip-address | peer-group-name} maximum-prefix prefix-limit threshold-value. neighbor {ip-address | peer-group-name} maximum-prefix prefix-limit threshold-value warning-only. neighbor {ip-address | peer-group-name} next-hop-self. neighbor {ip-address | peer-group-name} password. neighbor peer-group-name peer-group. neighbor ip-address peer-group peer-group-name.

9. Route Advertisement.

network ip-address.

10. Route Redistribution.

redistribute protocol. redistribute protocol metric metric. redistribute protocol route-map route-map-name. redistribute protocol route-map route-map-name metric metric. redistribute protocol weight weight.

11. Address Summarization.

summary-address.

12. Synchronization.

synchronization.

13. BGP Timers.

timers bgp keepalive holdtime.

14. BGP show Commands.

show ip bgp. show ip bgp | begin line. show ip bgp prefix. show ip bgp community community-number(s). show ip bgp community-list community-list-number. show ip bgp dampened-paths. show ip bgp filter-list as-path-access-list. show ip bgp filter-list as-path-access-list | begin line. show ip bgp filter-list as

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