BGP Tutorial for ISP customers – BGP community string from ISP

Most of the decent size of ISP provides BGP community string for their customer. By using BGP community string, you can control our announcement globally…

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BGP sample configuration 3-1-1

4-3-1. Cisco dual BGP with AS prepend (Redundancy)

Cisco dual BGP with AS prepend (Redundancy)     ISPs : 2 WAN links : 2 CPE : 1 PE : 2 Device : Cisco…

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BGP sample configuration 4-6-1

4-6-1. Cisco dual BGP with Conditional Announcement

Cisco dual BGP with Conditional Announcement     ISPs : 2 WAN links : 2 CPE : 1 GW(PE) : 2 Device : Cisco router…

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BGP sample configuration 3-1-1

4-3-2. Cisco dual BGP with AS prepend (Load-balancing)

Cisco dual BGP with AS prepend (Load-balancing)     ISPs : 2 WAN links : 2 CPE : 1 PE : 2 Device : Cisco…

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BGP sample configuration 7-1-1

7-1-1. Cisco dual BGP with eBGP (Failover)

Cisco dual BGP with eBGP (Failover)     ISPs : 2 WAN links : 2 CPE : 2 PE : 2 Device : Cisco router…

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BGP sample configuration 1-5-1

1-5-1. Cisco Single BGP with Community String

Cisco Single BGP with Community String     ISPs : 1 WAN links : 1 CPE : 1 PE : 1 Device : Cisco router…

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BGP sample configuration 3-1-1

4-5-1. Cisco dual BGP with Origin Value (Redundancy)

Cisco dual BGP with Origin Value (Redundancy)     ISPs : 2 WAN links : 2 CPE : 1 PE : 2 Device : Cisco…

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BGP sample configuration 1-6-1

1-6-1. Cisco Single BGP with Multi-hop

Cisco Single BGP with Multi-hop     ISPs : 1 WAN links : 1 CPE : 1 PE : 1 Device : Cisco router with…

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BGP sample configuration 3-1-1

4-5-2. Cisco dual BGP with Origin Value (Load-balancing)

Cisco dual BGP with Origin Value (Load-balancing)     ISPs : 2 WAN links : 2 CPE : 1 PE : 2 Device : Cisco…

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BGP sample configuration 2-1-1

2-1-1. Cisco Single BGP with Multi-hop (load-balancing)

Cisco Single BGP with Multi-hop (load-balancing)     ISPs : 1 WAN links : 2 CPE : 1 PE : 1 Device : Cisco router…

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