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Routing BGP Cisco BGP Configuration BGP sample configuration guide - Cisco
Routing BGP Cisco BGP Configuration BGP sample configuration guide - Cisco
Thursday, 19 April 2007 21:14 | 
Written by ip Balance | 
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More sample configuration is visit www.showipbgp.com.
Here is the BGP configurations for any possible combination of link layout for BGP. One of case in below chat should be match with your current network layout or your network want to be.
| Cases | ISP "A" (Line /Router) |
ISP "B" (Line /Router) |
Uer's Router |
IGP/HSRP/NAT | Key Point |
| Case 1-1 | (1/1) | - | 1 | no/no/no | > Basic BGP with default route |
| Case 1-2 | (1/1) | - | 1 | no/no/no | > Basic BGP with Metric |
| Case 1-3 |
(1/1) | - | 1 | no/no/no | > Basic BGP with AS prepand |
| Case 1-4 | (1/1) | - | 1 | no/no/no | > Basic BGP with Community String |
| Case 1-5 | (1/1) | - | 1 | EIGRP/no/no | > Basic BGP with IGP/EIGRP |
| Case 1-6 | (1/1) | - | 1 | IBGP/no/no | > Basic BGP with IGP/iBGP |
| Case 1-7 | (1/1) | - | 1 | no/no/Yes | > Basic BGP with NAT |
| Case 1-8 | (1/1) | - | 1 | no/no/no | > Basic Multi-hop eBGP |
| Case 2-1 | (2/1) | - | 1 | no/no/no | > Multi-hop eBGP with load-sharing |
| Case 2-2 | (2/1) | - | 1 | no/no/no | > Multi-hop eBGP with Community String |
| Case 3-1 | (2/2) | - | 1 | no/no/no | > Shadow/Fail-over/Local-pref |
| Case 3-2 | (2/2) | - | 1 | no/no/no | > Dual WAN/Fail-over/AS prepand |
| Case 3-3 | (2/2) | - | 1 | no/no/no | > Dual WAN/Community String |
| Case 4-1 | (1/1) | (1/1) | 1 | no/no/no | > Dual homed/AS prepand |
| Case 4-2 | (1/1) | (1/1) | 1 | no/no/no | > Dual homed/Community String |
| Case 4-3 | (2/2) | - | 2 | no/HSRP/no | > Dual homed/AS prepand |
| Case 4-4 | (2/2) | - | 2 | no/HSRP/no | > Dual homed/Community String |
| Case 5-1 |
(1/1) | (1/1) | 2 | no/HSRP/no | > Dual homed/AS prepand |
| Case 5-2 | (1/1) | (1/1) | 2 | no/HSRP/no | > Dual homed/Community String |
| Case 6-3 | (1/1) | (1/1) | 2 | EIGRP/no/no | > AS prepand |
| Case 6-4 | (1/1) | (1/1) | 2 | OSPF/no/no | > AS prepand |
**Click Case # in above table in order to see an articles
If you see any problems or questions, please feel free to send email us.
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Last Updated (Sunday, 20 November 2011 00:27)
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