Palo Alto Networks Knowledgebase: Multi-Site Dual ISP Redundant Site-to-Site VPN with OSPF Failover

Multi-Site Dual ISP Redundant Site-to-Site VPN with OSPF Failover

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Created On 02/07/19 23:49 PM - Last Updated 02/07/19 23:50 PM
VPNs
Resolution

This document covers the configuration of a multi-site VPN scenario with dual ISPs and quadruple VPN tunnels at each site.

This scenario has three sites, two remote branches and one main site.

Each location has two ISP connections, the remote branches do not connect directly to each other, only to the main site but with a full mesh configuration (4 tunnels per remote site).

 

This design will support the loss of a single connection at all of the three sites concurrently while maintaining full connectivity.



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