IPsec Troubleshooting: Branch Office Configuration Example

In the first example, two branch offices are connected to a headquarters office.

Headquarters:	Public IP 1.1.1.1, on interface eth0. Local networks are 10.0.0.0/8
Branch Office #1:	Public IP 2.2.2.1, on interface eth0. Local networks are 192.168.10.0/8
Branch Office #2:	Public IP 3.3.3.1, on interface eth0. Local networks are 192.168.20.0/8

Location	Configuration
Headquarters	`Name: HQ` `Enable: Yes` `Gateway type: Response` `Interface name: Eth0` `Policy name: default` `Authentication type: Pre-shared key` `Key: ******` `Local Network: 10.0.0.0/24` `Remote Network: 192.168.10.0/24 and 192.168.20.0/24`
Branch Office #1	`Name: toHQ1` `Enable: Yes` `Gateway type: Initiate` `Gateway: 1.1.1.1` `Interface name: Eth0` `Policy name: default` `Authentication type: Pre-shared key` `Key: ******` `Local Network: 192.168.10.0/24 Remote Network: 10.0.0.0/24`
Branch Office #2	`Name: toHQ1` `Enable: Yes` `Gateway type: Initiate` `Gateway: 1.1.1.1` `Interface name: Eth0` `Policy name: default` `Authentication type: Pre-shared key` `Key: ******` `Local Network: 192.168.10.0/24 Remote Network: 10.0.0.0/24`

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