Siemens RUGGEDCOM ROX II User Manual page 476

Chapter 12
Tunneling and VPNs
Figure 20: Hub-and-Spoke Topology – Single Hub
1. Hub (Static IP Address) 2. Spoke (Static IP Address) 3. Hub-to-Spoke GRE/IPsec Tunnel
Spokes can also be connected to a secondary hub when redundancy is required.
Figure 21: Hub-and-Spoke Topology – Dual Hub
1. Hub (Static IP Address) 2. Spoke (Static IP Address) 3. Hub-to-Spoke GRE/IPsec Tunnel
430
1
3
2
1
3
2
4
2
4
2
RUGGEDCOM ROX II
CLI User Guide
2
1
2
Understanding DMVPN