Dell W-Series 324 Instant 6.5.1.0-4.3.1.0 User Guide - Page 403
Scenario 3—IPsec: Multiple Datacenter Deployment with Primary and Backup Cont
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Scenario 3-IPsec: Multiple Datacenter Deployment with Primary and Backup Controllers for Redundancy This scenario includes the following configuration elements: l Multiple controller deployment model with controllers in different data centers operating as primary/backup VPN with Fast Failover and preemption enabled. l Split-tunneling of traffic. l Split-tunneling of client DNS traffic. l Two Distributed, L3 mode DHCPs, one each for employee and contractors; and one Local mode DHCP server. l RADIUS server within corporate network and authentication survivability enabled for branch survivability. l Wired and wireless users in L3 and NAT modes, respectively. l Access rules for wired and wireless users with source-NAT-based rule for contractor roles to bypass global routing profile. l OSPF based route propagation on controller. Topology Figure 122 shows the topology and the IP addressing scheme used in this scenario. Figure 122 Scenario 3-IPsec: Multiple Datacenter Deployment with Primary and Backup Controllers for Redundancy The IP addressing scheme used in this example is as follows: l 10.0.0.0/8 is the corporate network. l 10.30.0.0/16 subnet is reserved for L3 mode -used by Employee SSID. 403 | IAP-VPN Deployment Scenarios Dell Networking W-Series Instant 6.5.1.0-4.3.1.0 | User Guide