- Written by Srinivasan Viswanathan
- Posted on March 23, 2026
- Updated on November 10, 2026
- 2367 Views
The pre-VESPA wireless GW campus solution offered redundancy by means of having primary and secondary wireless GWs that can be configured in the Access Points (APs). APs monitor the primary tunnel's health by means of periodic ICMP messages, and switch to the secondary tunnel when the primary becomes unreachable, and traffic convergence is delayed until this failover happens.
