| The roadwarrior <b>carol</b> sets up an IPsec tunnel connection to the gateway <b>moon</b> |
| which in turn activates <b>Dead Peer Detection</b> (DPD) with a polling interval of 10 s. |
| When the network connectivity between <b>carol</b> and <b>moon</b> is forcefully disrupted, |
| <b>moon</b> clears the connection after a number of unsuccessful retransmits. |
| |
| The roadwarrior <b>carol</b> sets up an IPsec tunnel connection to the gateway |
| <b>moon</b>. Both end points activate <b>Dead Peer Detection</b> (DPD) with a |
| polling interval of 10 s. When the network connectivity between <b>carol</b> |
| and <b>moon</b> is forcefully disrupted for a duration of 10 s, <b>moon</b> |
| clears the connection after 2 unsuccessful retransmits whereas <b>carol</b> |
| also takes down the connection but installs a route which triggers when |
| <b>carol</b> sends a ping to client <b>alice</b> behind gateway <b>moon</b>. |
| |