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| ZyWALL 5/35/70 Series User’s Guide |
| Table 106 VPN: SA Monitor (continued) | |
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| LABEL | DESCRIPTION |
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|
|
| IPSec Algorithm | This field displays the security protocols used for an SA. |
|
| Both AH and ESP increase ZyWALL processing requirements and |
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| communications latency (delay). |
| Refresh | Click Refresh to display the current active VPN connection(s). |
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| Disconnect | Select a security association index number that you want to disconnect and then |
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| click Disconnect. |
19.17 VPN Global Setting
Click VPN, then the Global Setting tab to open the VPN Global Setting screen. Use this screen to change your ZyWALL’s global settings.
Figure 157 VPN: Global Setting
The following table describes the labels in this screen.
Table 107 VPN: Global Setting
LABEL | DESCRIPTION |
|
|
Output Idle Timer | When traffic is sent to a remote IPSec router from which no reply is received |
| after the specified time period, the ZyWALL checks the VPN connectivity. If |
| the remote IPSec router does not reply, the ZyWALL automatically |
| disconnects the VPN tunnel. |
| Enter the time period (between 30 and 3600 seconds) to wait before the |
| ZyWALL checks all of the VPN connections to remote IPSec routers. |
| Enter 0 to disable this feature. |
|
|
Input Idle Timer | When no traffic is received from a remote IPSec router after the specified |
| time period, the ZyWALL checks the VPN connectivity. If the remote IPSec |
| router does not reply, the ZyWALL automatically disconnects the VPN tunnel. |
| Enter the time period (between 30 and 3600 seconds) to wait before the |
| ZyWALL checks all of the VPN connections to remote IPSec routers. |
| Enter 0 to disable this feature. |
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Chapter 19 VPN Screens | 332 |