ZyXEL Vantage CNM User Guide - Page 330
IPSec VPN, Vantage CNM User's Guide
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Chapter 11 IPSec VPN Table 130 Device Operation > Device Configuration > VPN > IPSec VPN > VPN Connection > Add/Edit (IKE) (continued) LABEL DESCRIPTION Check Timeout Enter the number of seconds to wait for a response before the attempt is a failure. Check Fail Tolerance Enter the number of consecutive failures allowed before the ZyWALL disconnects the VPN tunnel. The ZyWALL resumes using the first peer gateway address when the VPN connection passes the connectivity check. Check this address Select this to specify a domain name or IP address for the connectivity check. Enter that domain name or IP address in the field next to it. Check the First and Last IP Address in the Remote Policy Select this to have the ZyWALL check the connection to the first and last IP addresses in the connection's remote policy. Make sure one of these is the peer gateway's LAN IP address. Log Select this to have the ZyWALL generate a log every time it checks this VPN connection. Advanced/Basic Click this button to show or hide the Inbound/Outbound traffic NAT fields. Inbound/Outbound traffic NAT Outbound Traffic Source NAT This translation hides the source address of computers in the local network. It may also be necessary if you want the ZyWALL to route packets from computers outside the local network through the IPSec SA. Source Select the address object that represents the original source address (or select Create Object to configure a new one). This is the address object for the computer or network outside the local network. The size of the original source address range (Source) must be equal to the size of the translated source address range (SNAT). Destination Select the address object that represents the original destination address (or select Create Object to configure a new one). This is the address object for the remote network. SNAT Select the address object that represents the translated source address (or select Create Object to configure a new one). This is the address object for the local network. The size of the original source address range (Source) must be equal to the size of the translated source address range (SNAT). Inbound Traffic Source NAT This translation hides the source address of computers in the remote network. Source Select the address object that represents the original source address (or select Create Object to configure a new one). This is the address object for the remote network. The size of the original source address range (Source) must be equal to the size of the translated source address range (SNAT). Destination Select the address object that represents the original destination address (or select Create Object to configure a new one). This is the address object for the local network. 330 Vantage CNM User's Guide