PLANET WNAP-1260 - Manual (Page 88)

User’s Manual of WNAP-1260
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8.6.4. VPN Passthrough
Choose Network Settings > VPN Passthrough and the VPN Passthrough page is displayed.
Figure 8-14
Object Description
 Disable SIP ALG:
Certain SIP applications have special mechanisms for passing
through the NAT firewall and SIP ALG may have conflicts with these
mechanisms. In most cases, please disable SIP ALG
 Disable
IPSEC/L2TP/PPTP
Pass-Through:
IPSEC/PPTP/L2TP Pass-Through provides a secure
communication method for remote computers in the wide area
network (WAN) (for example, the Internet).
Enable the corresponding VPN pass-through function if an
intra-network host needs to use a VPN protocol (such as the PPTP,
L2TP, IPSEC) to connect to a remote VPN network through the
router
After finishing settings, click Apply to save the settings.