PLANET VRT-420N - Manual (Page 42)

2. Configure PPTP Settings following the instructions below.
PPTP Choose Enable/Disable to enable/disable L2TP.
MTU Enter MTU value. The default value is 1482 bytes.
VPN Start IP Address Enter the VPN start IP address. The default value is 192.168.39.1.
Max VPN Clients Enter the max VPN clients.
Auto DNS Choose Enable/Disable to enable/disable Auto DNS.
DNS Enter DNS server if you choose Disable for Auto DNS.
CHAP Enable Choose Enable/Disable to enable/disable CHAP for VPN authentication.
MSCHAP Enable Choose Enable/Disable to enable/disable MSCHAP for VPN authentication.
MSCHAP2 Enable Choose Enable/Disable to enable/disable MSCHAP2 for VPN authentication.
MPP128 Enable Choose Enable/Disable to enable/disable MPP128 encryption.
Proxy ARP Enable Choose Enable/Disable to enable/disable Proxy ARP.
NAT Enable Choose Enable/Disable to enable/disable NAT.
Add VPN / PPTP Rule
Click on [Add] tab. You will see the following screen.
Configure [Add PPTP] Settings following the instructions below.
Sequence Number This defines the sequence of the PPTP rules.
Rule Enable Enable/Disable this PPTP rule
User Name Enter PPTP user name.
Password Enter PPTP password.
5.7 VPN IPSec
WAN failure detection works by detecting the presence of traffic on the 3G modem link. If the
link is idle for too long the router will attempt to ping a target IP address. If the ping does not
reply, the router assumes the link is down and attempts to fail over to Ethernet WAN link.
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