Multitech RF650VPN User Manual download pdf (Page 45)

User’s Manual

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Remote IP Network: 192.168.123.0

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Remote Netmask: 255.255.255.0

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Remote Gateway IP: 172.16.0.123

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Network Interface: The interface on the router used to

communicate with the remote network. Most users should

leave this set to WAN ETHERNET

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Local IPSEC Identifier: Allows you to identify multiple tun-

nels and does not have to match the name used at the

other end of the tunnel. The default value is Local.

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Remote IPSEC Identifier: Allows you to identify multiple

tunnels and does not have to match the name used at the

other end of the tunnel. The default value is Remote.

Note: If you do not know the Remote Gateway IP of the

remote client, you can enter 0.0.0.0. However, the VPN

connection request must then be initiated by the client. If

you select Manual Mode, you must enter the Remote

Gateway IP address.

4.3 IPSec Keying (IKE Mode)

A VPN tunnel is formed of two separate Secure Associations, or

SAs. One SA is used for traffic in each direction, and the router will

keep track of both SAs for you. Since the router is going to be en-

crypting the packets that are sent across an unsecured network (the

Internet), it needs a way to share a key so that each router can de-

crypt the data it receives.

Internet

VR2004

WAN IP: 10.10.0.123

Netmask: 255.255.255.0

LAN IP: 192.168.100.254

WAN IP: 172.16.0.123

Netmask: 255.255.255.0

Virtual LAN IP: 192.168.123.0

Mode 2

PC A

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Multitech RF650VPN User Manual Page 45