Multitech RF650VPN Uživatelský manuál stáhnout pdf (Strana 42)

FriendlyNET VPN Security Router

You will require three pieces of information about each LAN that is

taking part in a VPN connection:

1. The remote Network IP address of the LAN. This will usually be

the same as the address of the LAN port of the router, with the

last segment of the address changed to ‘0’.

2. The remote IP Netmask. This is the subnet mask that describes

the network. Most users should leave this at the default value

of 255.255.255.0.

3. The remote gateway IP address. This is the WAN address of

the router that is connecting the remote network to the Internet.

If the remote router is acquiring a dynamic IP address from its

ISP, enter 0.0.0.0.

Note: In this case, the remote end of the tunnel will have to ini-

tiate the connection. It is not possible to form a VPN between

two networks whose gateways each receive a dynamic IP ad-

dress.

Important! Each network joined by VPNs must have a different net-

work address. This means that if you leave the LAN address of the

first router set to the default value of 192.168.123.254, you should

change the LAN address of any other router connecting to the first

to another value. A good way to do this would be to change the third

octet of the IP address to a different value

Your configurations for both ends of the tunnel described in the pre-

vious diagram should look like the following:

Internet

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

LAN IP: 192.168.123.254

LAN 1

VR2004 A

VR2004 B LAN 2

1. The LAN side of the VR2004 uses one of a set of IP addresses reserved for private ad-

dresses, as defined in RFC 1918. They are:

From To

10.0.0.0 10.255.255.255

172.16.0.0 172.31.255.255

192.168.0.0 192.168.255.255

Most of the addresses shown in this manual are taken from these ranges. For more informa-

tion about these addresses, see RFC 1918: ftp://ftp.isi.edu/in-notes/rfc1918.txt

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