Digi TX54, Руководство пользователя

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Virtual Private Networks (VPN) L2TP
TX54 User Guide 510
3. Click VPN > L2TP .
4. (Optional) Type the UDP listening port that L2TP servers will listen on, if other than the
default of 1701 .
5. Set the access control for L2TP tunnels:
n
To limit access to specified IPv4 addresses and networks:
a. Click IPv4 Addresses .
b. For Add Address , click

.
c. For Address , enter the IPv4 address or network that can access the device's
service-type. Allowed values are:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any : No limit to IPv4 addresses that can access the service-type.
d. Click

again to list additional IP addresses or networks.
n
To limit access to specified IPv6 addresses and networks:
a. Click IPv6 Addresses .
b. For Add Address , click

.
c. For Address , enter the IPv6 address or network that can access the device's
service-type. Allowed values are:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any : No limit to IPv6 addresses that can access the service-type.
d. Click

again to list additional IP addresses or networks.
n
To limit access to hosts connected through a specified interface on the TX54 device:
a. Click Interfaces .
b. For Add Interface , click

.
c. For Interface , select the appropriate interface from the dropdown.
d. Click

again to allow access through additional interfaces.
n
To limit access based on firewall zones:
a. Click Zones .
b. For Add Zone , click

.