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Virtual Private Networks (VPN)
The Configuration window is displayed.
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 g .
c. For Address, enter the IPv4 address or network that can access the device's
d. Click g again to list additional IP addresses or networks.
To limit access to specified IPv6 addresses and networks:
n
a. Click IPv6 Addresses.
b. For Add Address, click g .
c. For Address, enter the IPv6 address or network that can access the device's
d. Click g again to list additional IP addresses or networks.
To limit access to hosts connected through a specified interface on the IX40 device:
n
a. Click Interfaces.
b. For Add Interface, click g .
c. For Interface, select the appropriate interface from the dropdown.
d. Click g again to allow access through additional interfaces.
To limit access based on firewall zones:
n
a. Click Zones.
b. For Add Zone, click g .
c. For Zone, select the appropriate firewall zone from the dropdown.
d. Click g again to allow access through additional firewall zones.
6. To add an L2TP access concentrator:
a. Click to expand L2TP access concentrators.
b. For Add L2TP access concentrator, type a name for the LACand click g .
c. LACs are enabled by default. To disable, toggle off Enable.
d. For L2TP network server, type the hostname or IP address of the L2TP network server.
IX40 User Guide
service-type. Allowed values are:
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.
l
service-type. Allowed values are:
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.
l
See
Firewall configuration
for information about firewall zones.
L2TP
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