Virtual PrivateNetworks(VPN) L2TP
IX20 User Guide
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Note The IX20 does not currently support the configuration of IPsec protocol/port traffic selectors.
This means that you cannot restrict traffic on the IPsec tunnel to L2TPtraffic (typically UDPport
1701).
While multiple L2TPclients are supported on the IX20 by configuring a separate LNSfor each client,
multiple clients behind a Network Address Translation (NAT) device are not supported, because they
will all appear to havethe same IPaddress.
Show L2TP tunnel status
Web
Show the statusof L2TP accessconnectorsfrom the WebUI
Log into the IX20 WebUI asa user with full Admin accessrights.
1. On the menu, select Status. Under VPN, select L2TP >Access Connectors.
The L2TP AccessConnectorspage appears.
2. To view configuration details about an L2TPaccessconnector, click the (configuration) icon
in the upper right of the tunnel's status pane.
Show the statusof L2TP network serversfrom the WebUI
Log into the IX20 WebUI asa user with full Admin accessrights.
1. On the menu, select Status. Under VPN, select L2TP >Network Servers.
The L2TP Network Serverspage appears.
2. To view configuration details about an L2TPnetwork server, click the (configuration) icon in
the upper right of the tunnel's statuspane.
Command line
Show the statusof L2TP accessconnectorsfrom the Admin CLI
1. Select the device in Remote Manager and click Actions> Open Console, or log into the IX20
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to accessthe Admin CLI.
2. To display details about all configured L2TPaccessconnectors, type the following at the
prompt:
> show l2tp lac
Name Enabled Status Device
--------- ------- ------ -----------
lac_test1 true up test_device0
lac_test2 true pending
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