Figure 9.3. PPTP Client Usage
9.5.5. The l2tp and pptp Commands
NetDefendOS provides two CLI commands for monitoring the status of L2TP and PPP:
• The l2tp CLI Command
NetDefendOS provides the CLI command l2tp to show information about both L2TP clients
and servers. To list the current state of all L2TP servers and clients, the command would be
the following:
gw-world:/> l2tp -state=all
To view all the sessions for a specific L2TP server, the syntax would be:
gw-world:/> l2tp -l2tpserver=<L2TP-server-object-name>
Below is an example of some output where an L2TP tunnel object called my_l2tp_tunnel1
which has been established but has no connected clients so it is only listening.
gw-world:/> l2tp -state=all
Active and listening sessions
L2TP Tunnel Remote GW State Tunnel IDs
------------------ ------------------ --------------- ----------------
my_l2tp_tunnel1 Listening 0 44555
If there are now two servers, one without clients (listening) and one with at least one client
(established), the output might look like the following:
Chapter 9: VPN
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