HP T5520 Administrator's Guide Microsoft Windows CE Image for HP Compaq t5000 - Page 53

Virtual Private Network (L2TP) Connection, PPP Over Ethernet (PPPoE) Connection, Port Lock

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Control Panel The connection to the ISP must be established first, before contacting the enterprise PPTP VPN server. This includes dial-up access as well as direct access through the cable modem and DSL modem paths. Virtual Private Network (L2TP) Connection Layer Two Tunneling Protocol (L2TP) merges Microsoft's PPTP protocol with Cisco's Layer Two Forwarding (L2F) protocol. L2TP is basically the same as PPTP; the primary difference is that L2TP supports encryption. PPP Over Ethernet (PPPoE) Connection This is a connection from the thin client Ethernet port directly to the enterprise intranet. No additional hardware is required. In this configuration all network services may be used, including the enterprise DHCP server. A DHCP server on the network may provide not only the terminal's IP address, but also the location of the file server containing the software updates. Port Lock The Port Lock dialog box allows you to enable or disable COM 1 and LPT ports. Open the Port Lock dialog box by double-clicking the Port Lock icon in the Control Panel. To enable (lock) a port, select the appropriate check box(es) and click OK. ✎ HP Compaq t5300 thin client models do not have legacy ports. Therefore, the Port Lock program will not appear in the Control Panel for those systems. Administrator's Guide www.hp.com 5-17

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Administrator’s Guide
www.hp.com
5-17
Control Panel
The connection to the ISP must be established first, before contacting
the enterprise PPTP VPN server. This includes dial-up access as well
as direct access through the cable modem and DSL modem paths.
Virtual Private Network (L2TP)
Connection
Layer Two Tunneling Protocol (L2TP) merges Microsoft’s PPTP
protocol with Cisco’s Layer Two Forwarding (L2F) protocol. L2TP is
basically the same as PPTP; the primary difference is that L2TP
supports encryption.
PPP Over Ethernet (PPPoE) Connection
This is a connection from the thin client Ethernet port directly to the
enterprise intranet. No additional hardware is required.
In this configuration all network services may be used, including the
enterprise DHCP server. A DHCP server on the network may provide
not only the terminal’s IP address, but also the location of the file
server containing the software updates.
Port Lock
The Port Lock dialog box allows you to enable or disable COM 1 and
LPT ports.
Open the Port Lock dialog box by double-clicking the
Port Lock
icon
in the Control Panel.
To enable (lock) a port, select the appropriate check box(es) and click
OK
.
✎
HP Compaq t5300 thin client models do not have legacy ports.
Therefore, the Port Lock program will not appear in the Control Panel
for those systems.