HP ProCurve Secure 7000dl Series Basic Management And Configuration Manual page 299

Finally, the company set up an Asymmetric Digital Subscriber (ADSL) line to
a local Internet Service Provider (ISP). Through this connection, the com-
pany's employees can access the Internet. (For information about ADSL, see
Chapter 7: ADSL WAN Connections.)
London
E1 with
Seething Lane
PPP
Office
192.168.1.1
Router A
Figure 6-9. Example WAN Using E1-Carrier Lines with PPP and Frame Relay
Figure 6-10 shows the configuration for the E1, PPP, and Frame Relay inter-
faces, as they appear in the running-config for Router B, the router for the
London Chelsea Harbor office.
Configuring the Data Link Layer Protocol for E1, T1, and Serial Interfaces
E1 with
Frame Relay
10.1.1.1 /30
London
Chelsea Harbor
Router B
ADSL2+ Annex B
with PPPoE
E1 with
Frame Relay
Frame Relay
Network
ISP
Router
Example Networks
Paris
Router C
Internet
6-47