FAQs
| Q1: | Where is the VPDN technology used the most? |
| A1: | VPDN is ideal for remote dialup users (clients) who can connect to a public network via ISDN or an analog modem and who also require access to a private corporate network. |
| Q2: | What are the port numbers for VPDN in a Cisco implementation? |
| A2: | L2F and L2TP are deployed over UDP port 1701, and PPTP is deployed over UDP port 1723. |
| Q3: | What authentication techniques can VPDN use? |
| A3: | VPDN can authenticate locally and via remote RADIUS or TACACS+ servers. |
| Q4: | In what capacity can VPDN be implemented on the PIX Firewall? |
| A4: | PIX Firewall allows VPDN for inbound connections and implements the L2TP, PPTP, and PPPoE features. When implementing L2TP and PPTP, PIX acts as a server. With PPPoE, the PIX Firewall ... |
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