ZyXEL Communications SBG3300-N series User Manual page 10

Table of Contents
18.1.1 What You Can Do in this Chapter ...........................................................................197
18.2 What You Need to Know ..................................................................................................197
18.3 The Local Certificates Screen ..........................................................................................198
18.3.1 Create Certificate Request ....................................................................................199
18.3.2 Load Signed Certificate .........................................................................................200
18.4 The Trusted CA Screen ...................................................................................................201
18.4.1 View Trusted CA Certificate ....................................................................................202
18.4.2 Import Trusted CA Certificate .................................................................................203
Chapter 19
IPSec VPN.............................................................................................................................. 205
19.1 Overview ..........................................................................................................................205
19.2 What You Can Do in this Chapter ....................................................................................205
19.3 What You Need To Know .................................................................................................206
19.4 The Setup Screen ............................................................................................................206
19.4.1 Add/Edit VPN Rule .................................................................................................207
19.4.2 The VPN Connection Add/Edit Screen ...................................................................208
19.4.3 The Default_L2TP_VPN IPSec VPN Rule ..............................................................214
19.5 The IPSec VPN Monitor Screen .......................................................................................215
19.6 The Radius Screen ..........................................................................................................215
19.7 Technical Reference .........................................................................................................216
19.7.1 IPSec Architecture ..................................................................................................217
19.7.2 Encapsulation .........................................................................................................218
19.7.3 IKE Phases ............................................................................................................219
19.7.4 Negotiation Mode ...................................................................................................219
19.7.5 IPSec and NAT .......................................................................................................220
19.7.6 VPN, NAT, and NAT Traversal ................................................................................220
19.7.7 ID Type and Content ...............................................................................................221
19.7.8 Pre-Shared Key ......................................................................................................222
19.7.9 Diffie-Hellman (DH) Key Groups .............................................................................223
Chapter 20
PPTP VPN .............................................................................................................................. 225
20.1 Overview ..........................................................................................................................225
20.2 What You Can Do in this Chapter ....................................................................................225
20.3 PPTP VPN Setup .............................................................................................................226
20.4 The PPTP VPN Monitor Screen .......................................................................................227
20.5 PPTP VPN Troubleshooting Tips .....................................................................................227
Chapter 21
L2TP VPN............................................................................................................................... 231
21.1 Overview ..........................................................................................................................231
21.1.1 What You Can Do in this Chapter ...........................................................................231
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SBG3300-N Series User's Guide