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Chapter 16 VPN
ADSL Series User’s Guide
204
Figure 104
VPN: IKE SA and IPSec SA
In this example, a computer in network A is exchanging data with a computer in network B. Inside
networks A and B, the data is transmitted the same way data is normally transmitted in the
networks. Between routers X and Y, the data is protected by tunneling, encryption, authentication,
and other security features of the IPSec SA. The IPSec SA is established securely using the IKE SA
that routers X and Y established first.
My IP Address
My IP Address is the WAN IP address of the ZyXEL Device. The ZyXEL Device has to rebuild the
VPN tunnel if My IP Address changes after setup.
The following applies if this field is configured as 0.0.0.0:
• The ZyXEL Device uses the current ZyXEL Device WAN IP address (static or dynamic) to set up
the VPN tunnel.
Secure Gateway Address
Secure Gateway Address is the WAN IP address or domain name of the remote IPSec router
(secure gateway).
If the remote secure gateway has a static WAN IP address, enter it in the Secure Gateway
Address field. You may alternatively enter the remote secure gateway’s domain name (if it has
one) in the Secure Gateway Address field.
You can also enter a remote secure gateway’s domain name in the Secure Gateway Address field
if the remote secure gateway has a dynamic WAN IP address and is using DDNS. The ZyXEL Device
has to rebuild the VPN tunnel each time the remote secure gateway’s WAN IP address changes
(there may be a delay until the DDNS servers are updated with the remote gateway’s new WAN IP
address).
Dynamic Secure Gateway Address
If the remote secure gateway has a dynamic WAN IP address and does not use DDNS, enter 0.0.0.0
as the secure gateway’s address. In this case only the remote secure gateway can initiate SAs. This
may be useful for telecommuters initiating a VPN tunnel to the company network (see
for configuration examples).
The Secure Gateway IP Address may be configured as 0.0.0.0 only when using IKE key
management and not Manual key management.
A
X
Y
B
IPSec SA
IKE SA
Содержание P-660HN-F1
Страница 2: ...Videos ADSL Series User s Guide 2 Videos File Sharing Video Example 55 QoS Video Example 76...
Страница 6: ...Document Conventions ADSL Series User s Guide 6 Server Firewall Router Switch...
Страница 8: ...Safety Warnings ADSL Series User s Guide 8...
Страница 10: ...Contents Overview ADSL Series User s Guide 10...
Страница 19: ...19 PART I User s Guide...
Страница 20: ...20...
Страница 26: ...Chapter 1 Introduction ADSL Series User s Guide 26...
Страница 40: ...Chapter 2 Introducing the Web Configurator ADSL Series User s Guide 40...
Страница 80: ...Chapter 3 Tutorials ADSL Series User s Guide 80...
Страница 81: ...81 PART II Technical Reference...
Страница 82: ...82...
Страница 130: ...Chapter 6 Wireless ADSL Series User s Guide 130...
Страница 160: ...Chapter 8 Routing ADSL Series User s Guide 160...
Страница 164: ...Chapter 9 DNS Route ADSL Series User s Guide 164...
Страница 182: ...Chapter 11 Network Address Translation NAT ADSL Series User s Guide 182...
Страница 190: ...Chapter 13 Firewall ADSL Series User s Guide 190...
Страница 202: ...Chapter 15 Certificates ADSL Series User s Guide 202...
Страница 222: ...Chapter 16 VPN ADSL Series User s Guide 222...
Страница 226: ...Chapter 17 System Monitor ADSL Series User s Guide 226...
Страница 228: ...Chapter 18 User Account ADSL Series User s Guide 228...
Страница 242: ...Chapter 24 Backup Restore ADSL Series User s Guide 242...
Страница 246: ...Chapter 25 Diagnostic ADSL Series User s Guide 246...
Страница 254: ...Chapter 26 Troubleshooting ADSL Series User s Guide 254...
Страница 262: ...Chapter 27 Product Specifications ADSL Series User s Guide 262...
Страница 302: ...Appendix B Setting Up Your Computer s IP Address ADSL Series User s Guide 302...
Страница 310: ...Appendix C Pop up Windows Java Script and Java Permissions ADSL Series User s Guide 310...
Страница 334: ...Appendix E Common Services ADSL Series User s Guide 334...
Страница 355: ...Appendix F Open Software Announcements ADSL Series User s Guide 355...
Страница 356: ...Appendix F Open Software Announcements ADSL Series User s Guide 356...
Страница 360: ...Appendix G Legal Information ADSL Series User s Guide 360...