ZyXEL VMG3925-B10B User Guide - Page 60

Before You Begin

Page 60 highlights

Chapter 6 Broadband Figure 17 IPv6 Rapid Deployment LAN - IPv6 - IPv4 WAN - IPv4 - IPv6 in IPv4 IPv6 + IPv4 ISP (IPv4) IPv6 in IPv4 IPv4 IPv4 Internet BR IPv6 Internet Dual Stack Lite Use Dual Stack Lite when local network computers use IPv4 and the ISP has an IPv6 network. When the VMG has an IPv6 WAN address and you set IPv6/IPv4 Mode to IPv6 Only, you can enable Dual Stack Lite to use IPv4 computers and services. The VMG tunnels IPv4 packets inside IPv6 encapsulation packets to the ISP's Address Family Transition Router (AFTR in the graphic) to connect to the IPv4 Internet. The local network can also use IPv6 services. The VMG uses it's configured IPv6 WAN IP to route IPv6 traffic to the IPv6 Internet. Figure 18 Dual Stack Lite LAN - IPv6 - IPv4 WAN - IPv6 - IPv4 in IPv6 IPv6 + IPv4 ISP (IPv6) IPv6 IPv4 in IPv6 AFTR IPv4 Internet IPv6 Internet 6.1.3 Before You Begin You need to know your Internet access settings such as encapsulation and WAN IP address. Get this information from your ISP. VMG3925-B10B User's Guide 60

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Chapter 6 Broadband
VMG3925-B10B User’s Guide
60
Figure 17
IPv6 Rapid Deployment
Dual Stack Lite
Use Dual Stack Lite when local network computers use IPv4 and the ISP has an IPv6 network.
When the VMG has an IPv6 WAN address and you set
IPv6/IPv4 Mode
to
IPv6 Only
, you can
enable Dual Stack Lite to use IPv4 computers and services.
The VMG tunnels IPv4 packets inside IPv6 encapsulation packets to the ISP’s Address Family
Transition Router (AFTR in the graphic) to connect to the IPv4 Internet. The local network can also
use IPv6 services. The VMG uses it’s configured IPv6 WAN IP to route IPv6 traffic to the IPv6
Internet.
Figure 18
Dual Stack Lite
6.1.3
Before You Begin
You need to know your Internet access settings such as encapsulation and WAN IP address. Get this
information from your ISP.
ISP (IPv4)
IPv6 Internet
IPv4
IPv6
BR
IPv6 in IPv4
IPv4 Internet
IPv4
+
LAN
- IPv6
- IPv4
WAN
- IPv4
- IPv6 in IPv4
ISP (IPv6)
IPv6 Internet
IPv6
AFTR
IPv4 in IPv6
IPv4 Internet
IPv6
IPv4
+
LAN
- IPv6
- IPv4
WAN
- IPv6
- IPv4 in IPv6