Managing the Device
Quantum Spark 1500, 1600, and 1800 Appliances R81.10.X Locally Managed Administration Guide|60
6. Make sure NAT Settings are disabled:
7. Expand the NAT Settings section and select the Do not hide internal networks behind this Internet
connection checkbox.
8. Make sure Prefix Delegation is disabled:
9. Expand the Prefix Delegation section and make sure that Enable prefix delegation for this Internet
connection is not checked.
10. Click Apply.
DS-Lite (Dual Stack Lite, IPoE)
DS-Lite is a connection type used by ISPs to provide internet access to IPv4 networks and services. It can
be WAN, DMZ, or an unassigned LAN port. You can use DS-Lite to carry IPv4 traffic over an IPv6 tunnel
between the gateway and a server.
IPv6 connection types:
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DHCPv6
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PPPoE
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Static IP - WAN, DMZ or unassigned LAN port.
The DS-Lite master WAN connection type must be one of these:
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Dynamic IPv6
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Static IPv6
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PPPoEv6
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Bridge IPv6
To enable DS-Lite:
1. In the Configuring Internet Connectivity page, click New/Edit the IPv4 connection.
The Edit Internet Connection window opens.
2. For Connection type, select DS-Lite.
Note - Make sure the interface type is the same for both IPv4 and IPv6. For example, if the
IPv4 the interface is configured as WAN, the IPv6 interface must also be configured as
WAN.
3. The AFTR address field is displayed.
Note - This field is not mandatory when the IPv6 connection type is DHCPv6.
4. In the Linked connection field, select the IPv6 connection name.
5. In the Advanced tab:
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Set the default MTU of the DS-Lite interface to 1460 (IPv4 default = 1500)
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Set the size of the IPv6 header to 40.
6. Click Apply
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