Netgear DGN1000v3 User Manual download pdf (Page 118)

Advanced Settings

118

N150 Wireless ADSL2+ Modem Router DGN1000v3

Your Internet service provider (ISP) can provide information about your IPv6 connection.

• If your ISP did not provide details, you can select 6to4 Tunnel.

• If you are not sure what type of IPv6 connection the modem router uses, select Auto

Detect so that the modem router detects the IPv6 type that is in use.

• If your Internet connection does not use PPPoE, DHCP

, a fixed IP address, or

pass-through but is IPv6, select Auto Config

Note: For IPv6 address requirements, information about IPv6 filtering, and

detailed information about IPv6 Internet connection types, see the

following sections.

3. Click the Apply button.

Your settings are saved.

Requirements for Entering IPv6 Addresses

IPv6 addresses are denoted by eight groups of hexadecimal quartets that are separated by

colons. Any four-digit group of zeroes within an IPv6 address can be reduced to a single zero

or altogether omitted.

The following errors invalidate an IPv6 address:

• More than eight groups of hexadecimal quartets

• More than four hexadecimal characters in a quartet

• More than two colons in a row

IPv6 Filtering

When you enable IPv6 and select any connection type other than IPv6 Pass Through, the

modem router starts the stateful packet inspection (SPI) firewall function on the WAN

interface. The modem router creates connection records and checks every inbound IPv6

packet. If the inbound packet is not destined to the modem router itself and the modem router

does not expect to receive such a packet, or the packet is not in the connection record, the

modem router blocks this packet. This function has two modes:

• Secured. In secured mode, the modem router inspects both

TCP and UDP packets.

• Open

. In open mode, the modem router inspects UDP packets only.

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Netgear DGN1000v3 User Manual Page 118