-102-
5) Tunnel 6to4
Figure 4-106 Tunnel 6to4
Address/Subnet Mask/Default Gateway - the IPv4 address/ subnet mask/ default gateway
assigned, in dotted-decimal notation.
Tunnel Address - The 6to4 tunnel address created by the device to access to the IPv6
network.
MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet networks
is 1480 Bytes. For some ISPs, you may need to modify the MTU. But this is rarely required,
and should not be done unless you are sure it is necessary for your ISP connection.
If your ISP gives you one or two DNS IPv6 addresses, select Use the following IPv6 DNS
Servers and enter the Primary IPv6 DNS and Secondary IPv6 DNS into the correct fields.
Otherwise, the DNS servers will be assigned from ISP dynamically.
Primary IPv6 DNS - Enter the DNS IPv6 address in dotted-decimal notation provided by your
ISP.
Secondary IPv6 DNS - Enter another DNS IPv6 address in dotted-decimal notation provided
by your ISP.
Note:
If you get Address not found error when you access a Web site, it is likely that your DNS servers
are set up improperly. You should contact your ISP to get DNS server addresses.
Address Autoconfiguration Type – RADVD (Router Advertisement Daemon) and DHCPv6
(Dynamic Host Configuration Protocol for IPv6) Server.
Site Prefix Configuration Type - The type of IPv6 address prefix.
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