ZyXEL ZyWALL ATP700 User Guide - Page 289
Interfaces, ZyWALL ATP Series User's Guide, Table 112, Network > Interface > Tunnel
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Chapter 9 Interfaces Table 112 Network > Interface > Tunnel > Add/Edit (continued) LABEL DESCRIPTION Interface Name Zone Tunnel Mode IP Address Assignment IP Address Subnet Mask Metric IPv6 Address Assignment IPv6 Address/ Prefix Length This field is read-only if you are editing an existing tunnel interface. Enter the name of the tunnel interface. The format is tunnelx, where x is 0 - 3. For example, tunnel0. Use this field to select the zone to which this interface belongs. This controls what security settings the Zyxel Device applies to this interface. Select the tunneling protocol of the interface (GRE, IPv6-in-IPv4 or 6to4). See Section 9.7 on page 284 for more information. This section is available if you are configuring a GRE tunnel. Enter the IP address for this interface. Enter the subnet mask of this interface in dot decimal notation. The subnet mask indicates what part of the IP address is the same for all computers on the network. Enter the priority of the gateway (if any) on this interface. The Zyxel Device decides which gateway to use based on this priority. The lower the number, the higher the priority. If two or more gateways have the same priority, the Zyxel Device uses the one that was configured first. This section is available if you are configuring an IPv6-in-IPv4 or a 6to4 tunnel. Enter the IPv6 address and the prefix length for this interface if you want to use a static IP address. This field is optional. Metric 6to4 Tunnel Parameter 6to4 Prefix The prefix length indicates what the left-most part of the IP address is the same for all computers on the network, that is, the network address. Enter the priority of the gateway (if any) on this interface. The Zyxel Device decides which gateway to use based on this priority. The lower the number, the higher the priority. If two or more gateways have the same priority, the Zyxel Device uses the one that was configured first. This section is available if you are configuring a 6to4 tunnel which encapsulates IPv6 to IPv4 packets. Enter the IPv6 prefix of a destination network. The Zyxel Device forwards IPv6 packets to the hosts on the matched network. Relay Router Remote Gateway Prefix If you enter a prefix starting with 2002, the Zyxel Device will forward the matched packets to the IPv4 IP address converted from the packets' destination address. The IPv4 IP address can be converted from the next 32 bits after the prefix you specified in this field. See 6to4 Tunneling on page 285 for an example. The Zyxel Device forwards the unmatched packets to the specified Relay Router. Enter the IPv4 address of a 6to4 relay router which helps forward packets between 6to4 networks and native IPv6 networks. Enter the IPv4 network address and network bits of a remote 6to4 gateway, for example, 14.15.0.0/16. This field works if you enter a 6to4 Prefix not starting with 2002 (2003 for example). The Zyxel Device forwards the matched packets to a remote gateway with the network address you specify here, and the bits converted after the 6to4 Prefix in the packets. Gateway Settings My Address For example, you configure the 6to4 prefix to 2003:A0B::/32 and the remote gateway prefix to 14.15.0.0/16. If a packet's destination is 2003:A0B:1011:5::8, the Zyxel Device forwards the packet to 14.15.16.17, where the network address is 14.15.0.0 and the host address is the remain bits converted from 1011 after the packet's 6to4 prefix (2003:A0B). Specify the interface or IP address to use as the source address for the packets this interface tunnels to the remote gateway. The remote gateway sends traffic to this interface or IP address. ZyWALL ATP Series User's Guide 289