ZyXEL ZyWALL ATP700 User Guide - Page 314
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Chapter 9 Interfaces Table 119 Configuration > Network > Interface > Bridge > Add / Edit (continued) LABEL DESCRIPTION Router Preference Select the router preference (Low, Medium or High) for the interface. The interface sends this preference in the router advertisements to tell hosts what preference they should use for the Zyxel Device. This helps hosts to choose their default router especially when there are multiple IPv6 router on the network. Note: Make sure the hosts also support router preference to make this function work. MTU Hop Limit The Maximum Transmission Unit. Type the maximum size of each IPv6 data packet, in bytes, that can move through this interface. If a larger packet arrives, the Zyxel Device divides it into smaller fragments. Enter the maximum number of network segments that a packet can cross before reaching the destination. When forwarding an IPv6 packet, IPv6 routers are required to decrease the Hop Limit by 1 and to discard the IPv6 packet when the Hop Limit is 0. Advertised Prefix Configure this table only if you want the Zyxel Device to advertise a fixed prefix to the Table network. Add Click this to create an IPv6 prefix address. Edit Select an entry in this table and click this to modify it. Remove # Select an entry in this table and click this to delete it. This field is a sequential value, and it is not associated with any entry. IPv6 Address/ Prefix Length Advertised Prefix from DHCPv6 Prefix Delegation Enter the IPv6 network prefix address and the prefix length. 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. Use this table to configure the network prefix if you want to use a delegated prefix as the beginning part of the network prefix. Add Click this to create an entry in this table. Edit Select an entry in this table and click this to modify it. Remove Select an entry in this table and click this to delete it. References # Select an entry and click References to open a screen that shows which settings use the entry. See Section 9.4.4 on page 265 for an example. This field is a sequential value, and it is not associated with any entry. Delegated Prefix Select the DHCPv6 request object to use for generating the network prefix for the network. Suffix Address Enter the ending part of the IPv6 network address plus a slash (/) and the prefix length. The Zyxel Device will append it to the selected delegated prefix. The combined address is the network prefix for the network. For example, you got a delegated prefix of 2003:1234:5678/48. You want to divide it into 2003:1234:5678:1111/64 for this interface and 2003:1234:5678:2222/64 for another interface. You can use ::1111/64 and ::2222/64 for the suffix address respectively. But if you do not want to divide the delegated prefix into subnetworks, enter ::0/48 here, which keeps the same prefix length (/48) as the delegated prefix. Address This is the final network prefix combined by the selected delegated prefix and the suffix. Note: This field displays the combined address after you click OK and reopen this screen. Interface Parameters Egress Bandwidth Enter the maximum amount of traffic, in kilobits per second, the Zyxel Device can send through the interface to the network. Allowed values are 0 - 1048576. ZyWALL ATP Series User's Guide 314