ZyXEL P-660RU-T1 User Guide - Page 117
Table 26, Label, Description
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Chapter 7 LAN Setup The following table describes the labels in this screen. Table 26 Network > LAN > IPv6 LABEL DESCRIPTION IPv6 Link Local Address Type Select Manual to manually enter a link local address. Select EUI64 to use the EUI-64 format to generate a link local address from the Ethernet MAC address. IPv6 Address If you selected Manual in the Link Local Address Type field, enter the LAN IPv6 address you want to assign to your ZyXEL Device in hexadecimal notation, for example, fe80::1 (factory default). Prefix Enter the address prefix to specify how many most significant bits in an IPv6 address compose the network address. MLD Snooping Multicast Listener Discovery (MLD) allows an IPv6 switch or router to discover the presence of MLD hosts who wish to receive multicast packets and the IP addresses of multicast groups the hosts want to join on its network. Select Enabled to activate MLD Snooping on the ZyXEL Device. This allows the ZyXEL device to check MLD packets passing through it and learn the multicast group membership. It helps reduce multicast traffic. LAN Global Identifier Type Select Manual to manually enter a LAN Identifier as the interface ID to identify the LAN interface. The LAN Identifier is appended to the IPv6 address prefix to create the routable global IPv6 address. Select EUI64 to use the EUI-64 format to generate an interface ID from the Ethernet MAC address. LAN Identifier If you selected Manual, enter the LAN Identifier in this field. The LAN identifier should be unique and 64 bits in hexadecimal form. Every 16 bit block should be separated by a colon as in XXXX:XXXX:XXXX:XXXX where X is a hexadecimal character. Blocks of zeros can be represented with double colons as in XXXX:XXXX::XXXX. LAN IPv6 Address Setting Delegate Prefix from Select this option to automatically obtain an IPv6 network prefix from the service WAN provider or an uplink router. Static Select this option to configure a fixed IPv6 address for the ZyXEL device's LAN IPv6 address. Static IPv6 Address If you select static IPv6 address, enter the IPv6 address prefix that the ZyXEL Device uses for the LAN IPv6 address. Prefix length If you select static IPv6 address, enter the IPv6 prefix length that the ZyXEL Device uses to generate the LAN IPv6 address. An IPv6 prefix length specifies how many most significant bits (starting from the left) in the address compose the network address. This field displays the bit number of the IPv6 subnet mask. Preferred Lifetime Enter the preferred lifetime for the prefix. Valid Lifetime Enter the valid lifetime for the prefix. Router Advertisement Configuration Send RA on Select this to have the ZyXEL Device send router advertisement messages to the LAN hosts. Router advertisement is a response to a router solicitation or a periodical multicast advertisement from a router to advertise its presence and other parameters, such as IPv6 prefix and DNS information. Router solicitation is a request from a host to locate a router that can act as the default router and forward packets. Note: The LAN hosts neither generate global IPv6 addresses nor communicate with other networks if you disable this feature. ADSL Router Series User's Guide 117