ZyXEL NBG6616 User Guide - Page 79
PPPoE Encapsulation, PPP over Ethernet
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Chapter 10 WAN Table 26 Network > WAN > Internet Connection: IPoE Encapsulation (continued) LABEL Set WAN MAC Address IPv6 Address DESCRIPTION Select this option and enter the MAC address you want to use. This is not available when you select IPv4 Only in the IPv6/IPv4 field. Obtain an IP Address Automatically Select this if you want to obtain an IPv6 address from a DHCPv6 server. Static IP Address Select this if you have a fixed IPv6 address assigned by your ISP. IPv6 Address Enter the IPv6 address assigned by your ISP. Prefix length Enter the address prefix length to specify how many most significant bits in an IPv6 address compose the network address. IPv6 Default Gateway Enter the IP address of the next-hop gateway. The gateway is a router or switch on the same segment as your NBG6616's interface(s). The gateway helps forward packets to their destinations. IPv6 DNS server This is not available when you select IPv4 Only in the IPv6/IPv4 field. Obtain IPv6 DNS info Automatically Select this to have the NBG6616 get the IPv6 DNS server addresses from the ISP automatically. Use the following Static DNS IPv6 Address Select this to have the NBG6616 use the IPv6 DNS server addresses you configure manually. IPv6 DNS Server Enter the IPv6 DNS server address assigned by the ISP. Apply Click Apply to save your changes back to the NBG6616. Cancel Click Cancel to begin configuring this screen afresh. 10.4.2 PPPoE Encapsulation The NBG6616 supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an IETF standard (RFC 2516) specifying how a personal computer (PC) interacts with a broadband modem (DSL, cable, wireless, etc.) connection. The PPP over Ethernet option is for a dial-up connection using PPPoE. For the service provider, PPPoE offers an access and authentication method that works with existing access control systems (for example Radius). One of the benefits of PPPoE is the ability to let you access one of multiple network services, a function known as dynamic service selection. This enables the service provider to easily create and offer new IP services for individuals. Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as it requires no specific configuration of the broadband modem at the customer site. By implementing PPPoE directly on the NBG6616 (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the NBG6616 does that part of the task. Furthermore, with NAT, all of the LANs' computers will have access. NBG6616 User's Guide 79