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diff --git a/docs/interfaces/ethernet.rst b/docs/interfaces/ethernet.rst index 0633ad2c..95aef851 100644 --- a/docs/interfaces/ethernet.rst +++ b/docs/interfaces/ethernet.rst @@ -95,6 +95,44 @@ Link Administration Configure :abbr:`MTU (Maximum Transmission Unit)` on given `<interface>`. It is the size (in bytes) of the largest ethernet frame sent on this link. +Prefix Delegation (DHCPv6-PD) +----------------------------- + +VyOS 1.3 (equuleus) supports DHCPv6-PD. DHCPv6 Prefix Delegation is supported +by most ISPs who provide native IPv6 for consumers on fixed networks. + +.. cfgcmd:: set interfaces ethernet <interface> dhcpv6-option pd <id> length <length> + + Some ISPs by default only delegate a /64 prefix. To request for a specific + prefix size use this option to request for a bigger delegation for this pd + `<id>`. This value + is in the range from 32 - 64 so you could request up to /32 down to a /64 + delegation. + + Default value is 64. + +.. cfgcmd:: set interfaces ethernet <interface> dhcpv6-option pd <id> interface <delegatee> address <address> + + Specify the interface address used locally on the interfcae where the prefix + has been delegated to. ID must be a decimal integer. + + It will be combined with the delegated prefix and the sla-id to form a complete + interface address. The default is to use the EUI-64 address of the interface. + + Example: + + Using ``<id>`` value 65535 will assign IPv6 address ``<prefix>::ffff`` to the + interface. + +.. cfgcmd:: set interfaces ethernet <interface> dhcpv6-option pd <id> interface <delegatee> sla-id <id> + + Specify the identifier value of the site-level aggregator (SLA) on the + interface. ID must be a decimal number greater then 0 which fits in the length + of SLA IDs (see below). For example, if ID is 1 and the client is delegated + an IPv6 prefix 2001:db8:ffff::/48, dhcp6c will combine the two values into a + single IPv6 prefix, 2001:db8:ffff:1::/64, and will configure the prefix on + the specified interface. + Operation ========= |