# Configuration example for the router advertisement daemon radvd 
# for address assignment via DHCPv6:
#  - M-flag: AdvManagedFlag = on (address configuration via DHCPv6)
#  - O-flag: AdvOtherConfigFlag = on (obtaining a DNS server list 
#            and a domain name from a Stateless DHCPv6 server, but
#            not addressing information. 
#  - A-flag: AdvAutonomous = off (address configuration via DHCPv6)

interface eth1
{
  # A  flag  indicating  whether or not the router sends periodic 
  # router advertisements and responds to router solicitations.
  # This option no longer has to be specified first, but it needs
  # to be on to enable advertisement on this interface.
  AdvSendAdvert on;

  # The  maximum  time  allowed between sending unsolicited multi-
  # cast router advertisements from the interface, in seconds.
  # Must be no less than 4 seconds and no greater than 1800 seconds.
  # Minimum when using Mobile IPv6 extensions: 0.07.
  # For values less than 0.2 seconds, 0.02 seconds is added to 
  # account for scheduling granularities as specified in RFC3775.
  MaxRtrAdvInterval 600;

  # The minimum time allowed between sending unsolicited multicast
  # router advertisements from the interface, in seconds.
  # Must be no less than 3 seconds and no greater than 
  # 0.75 * MaxRtrAdvInterval.
  # Minimum when using Mobile IPv6 extensions: 0.03.
  MinRtrAdvInterval 200;

  # The preference associated with the default router, as either 
  # "low", "medium", or "high".
  AdvDefaultPreference medium;

  # Mobile IPv6 support, when set, indicates that sending router is 
  # able to serve as Mobile IPv6 Home Agent.
  # When set, minimum limits specified by Mobile IPv6 are used for 
  # MinRtrAdvInterval and MaxRtrAdvInterval.
  AdvHomeAgentFlag off;

  # When set, hosts use the administered (stateful) protocol for 
  # address  autoconfiguration in  addition to any addresses 
  # autoconfigured using stateless address autoconfiguration.
  # The use of this flag is described in RFC 4862.
  # M-flag - if it is set to 1, this informs hosts that they can 
  # obtain a global address as well as DNS and a domain name from
  # a Stateful DHCPv6 server. Typically this means that auto-
  # addressing using SLAAC is not allowed on this segment and both
  # the A-flag and the O-flag are set to 0.
  AdvManagedFlag on;

  # When set, hosts use the administered (stateful) protocol for 
  # autoconfiguration of other (non-address) information.
  # The use of this flag is described in RFC 4862
  # O-flag - if it is set to on, this informs hosts that they can
  # obtain a DNS server list and a domain name from a Stateless 
  # DHCPv6 server, but not addressing information. Typically it 
  # works in conjunction with SLAAC for auto-addressing and both
  # the A-flag and the O-flag are set to on.
  #
  AdvOtherConfigFlag on;

  # The time, in milliseconds, that a node assumes a neighbor is 
  # reachable after having received a reachability confirmation.
  # Used by the Neighbor Unreachability Detection algorithm (see
  # Section 7.3 of RFC 4861).
  # A value of zero means unspecified (by this router).
  # Must be no greater than 3,600,000 milliseconds (1 hour).
  AdvReachableTime 0;

  # The time,in milliseconds, between retransmitted Neighbor Soli-
  # citation messages. Used by address resolution and the Neighbor
  # Unreachability Detection algorithm (see Sections 7.2 and 7.3 
  # of RFC 4861).  A value of zero means unspecified (by this router).
  AdvRetransTimer 0;

  # The default value that should be placed in the Hop Count field of
  # the IP header for outgoing (unicast) IP packets. The value should
  # be set to the current diameter of the Internet.
  # The value zero means unspecified (by this router).
  AdvCurHopLimit 64;

  # The lifetime associated with the default router in units of seconds.
  # The maximum value corresponds to 18.2 hours. A lifetime of 0 indi-
  # cates that the router is not a default router and should not appear
  # on the default router list. The router lifetime applies only to the
  # router's usefulness as a default router; it does not apply to in-
  # formation contained in other message fields or options. Options that
  # need time limits for their information include their own lifetime 
  # fields.
  # Must be either zero or between MaxRtrAdvInterval and 9000 seconds.
  # Default: 3 * MaxRtrAdvInterval (Minimum 1 second).
  AdvDefaultLifetime 1800;

  # When set, the link-layer address of the outgoing interface is 
  # included in the RA.
  AdvSourceLLAddress on;

  # global-scope adress prefix
  prefix 2001:a:bcd:1234::/64
  {
    # When set, indicates that this prefix can be used for on-link 
    # determination. When not set the advertisement makes no statement
    # about on-link or off-link properties of the prefix. For instance,
    # the prefix might be used for address configuration with some of
    # the addresses belonging to the prefix being on-link and others 
    # being off-link.
    AdvOnLink on;

    # When set, indicates that this prefix can be used for autonomous 
    # address configuration as specified in RFC 4862.
    # A-flag - if it is set to on, this informs hosts that they can 
    # auto-generate GUA address using SLAAC. If it is set to off means
    # that auto-configuration is not allowed for this segment.
    AdvAutonomous off;

    # When set, indicates that the address of interface is sent instead
    # of network prefix, as is required by Mobile IPv6. When set, 
    # minimum limits specified by Mobile IPv6 are used for
    # MinRtrAdvInterval and MaxRtrAdvInterval.
    AdvRouterAddr off;

    # The length of time in seconds (relative to the time the packet is 
    # sent) that the prefix is valid for the purpose of on-link de-
    # termination. The symbolic value infinity represents infinity 
    # (i.e. a value of all one bits (0xffffffff)). The valid lifetime
    # is also used by RFC 4862.
    #
    # Note that clients will ignore AdvValidLifetime of an existing
    # prefix if the lifetime is below two hours, as required in RFC
    # 4862 Section 5.5.3 point e).
    # Note: RFC4861's suggested default value is significantly longer:
    # 30 days.
    AdvValidLifetime 5400;

    # The length of time in seconds (relative to the time the packet
    # is sent) that addresses generated from the prefix via stateless
    # address autoconfiguration remain preferred. The symbolic value
    # infinity represents infinity (i.e. a value of all one bits
    # (0xffffffff)).  See RFC 4862.
    #
    # Note: RFC4861's suggested default value is significantly longer:
    # 7 days.
    AdvPreferredLifetime 2700;
    };

  # route for global-scope address prefix
  route 2001:a:bcd:1234::/64
  {
    # The preference associated with the default router, as either 
    # "low", "medium", or "high".
    AdvRoutePreference medium;

    # The lifetime associated with the route in units of seconds. The
    # symbolic value infinity represents infinity (i.e. a value of
    # all one bits (0xffffffff)).
    #
    # Default: 3 * MaxRtrAdvInterval
    AdvRouteLifetime 1800;
  };

  # unique local prefix
  prefix fdb6:cb48:9d77:0::/64
  {
    # When set, indicates that this prefix can be used for on-link 
    # determination. When not set the advertisement makes no statement
    # about on-link or off-link properties of the prefix. For instance,
    # the prefix might be used for address configuration with some of
    # the addresses belonging to the prefix being on-link and others 
    # being off-link.
    AdvOnLink on;  

    # When set, indicates that this prefix can be used for autonomous 
    # address configuration as specified in RFC 4862.
    # A-flag - if it is set to on, this informs hosts that they can 
    # auto-generate GUA address using SLAAC. If it is set to off means
    # that auto-configuration is not allowed for this segment.
    AdvAutonomous off;

    # When set, indicates that the address of interface is sent instead
    # of network prefix, as is required by Mobile IPv6. When set, 
    # minimum limits specified by Mobile IPv6 are used for
    # MinRtrAdvInterval and MaxRtrAdvInterval.
    AdvRouterAddr off;

    # The length of time in seconds (relative to the time the packet is 
    # sent) that the prefix is valid for the purpose of on-link de-
    # termination. The symbolic value infinity represents infinity 
    # (i.e. a value of all one bits (0xffffffff)). The valid lifetime
    # is also used by RFC 4862.
    #
    # Note that clients will ignore AdvValidLifetime of an existing
    # prefix if the lifetime is below two hours, as required in RFC
    # 4862 Section 5.5.3 point e).
    # Note: RFC4861's suggested default value is significantly longer:
    # 30 days.
    AdvValidLifetime 5400;

    # The length of time in seconds (relative to the time the packet
    # is sent) that addresses generated from the prefix via stateless
    # address autoconfiguration remain preferred. The symbolic value
    # infinity represents infinity (i.e. a value of all one bits
    # (0xffffffff)).  See RFC 4862.
    #
    # Note: RFC4861's suggested default value is significantly longer:
    # 7 days.
    AdvPreferredLifetime 2700;
    };             

  # 
  route fdb6:cb48:9d77:0::/64
  {
    # The preference associated with the default router, as either 
    # "low", "medium", or "high".
    AdvRoutePreference medium;

    # The lifetime associated with the route in units of seconds. The
    # symbolic value infinity represents infinity (i.e. a value of
    # all one bits (0xffffffff)).
    #                 
    # Default: 3 * MaxRtrAdvInterval
    AdvRouteLifetime 1800;
  };
                                                                                                                                              
};