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35 .Nd DHCPv6 relay agent
43 .Op Fl s Ar serveraddr
44 .Op Fl S Ar script-file
50 acts as an intermediary to deliver DHCPv6 messages between clients and
51 servers, and is on the same link as a client.
54 needs command line arguments
56 which specifies the list of links accommodating clients.
63 Print debugging messages.
65 Even more debugging information is printed.
67 Foreground mode (useful when debugging).
70 usually prints warning, debugging, or error messages to
72 it prints the messages to standard error if this option is
75 Specifies the source address to relay packets to servers (or other
78 Specifies the hop limit of DHCPv6 Solicit messages forwarded to
81 Specifies the interface on which messages to servers are sent.
82 When omitted, the same interface as
87 are specified, this option cannot be omitted.
88 .It Fl s Ar serveraddr
89 Specifies the DHCPv6 server address to relay packets to.
90 If not specified, packets are relayed to ff05::1:3 (All DHCPv6 servers).
91 .It Fl S Ar script-file
92 Specifies the script file to be executed when
94 receives a RELAY-REPLY message from a DHCPv6 server. Further detail of the
95 script file syntax is available in
100 to dump the process ID of
105 .Bl -tag -width /var/run/dhcp6relay.pid -compact
106 .It Pa /var/run/dhcp6relay.pid
107 is the default file that contains pid of the currently running
115 .%A Ralph Droms, Editor
117 .%T Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
124 command first appeared in WIDE/KAME IPv6 protocol stack kit.