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Add RFC4039 rapid commit support.

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This commit is contained in:
Simon Kelley
2018-03-23 23:09:53 +00:00
parent 9a7be47614
commit 734d53176f
8 changed files with 49 additions and 8 deletions
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7
man/dnsmasq.8
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@@ -1452,6 +1452,13 @@ allows dnsmasq to rebuild its lease database without each client needing to
reacquire a lease, if the database is lost. For DHCPv6 it sets the
priority in replies to 255 (the maximum) instead of 0 (the minimum).
.TP
.B --dhcp-rapid-commit
Enable DHCPv4 Rapid Commit Option specified in RFC 4039. When enabled, dnsmasq
will respond to a DHCPDISCOVER message including a Rapid Commit
option with a DHCPACK including a Rapid Commit option and fully committed
address and configuration information. Should only be enabled if either the
server is the only server for the subnet, or multiple servers are present and they each commit a binding for all clients.
.TP
.B --dhcp-alternate-port[=<server port>[,<client port>]]
(IPv4 only) Change the ports used for DHCP from the default. If this option is
given alone, without arguments, it changes the ports used for DHCP