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import of dnsmasq-2.25.tar.gz

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Simon Kelley
2006-01-14 20:33:46 +00:00
parent b8187c80a8
commit e17fb629a2
19 changed files with 2171 additions and 354 deletions
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13
FAQ
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@@ -357,6 +357,19 @@ A: Probably the nameserver is an authoritative nameserver for a
may work for sometime with a broken upstream nameserver
configuration.
Q: Does the dnsmasq DHCP server probe addresses before allocating
them, as recommended in RFC2131?
A: Yes, dynmaically allocated IP addresses are checked by sending an
ICMP echo request (ping). If a reply is received, then dnsmasq
assumes that the address is in use, and attempts to allocate an
different address. The wait for a reply is between two and three
seconds. Because the DHCP server is not re-entrant, it cannot serve
other DHCP requests during this time. To avoid dropping requests,
the address probe may be skipped when dnsmasq is under heavy load.