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Document -r flag
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@@ -36,6 +36,9 @@ dhclient - Dynamic Host Configuration Protocol Client
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[
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.B -c
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]
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.B -r
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]
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[
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[
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.B -lf
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.I lease-file
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@@ -174,6 +177,13 @@ facility. The
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flag prevents any messages other than errors from being printed to the
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standard error descriptor.
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.PP
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The client normally doesn't release the current lease as it is not
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required by the DHCP protocol. Some cable ISPs require their clients
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to notify the server if they wish to release an assigned IP address.
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The
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.B -r
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flag explicitly releases the current lease.
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.PP
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The DHCP client normally gets its configuration information from
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.B ETCDIR/dhclient.conf,
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its lease database from
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