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use client id for IPv6 DHCP host definition

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Originally, only a host name was used to associate a
DHCPv6 request with a specific IPv6 address.  Further testing
demonstrates that this is an unreliable method and, instead,
a client-id or DUID needs to be used.  According to DHCPv6
standards, this id can be a duid-LLT, duid-LL, or duid-UUID
even though dnsmasq will accept almost any text string.

Although validity checking of a specified string makes sure it is
hexadecimal notation with bytes separated by colons, there is no
rigorous check to make sure it meets the standard.

Documentation and schemas have been updated.

Signed-off-by: Gene Czarcinski <gene@czarc.net>
Signed-off-by: Laine Stump <laine@laine.org>
This commit is contained in:
Gene Czarcinski
2013-02-15 14:02:26 -05:00
committed by Laine Stump
parent 8e3c1f2ebb
commit 0b73a763f3
14 changed files with 179 additions and 17 deletions
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5
docs/schemas/network.rng
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@@ -280,7 +280,10 @@
<element name="host">
<choice>
<group>
<attribute name="mac"><ref name="uniMacAddr"/></attribute>
<choice>
<attribute name="mac"><ref name="uniMacAddr"/></attribute>
<attribute name="id"><ref name="DUID"/></attribute>
</choice>
<optional>
<attribute name="name"><text/></attribute>
</optional>