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Today's Topics:
1. DHCPv6 and 'on commit' (Espen Tallaksen)
----------------------------------------------------------------------
Message: 1
Date: Fri, 26 Sep 2014 13:50:20 +0200
From: Espen Tallaksen <[email protected]>
To: Users of ISC DHCP <[email protected]>
Subject: DHCPv6 and 'on commit'
Message-ID:
<cach2pfhyo8fklrbajntt0gqu0yqb1t5nycfwupv5nohtjhw...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi
Regarding DHCPv6 i would like to do different things inside 'on commit'
event braces based on what the server actually is commiting (Non-temporary
Address or Prefix-delegation).
Does anybody know if there's a way to know if an 'on commit' event happened
because of committing an IA-NA or IA-PD?
This is what i try:
on commit {
if option dhcp6.ia-na = option dhcp6.ia-na{
set iana = binary-to-ascii(16,16,":",substring(suffix(option
dhcp6.ia-na,24),0,16));
}
if option dhcp6.ia-pd = option dhcp6.ia-pd{
set iapd = binary-to-ascii(16,16,":", suffix(option
dhcp6.ia-pd,16));
set pdsize = binary-to-ascii(10,8,":",substring(suffix(option
dhcp6.ia-pd,17),0,1));
set pdnet = concat(iapd, "/", pdsize);
}
set cm = v6relay(1, (binary-to-ascii(16, 8, ":", option
docsis.cm-mac-address)));
set ifname = v6relay(1, option dhcp6.interface-id);
set lla = (binary-to-ascii(16, 8, ":", suffix(option dhcp6.client-id, 6)));
if option dhcp6.ia-na = option dhcp6.ia-na{
execute("something", ARG-LIST...);
}
}
if option dhcp6.ia-pd = option dhcp6.ia-pd{
execute("something", ARG-LIST...);
}
}
}
My problem is that if clients happens to request for both IA Address and IA
Prefix inside the same dhcpv6 request (which i find quite usual), both
execute statements will be executed for both commit events (commit for
IA-NA, and commit for IA-PD). Result is that execute statements are
blocking the daemon more than nescesary.
Any thoughts?
Best Regards
Espen Tallaksen
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