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Today's Topics:
1. Dynamic client host-name (Option 12) (Dave M)
----------------------------------------------------------------------
Message: 1
Date: Fri, 30 Aug 2019 16:06:43 -0400
From: Dave M <2wheels...@gmail.com>
To: dhcp-users@lists.isc.org
Subject: Dynamic client host-name (Option 12)
Message-ID:
<CACx_ihGMNesfAXhnLBjpegM88h-5A_qtdxQ1iqJQ+RApH1n_=q...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
I have clients (eMTA) who request a hostname parameter. It is easy to
create static entries and provide clients with an hostname back but I can't
manage to do it dynamically.
I have the rest of my configuration working fine except that one line:
subnet 172.16.52.0 netmask 255.255.254.0
{
allow leasequery;
option routers 172.16.53.254;
option broadcast-address 172.16.53.255;
option domain-name-servers 172.16.64.15 ;
ddns-hostname = concat("mta-", hw_mac_short);
ddns-domainname "emta.lab.com.";
host-name = concat("mta-", hw_mac_short); -----> not
working
option domain-name "emta.lab.com";
filename = concat("config/mta-", hw_mac_short, ".cfg");
pool
{
#pool: MTA 172.16.52.1 172.16.53.253
range 172.16.52.1 172.16.53.253;
allow members of "MTA";
}
}
If I hardcode the host-name, then the DDNS works fine and gets created
based on the mac (variable hw_mac_short) but I can't figure out how to
return option 12 dynamically to clients requesting it.
I'm testing this on ISC DHCP 4.4.1
Is there a trick for that?
Dave M.
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