linux - Is it possible to collect .local domain ip addresses hierarchically for building dhcp based dns? -

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suppose in normal dhcp environment,

you'll ip address like:

  • 192.168.0.101 linuxpc1.localdomain on segment a
  • 192.168.1.102 linuxpc2.localdomain on segment b

i want them installing avahi on linuxpcs hostname set.

so on 192.168.2.103 linuxpc3.localdomain, running

ping linuxpc1.local

would work.

what easiest way realizing not affecting dhcp server settings?

or if difficult, @ least want know ip address name running script linuxpc3.localdomain host.

getipbyname-avahi.py linuxpc1.local -> returns 192.168.0.101

i don't want setup nis or ldap or sql ... thought reusing avahi capability of resolving dhcped ip address start.

why don't enable dns updates in dhcp ?

something like

ddns-updates                on; ddns-update-style           interim; ddns-domainname             "network.athome."; ddns-rev-domainname         "in-addr.arpa.";

in dhcpd.conf (i'm assuming use isc's) , update dns.

if can't change dhcp configuration can use nsupdate in client script hook.


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