How to find hostname
Jason Hellenthal
jhellenthal at dataix.net
Thu Sep 18 00:03:41 UTC 2014
The MAC address of the hosts adapter... Take look at the last line of your log file and compare the two.
--
Jason Hellenthal
Mobile: +1 (616) 953-0176
jhellenthal at DataIX.net
JJH48-ARIN
> On Sep 17, 2014, at 18:59, Bill Shirley <Bill at Henagar.PolymerIndustries.biz> wrote:
>
> I'm having trouble figuring out where this device gets its name. My log statement:
> on commit {
> if static { set is-static = " --> STATIC"; } else { set is-static = "";}
> log ( info,
> concat (
> "Host:", pick-first-value(option fqdn.hostname, option host-name, ddns-hostname, "(none)")
> ," VendorId:", pick-first-value(option vendor-class-identifier, "(none)")
> # ," UserClass:", pick-first-value(option user-class, "(none)")
> ," MemberOf:", pick-first-value(member_of, "(none)")
> ," PoolType:", pick-first-value(pool-type, "(none)")
> ," Lease:", pick-first-value(binary-to-ascii(10,32,"",encode-int(lease-time,32)), "(none)")
> , is-static
> )
> );
> }
>
> And from my log file you can see a 'Host:(none)':
> Sep 17 18:41:22 apinetstore dhcpd: fancy bits in fqdn option
> Sep 17 18:41:22 apinetstore dhcpd: DHCPDISCOVER from 00:20:4a:f3:c5:a7 (CF3C5A7) via lan10
> Sep 17 18:41:23 apinetstore dhcpd: DHCPOFFER on 10.98.1.72 to 00:20:4a:f3:c5:a7 via lan10
> Sep 17 18:41:23 apinetstore dhcpd: fancy bits in fqdn option
> Sep 17 18:41:23 apinetstore dhcpd: Host:(none) VendorId:(none) MemberOf:10.Microsoft PoolType:10.Microsoft Lease:21600
> Sep 17 18:41:23 apinetstore dhcpd: DHCPREQUEST for 10.98.1.72 (10.96.0.9) from 00:20:4a:f3:c5:a7 via lan10
> Sep 17 18:41:23 apinetstore dhcpd: DHCPACK on 10.98.1.72 to 00:20:4a:f3:c5:a7 via lan10
>
> Where does the host name CF3C5A7 come from?
>
> TIA,
> Bill
>
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> dhcp-users at lists.isc.org
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