Re: DHCP client ID not sent

[Neal Becker <ndbecker2 gmail com>]

Dan Williams wrote:

> On Fri, 2010-02-12 at 15:14 -0500, Nathaniel McCallum wrote:
>> On 02/12/2010 03:05 PM, Dan Williams wrote:
>> > On Wed, 2010-02-10 at 14:44 -0500, Nathaniel McCallum wrote:
>> >> In the connection editor, under IPv4 Settings I can specify a "DCHP
>> >> client ID."  I assumed that this ID would be sent to the DHCP server.
>> >> Except it isn't.  Is this a bug or a feature?
>> >>
>> >> NetworkManager-0.7.997-2.git20091214.fc12.x86_64
>> >
>> > What you get in /var/run/nm-dhclient-ethX.conf during the DHCP request?
>> > That's where whatever is in the dhclient field should end up.
>> 
>> It's there:
>> send dhcp-client-identifier "myDHCPId"; # added by NetworkManager
>> 
>> The dhcp server is dnsmasq, and sets up dns entries for the dhcp client
>> id.  It works for all my windows and mac systems.  But none of my Linux
>> systems work (all NM).  My router (which runs dnsmasq) also shows a list
>> of dhcp clients and their ids.  Again, win/mac work but NM doesn't.
>> 
>> What else should I check?
> 
> Wireshark, to ensure that the client ID gets sent out on the wire.  If
> it's in the config file, then that's where NM's sphere of influence
> stops (besides ensuring that NM gives the client the right config file,
> but that's easy enough to check for in /var/log/messages since NM prints
> out the command-line it's running dhclient with).
> 
> Next, wireshark on the server to ensure that the DHCP request comes
> through correctly with the client ID.  If it does, then dnsmasq is doing
> something badly...
> 
> Dan
Did you want DHCP_CLIENT_ID, or maybe you wanted
DHCP_HOSTNAME?  The latter is what I need (and nm doesn't seem to support)