"option netbios-node-type 2" being ignored by macs

Tim Cantin tcantin at wellesley.edu
Wed Nov 13 14:55:19 UTC 2013


btw we've downloaded the latest isc dhcpd code, and will upgrade our 
server asap
(was there a bug fix between 3.0.5 and 4.2.5 covering this, maybe?)

On 11/13/2013 9:39 AM, Tim Cantin wrote:
> Hi folks,
>
> We're running Internet Systems Consortium DHCP Server V3.0.5-RedHat. 
> We're having a widespread issue of many of our macs broadcasting 
> netbios name server lookups, ignoring our global setting (option 
> netbios-node-type 2). Student macs appear to be OK, and a vanilla mac 
> as well... but once it has our image on it, this happens. Short of 
> running around pummelling those macs into submission with manual fixes 
> (because we don't remotely manage them... that's another problem, but 
> let's not go there right now) - which is to disable netbiosd, has 
> anyone ever dealt with this before and if so is there anything you 
> know of that can be done to alleviate the problem? We're about to go 
> chop nbns off at the knees on our NAC server if we can, but if these 
> macs were behaving in the first place it would be a cleaner solution. 
> Is it possible there's a compatibility issue between ISC dhcpd and 
> Apple's dhcp client such that they ignore the netbios-node-type setting?
>
> Thank you
>

-- 
Tim Cantin, Network Engineer, Systems and Networks Support
Wellesley College, Library and Technology Services
Clapp Library, Knapp Center, Suite 105
106 Central Street Wellesley, MA 02481-8203
(781)283-3520



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