[Dnsmasq-discuss] doc issue: dhcp on multiple interfaces

[Harald Dunkel]

On 4/26/18 2:07 PM, Chris Novakovic wrote:
> On 26/04/2018 12:52, Harald Dunkel wrote:
>> So it should be
>>
>>      dhcp-range=tag:em1,10.0.0.10,10.0.0.254,12h
>>      dhcp-range=tag:em2,10.0.1.10,10.0.1.254,12h
>>
>> Or is it
>>
>>      dhcp-range=set:em1,10.0.0.10,10.0.0.254,12h
>>      dhcp-range=set:em2,10.0.1.10,10.0.1.254,12h
> 
> Assuming your intention is to restrict DHCP ranges to particular
> interfaces, you should use "tag:".
> 
>> If I omit the "tag:" and "set:", which one is it?
> 
> That appears to be undefined behaviour, according to the man page. :)
> 

No, its just hidden very well:

 > This system evolved from an earlier, more limited one and for backward
 > compatibility "net:" may be used instead of "tag:" and "set:" may be
 > omitted.

Using either "tag:" or "set:" should be considered mandatory. Sometimes
old, replaced features should be dropped.


Thanx for your help
Harri