dhcpd doesn't acknowledge dhcp requests

Sean McMurray sean at mvtel.com
Thu Jun 11 17:58:10 UTC 2015


Yes. That is tagged vlan 112 on interface em2.
dhtest fails if I include a -v 112 to tell it about vlan 112.
What are the problems with tagged vlans?

On 06/11/2015 04:00 AM, Graham Clinch wrote:
> Hi,
>
>> #tcpdump -vv -i em2.112
>                   ^^^^^^^
> Is that tagged vlan 112 on interface em2? - I'd not spotted that 
> previously.  I've never tried it personally, but my recollection of 
> posts to this list is 'dhcpd and tagged vlans don't mix well'.
>
> Does dhtest fail if run from a different device?  If so, I guess it's 
> really going over the (presumably untagged) loopback interface.
>
> Are you able to present vlan 112 untagged?
>
> Graham



More information about the dhcp-users mailing list