Region : UnitedKingdom

Model : TL-SG1016DE

Hardware Version : V1

Firmware Version : v1

ISP :

I have just bought the TL-SG105E V1 so that I could use 802.1q on a single port. Unfortunately I am finding that while my DHCP server recieves the dhcp request, the other clients never receive the offer, something in the switch is blocking it.

The configuration is:
* VLAN100 - Untagged Port 1, Tagged Port 2
* VLAN101 - Untagged Ports 3-5, Tagged Port 2
* PVID: Port 1 100, Port 2-5 101

Whatever i try, I can't get the switch to pass the DHCP traffic - even though the switch itself will even pick up the DHCP lease and use it if I ask it to.

I have the DHCP running on a tagged interface, but in my debugging i've untagged and run on Port 4/5 - the DHCPOFFER is never received, if I change nothing about the server configuration and plug into a dumb switch instead the DHCP traffic is passed.

Anyone got any ideas, its driving me crazy!