AWUSupport  Freshman Member

Charlie, I will try a reset of the device next week and report back to you. We also have 2 other units so will also test with one of those. Thank you for your assistance and suggestions so far. Cheers, Dale.

Tried a managed Cisco Gigabit switch and exactly the same issue. Surely that means it has to be something back at the ZyWall.

Yes link light is on both at the ZyWall LAN port and teh ZyWall LAN port - this is why we see they are both connected at 1000 HD. Have tried a laptop directly connected and not issue, Gigabit connection and DHCP delivered too. 

Peter, See my answer to Charlie. No issue with Cat 6 cable and same issue with any connected switch I try. There is some auto-negotiation issue going on at the ZyWall I believe. Cheers, Dale.

Charlie, We have a managed HP Procurve Gigabit PoE switch connected to one of the ZyWall LAN ports - short brand new 1 metre Cat 6 cable. Both the ZyWall and HP Switch shows a 1000HD connection. However with both devices on auto negotiate, any thing connected to the HP Gigabit Switch does not get the delivered with DHCP…

Thank you for the details. I have noticed this new list is much more reduced in terms of models as compared to https://www.zyxel.com/solutions/solution_detail_20140402_405106_tab3.inc