DHCP Issue with Static Mappings

Question

I have a question regarding DHCP and static mappings. 
 If have a static address for my DHCP on lets say eth1 which is a wireless network and I do not have a static on eth2 which is a separate wireless guest network. 
 Will sophos not allow the laptop to connect to eth2 because the MAC address is associated with eth1? Furthermore, is the static mappings tied to both MAC address and hostname? 
 I'm asking because my wireless will not connect to the guest network unless I remove the static mapping on the primary wireless network eth1.

B.R.O. · Accepted Answer

I had problems with wifi last week, still not sure about it but some clients started getting a ip address after this tip from one of the XG experts posted on my thread... 
 
 I was trying to get some clients get a ip from a dhcp server that the xg know nothing about... 
 
 XG will assign and keep the mac address only to the same dhcp scope it released the IP the first time. 
 To change this behaviour, change the dhcp option from console: 
 system dhcp static-entry-scope global 
 and see if now devices are able to get the proper IP.

lferrara · Answer

Just for information: 
 the resolution of this thread is here: 
 https://community.sophos.com/products/xg-firewall/f/network-and-routing/87516/port-4-wireless-with-dhcp 
 Regards

BobbyDigital · Answer

B.R.O. said: 
 I had problems with wifi last week, still not sure about it but some clients started getting a ip address after this tip from one of the XG experts posted on my thread... 
 
 I was trying to get some clients get a ip from a dhcp server that the xg know nothing about... 
 
 XG will assign and keep the mac address only to the same dhcp scope it released the IP the first time. 
 To change this behaviour, change the dhcp option from console: 
 system dhcp static-entry-scope global 
 and see if now devices are able to get the proper IP.

Many Thanks. This resolved my issue.