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DHCP service offering DHCP packets on other interface...

sratson

I have a network setup with the main LAN on interface eth2 with a DHCP server on the network, and a separate wireless LAN on eth3 with the UTM offering DHCP for that interface. The only thing attached to that IF is a Wireless AP (Not sophos). For some reason, the UTM is offering DHCP addresses on the eth2 IF conflicting with the main LAN DHCP server. This causes issues since the traffic in the WLAN subnet is not allowed to talk to the LAN subnet in the firewall rules, which is working, but people that should be on LAN are not getting LAN IPs all the time.

Any ideas? Thanks.



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  • 0 in reply to sratson

    Is the wifi access point "requesting" the "wrong" ip-address for the guest connected to it?

    If this is the case I think you should configure your guest wifi as a VLAN and make sure this VLAN is also configured on UTM. That way your wireless clients will be logically divided from the DHCP server and shouldn't be able to get an address from this server.

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