Below is a rough sketch on my network. VLANs have been set on and by the ISP on their side. VLAN1 is for data. Which means PCs on the left should communicate with those on the right and vice.
From the right I can only ping upto the Sophos which is 10.10.1.1(via static routes). Beyond that, I cannot ping. I hope to get the left side to get DHCP ip addresses from the left side.
I think we are getting somewhere.
Remember, the first issue was I couldn't ping internal resources behind the Sophos XG? Well, the solution was this:
Under Hosts and Services->, I created…
Thank you for contacting the Sophos Community!
Please check this KB to give you an idea.
Is the XG or the Cisco device handing the DHCP?
It's the Sophos XG that is giving DHCP.