Hi,
I have the following configuration in UTM9 behind an ISP modem. ISP modem LAN IP address is 172.16.5.1
Sophos UTM WAN Interface
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(Assigned by DHCP from ISP Modem)
IP: 172.16.5.60
Subnet Mask: 255.255.255.0
Gateway: 172.16.5.1
DNS: 8.8.8.8
Sophos UTM LAN Interface
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IP: 192.168.2.100
Subnet Mask: 255.255.255.0
Firewall Rule
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Internal (Network) -> Any -> Any -> Allow
Masquerading
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Internal (Network) -> External (WAN)
-------------------------Problem----------------------------------
From Sophos UTM9 (Support -> Tools -> Ping
From WAN interface ping ISP modem is successfull
From LAN interface ping ISP modem is failing
From LAN computers to ISP modem ping failing, internet not working.
Please support to solve the issue.
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