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UTM 9.502-4 : Unable to route to Internet from LAN port but able to from (3rd NIC) i.e. Management

Hi, sorry, newbie question alert.

 

Set-up

UTM 9.502-4 running on "small" PC brick with 3 NICs (Eth0 is hardwired, Eth1 and 2 are USB <> Ethernet dongles)

Eth0 (Management NIC) has 192.168.10.250

Eth1 (ISP interface)

Eth2 (LAN interface) has 192.168.10.1

4 x "Out of the box" Firewall entries as defined by installation wizard

MASQ set to "LAN (Network) ==> ISP" (i.e. Eth2 ==> Eth1)

DHCP set against LAN interface (Range 192.168.10.3 to .50)

 

Test1

ISP connected to Eth1

Laptop (static IP) connected to LAN interface on Eth2

Result : Not able to connect to Internet

 

Test2

ISP connected to Eth1

Laptop (static IP) connected to Management interface on Eth0

Result : SUCCESS.  Able to connect to Internet

 

Test3

ISP connected to Eth1

Laptop (static IP) connected to LAN interface (Eth2, DHCP removed from interface)

Result : Not able to connect to Internet

 

There (clearly) seems to be an "issue" with my config.  When the Laptop is directly connected to the LAN interface (Eth2) it's UNABLE to route to the Internet however when connected to the Management NIC (Eth0) instead it finds its way out.

If I replace my Laptop with an R7000 (in AP mode using both hardcoded and dynamic IPs) to the LAN interface (Eth2) I get the same results as when my Laptop is connected -- obvious, but I checked.

 

Any thoughts/words of wisdom would be very much appreciated as I just can't see what is "not" allowing the routing of traffic to the ISP interface (Eth1) when I connect to the LAN interface (Eth2).

- Steve



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Parents
  • Update

    Is there any "implied" significance as to which interface(s) are associated with Eth0 /1 / 2?

    For example, does the ISP "have" to be associated with Eth0?

    - Steve

    - Regards, Steve
    PrivatePICO-PC, Intel J1900 Quad Core, 2.42GHz, 4GB RAM, 240GB SSD, 4 x 1GB INTEL Ethernet, UTM 9.510-5 Home License

Reply
  • Update

    Is there any "implied" significance as to which interface(s) are associated with Eth0 /1 / 2?

    For example, does the ISP "have" to be associated with Eth0?

    - Steve

    - Regards, Steve
    PrivatePICO-PC, Intel J1900 Quad Core, 2.42GHz, 4GB RAM, 240GB SSD, 4 x 1GB INTEL Ethernet, UTM 9.510-5 Home License

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