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Junior Member
Join Date: Apr 2012
Posts: 12
#1 (permalink)  
Old 01-09-2013, 07:48 AM
Default Cannot get a dhcp address from my isp

I cannot seem to pull a DCHP IP address from my ISP, it works fine if i use my dlink router but UTM9 cannot seem to get an IP.

I am also having difficulty determining which NIC is internal and which NIC is external.

Have tried ethtool -p eth0 but being a virtio interface this does not work

PLEASE help how do i determine which NIC is which
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Wizard
Join Date: Oct 2011
Location: Tirana ALBANIA
Posts: 606
#2 (permalink)  
Old 01-09-2013, 08:10 AM
Default

if you unplug the cable away from NIC1 or NIC2, in webadmin dashboard you see the correspondent eth goes down
In WAN interface you can see what hardware use it (eth0 or eth1)
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Olsi
Sophos Certified Engineer UTM 9
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Wizard
Join Date: Oct 2011
Location: Tirana ALBANIA
Posts: 606
#3 (permalink)  
Old 01-09-2013, 08:23 AM
Default

see the atachments
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Olsi
Sophos Certified Engineer UTM 9
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Junior Member
Join Date: Apr 2012
Posts: 12
#4 (permalink)  
Old 01-10-2013, 06:09 AM
Default

Thank you for your prompt reply, but i already thought of trying to unplug the cables, and should have included that information in my post however, it was the end of a long day and I must have been tired.

NOTE I am not at the actual site where the broken machine is right now, but can test on an almost identical setup here in my office. However there is on major difference the machine in my office work perfectly other than the when i unplug a cable UTM9 is still reporting Up and Up

Anyways this is a copy/paste (sorry could not get screen capture working) of my dashboard with both cables unplugged. Note the Up Up for Ethernet and Cable Modem these represent the State and Link fields respectively. They always display as Up Up no matter how log i leave the cables unplugged, think the default refresh on the dashboard is 5 seconds.

# This is WAN in UTM9 think it has to do with what you pick for adminitratino interface? backwards but it works probably doesnt matter might figure it out one day
iface eth0 inet manual

# This is LAN in UTM9 same as above a bit confusing, but it works
iface eth1 inet manual

th0
Internal
Ethernet Up Up
616.0 kbit
667.0 kbit
eth1
External (WAN)
Cable Modem Up Up
65.1 kbit
555.5 kbi

Bit of a complicated setup as i am running this as a KVM machine and have tried with e2000 and virtio interfaces. These Interfaces are bridged in my /etc/network/interfaces like below, and i am having considerable difficulty deciding which port to plug the INET into

auto vmbr0
iface vmbr0 inet static
address 10.22.20.200
netmask 255.255.255.0
gateway 10.22.20.254
bridge_ports eth0
bridge_stp off

bridge_stp off
bridge_fd 0

auto vmbr1
iface vmbr1 inet manual
bridge_ports eth1
bridge_stp off
bridge_fd 0
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