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9.2. Lost/Forgotten IP Address
The Multi-Stack Controller is resolvable using mDNS via a compatible computer. Refer to
5.1.1
for details.
Depending on the network interface used on the PC, this process may not work due
to differing security and IP configurations. If the only IP discovered is the IP of the
PC, the network interface is not suitable and another one will need to be used. This
issue is most common with USB to Ethernet dongles.
9.2.1. Wireshark (Windows/Linux)
1. Download/install Wireshark on a PC (https://www.wireshark.org/)
2. Connect the PC directly to the Ethernet port on the Multi-Stack Controller
3. Start a Wireshark capture on the network interface connected to the Multi-Stack Controller
4. In the 'filter' field, enter in arp.isgratuitous and press enter
5. Either reboot the Multi-Stack Controller, or unplug/plug the Ethernet cable
6. The device should send a 'Gratuitous ARP' on the Ethernet network. In Wireshark the 'Info' field
looks like: Gratuitous ARP for <IP> (Request) where the <IP> is the address for the Multi-Stack
Controller
7. Once that is complete, update the PC network settings to match the Multi-Stack Controller and
connect the Operator Interface.
9.2.2. Netdiscover (Linux only)
1. Install netdiscover on a PC (on Debian based systems use: sudo apt install netdiscover)
2. Connect the PC directly to the Ethernet port on the Multi-Stack Controller
3. Run sudo netdiscover -i <interface> -p where <interface> is the network interface connected to the
Multi-Stack Controller
4. Either reboot the Multi-Stack Controller, or unplug/plug the Ethernet cable
5. The device address and MAC will show up in netdiscover once an ARP packet is sent
6. Once that is complete, update the PC network settings to match the Multi-Stack Controller and
connect the Operator Interface.
In the event the IP address cannot be discovered, a factory reset operation must
be carried out to restore the BMS to its default IP configuration.
Document ID: NE-PM-004
Nuvation Energy Multi-Stack Controller - Product Manual
63
Section
Rev 2.0, 2022-05-18
Curie Update 3
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