Managing networking
Network connections
List network connections
Open the
nas-tui
utility from the command lineUnder the
System
section, select theNetworking
optionUnder the
Network: Configuration
menu, selectShow connections
Modify network connections
This page will let you change the IP address and other common network settings for a selected network interface. Changing IPv6 settings via the nas-tui
utility is not currently supported.
Service interruption
Making any change to the network interface will result in the network interface being restarted. This will cause a service interruption for any users connected via this interface.
Open the
nas-tui
utility from the command lineUnder the
System
section, select theNetworking
optionUnder the
Network: Configuration
menu, selectModify connection
Select an interface from the list on the left. Once selected, its current configuration will be populated in the fields on the right.
Modify the fields you require. Setting the IPv4 mode to ‘Auto’ will result in the interface trying to get an IPv4 address via DHCP.
Click the
Save
buttonThe network interface will be restarted
Troubleshooting
Connectivity issues
You can troubleshoot connectivity issues with the ping
utility to establish if two systems can communicate over the network:
Open the
nas-tui
utility from the command lineUnder the
System
section, select theNetworking
optionUnder the
Network: Troubleshooting
menu, selectPing
Enter the IP address or fully qualified domain name of the system you want to ping
Select the
Ping
option
DNS issues
You can troubleshoot DNS issues with the DNS lookup
utility to establish if a specified hostname can be resolved by your chosen DNS server:
Open the
nas-tui
utility from the command lineUnder the
System
section, select theNetworking
optionUnder the
Network: Troubleshooting
menu, selectDNS lookup
Enter the fully qualified domain name of the system you want to lookup
Select the
Lookup
option
Network bandwidth issues
Having a stable network connection with suitable bandwidth is critical to the stability and performance of the NAS system. You can test the available bandwidth between the NAS and another system with the iperf3 tool. Follow the instructions below to start the iperf3 server on the node:
Open the
nas-tui
utility from the command lineUnder the
System
section, select theNetworking
optionUnder the
Network: Troubleshooting
menu, selectiPerf3
Select the
Start server
optionOn your other system, start a bandwidth test with the NAS. The command varies between different operating systems, however, it should look similar to the command below:
CODE# Test bandwidth from client to NAS iperf3.exe -c [ip-address-of-the-nas] # Test bandwidth from NAS to client iperf3.exe -c [ip-address-of-the-nas] -R
When you have finished testing the system, click the
Stop server and show results
optionThe results of the bandwidth test will be displayed