Diagnostic Tools
Test network connectivity with simple and easy to use tools
Network diagnostic tools help user and network administrators in scanning, diagnosing and identifying problems within a local network.
It is a type of network management software that helps in finding network connectivity, performance and other related problems.
Some of the ways network diagnostic software can be used include:
- Internet/network connectivity issues such as unplugged wires, misconfigured proxy and more,
- DNS analysis,
- Identify and troubleshoot IP-addressing-related errors,
- Incorrect routes defined for different networks.
Powerful yet simple diagnostic tools in 7G Fuse appliances
The appliance includes built-in network tools that are extremely useful for troubleshooting connectivity issues. Some of them are designed to be used through a graphical user interface (GUI), while the rest can be used through a command line interface (CLI). Few of the network diagnostics tools are ,
Ping
Ping is likely the number one utility that every network administrator will use on a daily basis. It helps us to determine two things: latency and packet loss. Usually, if there is either packet loss or latency (or both) this can indicate bandwidth saturation over a link or even a bad network cable or port on a switch. Regardless, this will almost always be your first go-to utility when you begin your troubleshooting process.
Traceroute
This is probably second in the top three utilities you’ll use on a daily basis. Traceroute is invaluable for telling us what network devices are between one point and another, and gives us some data on what those devices are doing. Traceroute can also help to diagnose routing issues, especially when we have more than one network connection to the outside world.
Nslookup
This is a great utility for two things: locating the IP addresses associated with a domain name and checking to see that DNS (Domain Name System) resolution is working for our host. Nslookup has the ability to not only query our configured DNS server, but also to query any other DNS server we wish. This can help us test remote DNS servers for our clients or even for our own ISP.
Tcpdump
Tcpdump is a command line utility that allows you to capture and analyze network traffic going through your system. It is often used to help troubleshoot network issues, as well as a security tool. A powerful and versatile tool that includes many options and filters, tcpdump can be used in a variety of cases. Since it’s a command line tool, it can be used by logging in to the SSH of a 7G Fuse device, to collect data that can be analyzed later.
Ifstat
The ifstat command prints network interface statistics. The interface keeps records of the previous data displayed in history files. By default, it only displays the difference between the last and current calls.
Iperf3
One great tool for on-the-spot testing of network bandwidth is Iperf. It’s a simple, yet powerful tool that can provide visibility on network performance metrics such as bandwidth, latency (delay), jitter, and packet loss. Iperf measures network performance in terms of bandwidth.
Diagnostic Tools
Test network connectivity with simple and easy to use tools
Network diagnostic tools help user and network administrators in scanning, diagnosing and identifying problems within a local network.
It is a type of network management software that helps in finding network connectivity, performance and other related problems.
Some of the ways network diagnostic software can be used include:
- Internet/network connectivity issues such as unplugged wires, misconfigured proxy and more,
- DNS analysis,
- Identify and troubleshoot IP-addressing-related errors,
- Incorrect routes defined for different networks.
Powerful yet simple diagnostic tools in 7G Fuse appliances
The appliance includes built-in network tools that are extremely useful for troubleshooting connectivity issues. Some of them are designed to be used through a graphical user interface (GUI), while the rest can be used through a command line interface (CLI). Few of the network diagnostics tools are ,
Ping is likely the number one utility that every network administrator will use on a daily basis. It helps us to determine two things: latency and packet loss. Usually, if there is either packet loss or latency (or both) this can indicate bandwidth saturation over a link or even a bad network cable or port on a switch. Regardless, this will almost always be your first go-to utility when you begin your troubleshooting process.
This is probably second in the top three utilities you’ll use on a daily basis. Traceroute is invaluable for telling us what network devices are between one point and another, and gives us some data on what those devices are doing. Traceroute can also help to diagnose routing issues, especially when we have more than one network connection to the outside world.
This is a great utility for two things: locating the IP addresses associated with a domain name and checking to see that DNS (Domain Name System) resolution is working for our host. Nslookup has the ability to not only query our configured DNS server, but also to query any other DNS server we wish. This can help us test remote DNS servers for our clients or even for our own ISP.
Tcpdump is a command line utility that allows you to capture and analyze network traffic going through your system. It is often used to help troubleshoot network issues, as well as a security tool. A powerful and versatile tool that includes many options and filters, tcpdump can be used in a variety of cases. Since it’s a command line tool, it can be used by logging in to the SSH of a 7G Fuse device, to collect data that can be analyzed later.
The ifstat command prints network interface statistics. The interface keeps records of the previous data displayed in history files. By default, it only displays the difference between the last and current calls.
One great tool for on-the-spot testing of network bandwidth is Iperf. It’s a simple, yet powerful tool that can provide visibility on network performance metrics such as bandwidth, latency (delay), jitter, and packet loss. Iperf measures network performance in terms of bandwidth.