Troubleshooting Network Issues

Sends ICMPInternet Control Message Protocol. ICMP is an error reporting protocol. It is used by network devices such as routers, to send error messages and operational information to the source IP address when network problems prevent delivery of IP packets. echo packets to the hostname or IP addresses of the selected devices to check for latency issues.

To perform a ping test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select Ping Test.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. From the Destination Type drop-down list, select one of the following:

Hostname/IP Address—Enter the hostname or IP address.

Client—Select a client.

7. Enter the count in the range as mentioned in the field.

8. Click Run. The output is displayed in the Device Output section.

Tracks the packets routed from a network host.

To perform a traceroute test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select Traceroute.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. Enter the hostname or IP address.

7. Click Run. The output is displayed in the Device Output section.

Sends packets to the HTTPHypertext Transfer Protocol. The HTTP is an application protocol to transfer data over the web. The HTTP protocol defines how messages are formatted and transmitted, and the actions that the w servers and browsers should take in response to various commands. URLUniform Resource Locator. URL is a global address used for locating web resources on the Internet. and tries to establish a connection and exchange data. If the HTTP website returns a response, the issue could be isolated to the client device.

To perform an HTTP test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select HTTP Test.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. In the URL field, enter the HTTP URL for which you want to perform the HTTP test. For example, http://hostname or http://ipaddress.

7. Enter the timeout value in seconds. The range is from 1 to 10 seconds. The default timeout value is 1 second.

8. Click Run. The test output is displayed in the Device Output section.

Important Points to Note

HTTP test is supported only from version 8.3.0.0 or above.

The test supports only IPv4 address or domain name in the URL field.

Sends packets to the HTTPSHypertext Transfer Protocol Secure. HTTPS is a variant of the HTTP that adds a layer of security on the data in transit through a secure socket layer or transport layer security protocol connection. URL and tries to establish a connection and exchange data. If the HTTPS website returns a response, the issue could be isolated to the client device. HTTPS is a performance test to identify the time taken to load a web page.

To perform an HTTPS URL test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select HTTPS Test.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. In the URL field, enter the HTTPS URL for which you want to perform the HTTPS test. For example, https://URL or https://IPv4.

7. Enter the timeout value in seconds. The range is from 1 to 10 seconds. The default timeout value is 1 second.

8. Click Run. The test output is displayed in the Device Output section.

Important Points to Note

HTTPS test is supported only from version 8.4.0.0 or above.

The test supports only IPv4 address or domain name in the URL field.

Sends packets to the host, for example, FTPFile Transfer Protocol. A standard network protocol used for transferring files between a client and server on a computer network. server, and tries to establish a connection and exchange data. If the FTP server returns a response, the issue could be isolated to the client device.

To perform a TCPTransmission Control Protocol. TCP is a communication protocol that defines the standards for establishing and maintaining network connection for applications to exchange data. test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select TCP Test.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. In the Host field, enter the IPv4 address. Hostname is not supported.

7. In the Port field, enter the port number. The port number should be in the range 1 to 65535.

8. In the Timeout field, enter the timeout value in seconds. The range is from 1 to 10 seconds. The default timeout value is 5 seconds.

9. Click Run. The output is displayed in the Device Output section.

Important Point to Note

TCP test is supported only from version 8.3.0.0 or above.

Performs a speed test to measure network speed and bandwidth. The speed test diagnostic tool is available only for Instant AP. To perform a speed test, you must provide the iPerf server address, protocol type, and speed test options such as bandwidth.

To execute a speed test on APs:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Access Points.

A list of devices is displayed in the List view.

c. Click an access point listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the access point is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Access Point.

4. From the Test drop-down list, select Speed Test.

5. From the Sources drop-down list, select source(s). You can select multiple APs.

6. In the Host field, enter a valid hostname.

7. From the Protocol drop-down list, select the protocol. The available options are TCP or UDP.

8. In the Options field, enter the option. For example, bandwidth.

9. Click Run. The test output is displayed in the Device Output section.

Sends ICMP echo packets to the IP address of the selected switch to check for latency issues.

To perform a ping test on switches:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Switches.

A list of devices is displayed in the List view.

c. Click a switch listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the switch is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Switch.

4. From the Test drop-down list, select Ping Test.

5. From the Sources drop-down list, select source(s). You can select multiple switches.

6. From the Destination Type drop-down list, select one of the following:

Hostname/IP Address—Enter the hostname or IP address.

Client—Select a client.

7. In the Repetitions field, enter the repetition value. The range is from 1 to 10000.

8. In the Data Size field, enter the data size. The range is from 0 to 65471.

9. Select the Use Management Interface option if you want to use VRFVisualRF. VRF is an AirWave Management Platform (AMP) module that provides a real-time, network-wide views of your entire Radio Frequency environment along with floor plan editing capabilities. VRF also includes overlays on client health to help diagnose issues related to clients, floor plan, or a specific location. Management interface. To use VRF Default interface, clear this option, which is the default.

10. Click Run. The test output is displayed in the Device Output section.

Tracks the packets routed from a network host.

To perform a traceroute test on switches:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Switches.

A list of devices is displayed in the List view.

c. Click a switch listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the switch is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Switch.

4. From the Test drop-down list, select Traceroute.

5. From the Sources drop-down list, select source(s). You can select multiple switches.

6. Enter the hostname or IP address.

7. Select the Use Management Interface option if you want to use VRF Management interface. To use VRF Default interface, clear this option, which is the default.

8. Click Run. The output is displayed in the Device Output section.

Sends ICMP echo packets to the IP addresses of the selected devices to check for latency issues.

To perform a ping test on Controllers:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Controllers.

A list of devices is displayed in the List view.

c. Click a switch listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the controller is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Controller.

4. From the Test drop-down list, select Ping Test.

5. From the Sources drop-down list, select source(s). You can select multiple Controllers.

6. From the Destination Type drop-down list, select one of the following:

Hostname/IP Address—Enter the hostname or IP address.

Client—Select a client.

VPNC—Select the VPNVirtual Private Network. VPN enables secure access to a corporate network when located remotely. It enables a computer to send and receive data across shared or public networks as if it were directly connected to the private network, while benefiting from the functionality, security, and management policies of the private network. This is done by establishing a virtual point-to-point connection through the use of dedicated connections, encryption, or a combination of the two. Concentrator.

7. In the Packet Size field, enter the packet size to capture and store the data packet to analyze network issues at a later stage. The range is from 10 to 2000 Bytes.

8. In the Count field, enter the count. The range is from 1 to 100.

9. Click Run. The output is displayed in the Device Output section.

Tracks the packets routed from a network host.

To perform a traceroute test on Controllers:

1. In the Network Operations app, select one of the following options:

To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

The dashboard context for the selected filter is displayed.

To select a device in the filter:

a. Set the filter to Global.

b. Under Manage, click Devices > Controllers.

A list of devices is displayed in the List view.

c. Click a switch listed under Device Name for which you want to perform diagnostic test.

The dashboard context for the controller is displayed.

2. Under Analyze > Tools, click Network Check.

3. From the Device Type drop-down list, select Controller.

4. From the Test drop-down list, select Traceroute.

5. From the Sources drop-down list, select source(s). You can select multiple Controllers.

6. Enter the hostname or IP address.

7. Click Run. The output is displayed in the Device Output section.