tips:netflow_troubleshooting
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tips:netflow_troubleshooting [2020/03/18 18:19] – navaneeth | tips:netflow_troubleshooting [2020/03/19 18:13] – [2. Check if the Nodes are turned up] navaneeth | ||
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This article explains how you can troubleshoot the following problem. | This article explains how you can troubleshoot the following problem. | ||
- | + | ** | |
- | <note warning> | + | |
No data on the dashboard after enabling Netflow in Trisul Network Analytics. | No data on the dashboard after enabling Netflow in Trisul Network Analytics. | ||
- | </ | + | ** |
===== Precondition ===== | ===== Precondition ===== | ||
Line 44: | Line 42: | ||
==== 2. Check if the Nodes are turned up ==== | ==== 2. Check if the Nodes are turned up ==== | ||
- | Check if the nodes are up by selecting Context: Default —> Start/Stop Tasks | + | Check if the nodes are up by selecting Context:// Default —> Start/Stop Tasks// |
Are the nodes turned on? | Are the nodes turned on? | ||
+ | Check if all the probes and hubs are in the Started position. | ||
+ | |||
+ | {{: | ||
+ | {{: | ||
+ | |||
**Yes**. Move to next. | **Yes**. Move to next. | ||
- | **No**. Start it manually | + | **No**. Start it by clicking on the Start button |
- | < | + | |
trisulctl_probe start context <context name> | trisulctl_probe start context <context name> | ||
</ | </ | ||
==== 3. Check if the Network Interface is correct.==== | ==== 3. Check if the Network Interface is correct.==== | ||
- | You can view the network interface by using Admin> | + | You can view the network interface by using //Admin> |
- | Say suppose | + | Say you have a network interface eth0. |
Is it Enabled? | Is it Enabled? | ||
+ | |||
**Yes**. Move to next. | **Yes**. Move to next. | ||
Line 65: | Line 68: | ||
If any other interface.Click " | If any other interface.Click " | ||
- | Please ensure that u have Restarted Trisul after this step. | + | {{: |
+ | <note important> | ||
+ | </ | ||
==== 4. Check if the NETFLOW_TAP mode is enabled==== | ==== 4. Check if the NETFLOW_TAP mode is enabled==== | ||
Line 72: | Line 77: | ||
Is NETFLOW_TAP mode enabled? | Is NETFLOW_TAP mode enabled? | ||
+ | |||
**Yes**. Move to next | **Yes**. Move to next | ||
**No**. Change it from TAP mode to NETFLOW_TAP mode. | **No**. Change it from TAP mode to NETFLOW_TAP mode. | ||
- | Do not forget to restart Trisul after this step. | + | < |
+ | </ | ||
==== 5. Check if the Netflow ports are interpreted correctly ==== | ==== 5. Check if the Netflow ports are interpreted correctly ==== | ||
By default, | By default, | ||
Is the port added to netflow? | Is the port added to netflow? | ||
+ | |||
**Yes**. Move to next step. | **Yes**. Move to next step. | ||
**No**. Add the specific port number to Netflow using Context: default → profile0 → Netflow Wizard. | **No**. Add the specific port number to Netflow using Context: default → profile0 → Netflow Wizard. | ||
- | You need to restart trisul after this step. | + | {{: |
+ | <note tip>You need to restart trisul after this step.</ | ||
==== 6. Check whether templates are visible ==== | ==== 6. Check whether templates are visible ==== | ||
Check whether the Netflow template is displayed. This can be done by using Context: | Check whether the Netflow template is displayed. This can be done by using Context: | ||
Are the templates visible? | Are the templates visible? | ||
+ | |||
+ | {{: | ||
+ | |||
**Yes**. Move to next step. | **Yes**. Move to next step. | ||
Line 99: | Line 110: | ||
==== 7. Check whether the port number points to Netflow or Sflow ==== | ==== 7. Check whether the port number points to Netflow or Sflow ==== | ||
- | Check if the port number is interpret to Netflow or Sflow. This can be done using Context: default → profile0 → Netflow Wizard. | + | Check if the port number is interpret to Netflow or Sflow. |
Is the required port number mapped to Netflow? | Is the required port number mapped to Netflow? | ||
+ | |||
**Yes**. Move to next. | **Yes**. Move to next. | ||
**No**. Do the Following | **No**. Do the Following | ||
- | - Go to "Set Netflow Ports". | + | - Go to Context: default > profile0 > Netflow Wizard > Set Netflow Ports. |
- Enter the port number and Select " | - Enter the port number and Select " | ||
- Click on Save. | - Click on Save. | ||
- | You need to restart trisul after this step. | + | <note important> |
==== 8. Analyse the captured flows ==== | ==== 8. Analyse the captured flows ==== |
tips/netflow_troubleshooting.txt · Last modified: 2020/03/20 15:29 by navaneeth