tips:netflow_troubleshooting
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tips:netflow_troubleshooting [2020/03/19 18:13] – [2. Check if the Nodes are turned up] navaneeth | tips:netflow_troubleshooting [2020/03/20 15:29] (current) – [8. Analyse the captured flows] navaneeth | ||
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No data on the dashboard after enabling Netflow in Trisul Network Analytics. | No data on the dashboard after enabling Netflow in Trisul Network Analytics. | ||
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===== Precondition ===== | ===== Precondition ===== | ||
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Do you see netflow packets on the screen ? | Do you see netflow packets on the screen ? | ||
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**Yes**. Move to next | **Yes**. Move to next | ||
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{{: | {{: | ||
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**Yes**. Move to next. | **Yes**. Move to next. | ||
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If any other interface.Click " | If any other interface.Click " | ||
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<note important> | <note important> | ||
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**No**. Change it from TAP mode to NETFLOW_TAP mode. | **No**. Change it from TAP mode to NETFLOW_TAP mode. | ||
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</ | </ | ||
==== 5. Check if the Netflow ports are interpreted correctly ==== | ==== 5. Check if the Netflow ports are interpreted correctly ==== | ||
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**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. | ||
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- | < | + | < |
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==== 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: | ||
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Are the templates visible? | Are the templates visible? | ||
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**Yes**. Move to next step. | **Yes**. Move to next step. | ||
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- Click on Save. | - Click on Save. | ||
- | <note important> | + | <note important> |
+ | </ | ||
==== 8. Analyse the captured flows ==== | ==== 8. Analyse the captured flows ==== | ||
You can analyse the captured flows using Wireshark tool.This can be done by, | You can analyse the captured flows using Wireshark tool.This can be done by, | ||
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+ | - Check if you have mentioned the port number correctly. | ||
+ | - If not,then choose ' | ||
+ | - Change the port number(for eg.5111) and set to CFLOW. | ||
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+ | {{: | ||
tips/netflow_troubleshooting.1584621796.txt.gz · Last modified: 2020/03/19 18:13 by navaneeth