Blog tagged as Data Frowarding Issues

Data Forwarding Issues - Splunk Troubleshooting Use Case - 8
Scenario-6: Except 1 source other sources are sending logs from same forwarder.
Root Cause: Data input was disabled during previous deployment.
Solution: Enable the data input & check if the data starts flowing for the respective source.

13.06.24 10:46 PM - Comment(s)
Data Forwarding Issues - Splunk Troubleshooting Use Case - 7
Issue: Forwarder is not sending data
Scenario-5: Forwarder error logs say, Indexers are not reachable
Root Cause:
9997 port is not open in Security Groups inbound & outbound rules.
Solution:
Enable 9997 port in the outbound of the Forwarder & inbound of the Indexer
13.06.24 10:43 PM - Comment(s)
Data Forwarding Issues - Splunk Troubleshooting Use Case - 5
Data Forwarding Issues:

Issue: Forwarder is not sending data.
Scenario 3: None of the logs are available in Indexer for last few hours, even Indexer’s internal logs.
Root Cause:
The Indexer Disk size was full.
Solution:
Increase the Indexer Disk/Storage size
(or)
Remove unwanted data from the Indexer, Like ...
13.06.24 10:26 PM - Comment(s)
Data Forwarding Issues - Splunk Troubleshooting Use Case - 4

Data Forwarding Issues:


Issue: Forwarder is not sending data
Scenario 2: Forwarder is running & was sending data earlier, has all the access
Root Cause: 
Forwarder had indexer IP in outputs.conf, the corresponding indexer was down
Solution: 
Bring up the Indexer 
(or) 
Enable Indexer...
13.06.24 10:22 PM - Comment(s)
Data Forwarding Issues - Splunk Troubleshooting Use Case - 6
Data Forwarding Issues:

Issue: Forwarder is not sending data
Scenario-4: Intermittent data flow -But the source is producing the data live
Root Cause:
Sudden burst of incoming data, leads to stall the forwarder queue
Solution:
This is expected in few scenarios where the data sources are too many. One way ...
13.06.24 10:22 PM - Comment(s)
Data Forwarding Issues - Splunk Troubleshooting Use Cases - 3
Data Forwarding Issues

Issue-3: 
The Forwarder is not sending data
Scenario-1:
No logs are sent by forwarder, even internal logs
Root Cause: 
The forwarder is stopped due to a source server restart done by the Application team
Solution: 
Enable boot start for forwarder, this will make sure t...
13.06.24 10:15 PM - Comment(s)