MustGather: Collecting data on IBM DataPower Gateway Appliance for networking and connectivity problems

Answer

The following information describes the documentation needed by IBM support to investigate this problem scenario. Gather as much information listed in this document as possible. Gathering all this information places IBM Support in a much better position with a higher probability of debugging the problem in less time.

A. Describing the Problem:

1. Document the current symptoms including messages, error codes or unexpected results.
2. Document the steps leading up to the problem.
3. Collect all IP addresses and ports involved in the transaction. This will include the client IP address, the IP address and port that the Front Side Handler is listening on, and the IP address and port that DataPower connects to on the Backside.
4. Document any changes made to DataPower, the network, and other equipment involved in the transaction.
5. If the problem involves SSL/TLS encrypted traffic, review the following:  Mustgather: Collecting data for TLS problems on IBM DataPower Gateway Appliance
6. If the problem involves complete network connectivity failure, review the following :   MustGather Collecting data: DataPower Gateway Appliances: Ethernet port test 
7. If the problem involves the message "Backside header failed to parse due to: Failed to establish a backside connection", review the following: How to troubleshoot the error "Failed to process response headers"

B. Collecting information on the Problem:

1. Set log level to debug

3. Recreate the Problem: