Red Hat NETWORK 4.0.5 - CHANNEL MANAGEMENTT GUIDE Guida alla Risoluzione dei Problemi Scaricare il pdf (Pagina 22)

F5 SDC Troubleshooting Guide

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4.6.2 CPF Cannot Return Answer Back to FEP

Error Description

Request is routed correctly to server and answer is returned from server to FEP-O and to CPF,

but is not forwarded from CPF back to FEP.

Causes

The connection between CPF to FEP is disconnected, possibly because one of them did not

answer watchdog requests. This might happen when the system is overloaded with too much

traffic or too busy with processes running on the machine, or when using a VM.

Symptoms

The following WARN message appears in the FEP log with the client peer as origin:

 “Cannot route the answer back, request's Origin Peer {0} was disconnected.

Failed to send {1}”

The following INFO message appears in the CPF log with the FEP as {0}, or appears in the

FEP log with CPF as {0}:

 “Idle channel. Closing {0}. Channel is: {1}”

Resolution

Reduce the load on the machine that is hosting the process that disconnected the channel or

migrate the process to a stronger machine.

Do not use a VM for load testing.

4.6.3 FEP-O Cannot Return Answer Back to CPF

Refer to Error! Reference source not found. (Section 4.6.1) for a similar troubleshooting

scenario.

Web UI Connectivity

4.7.1 Symptoms

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Red Hat NETWORK 4.0.5 - CHANNEL MANAGEMENTT GUIDE Guida alla Risoluzione dei Problemi Pagina 22