CloudBridge® Connector tunnel diagnostics and troubleshooting

Last published : Sep 30, 2026
If you have problems with a CloudBridge Connector tunnel configuration, make sure that all prerequisites were observed before the tunnel was set up. If they were, the problem might be with the tunnel end-point IP addresses, a NAT configuration, the way the tunnel was set up, or with the data traffic.
Related information
CloudBridge® Connector

Troubleshooting a CloudBridge Connector tunnel

If your CloudBridge Connector tunnel does not function properly, the issue could be with tunnel establishment or with the data traffic. If you are unsure which type of problem you have, look for an error message in the log file and see if the error message is in the list of tunnel-establishment issues. If you do not find your error message, check the list of possible issues related to data traffic.

Checklist before contacting Citrix technical support

For a speedy resolution, make sure that you have the following items ready before contacting Citrix technical support.
  • Details of the deployment and network topology.
  • Log file collected by typing the following command at the NetScaler shell prompt. cat /tmp/iked.debug | tee /var/log/iked.log
  • Tech support bundle captured by typing the following command at the NetScaler command line. show techsupport
  • Packet traces captured on both CloudBridge Connector tunnel end points. To start a packet trace, type the following command at the NetScaler command line. start nstrace -size 0
    To stop packet trace, type the following command at the NetScaler command line. stop nstrace
  • Output of the following command typed at the NetScaler command prompt. show arp