To resolve the "SIC failed - error 111" issue, follow these steps:
1. Check Network Connectivity: Ensure there is proper network connectivity between the Security Management Server and the Security Gateway. You can use the ping command to verify this.
2. Verify MTU Settings: The error might be due to MTU size issues. Discover the correct MTU size on the path between the Security Management Server and the Security Gateway. Use the ping command with the "Don't Fragment" flag to find the appropriate MTU size:
- On Gaia/SecurePlatform OS:
[Expert@HostName]# ping -s Size_in_Bytes -M do -c 4 -n Target_IP_address
- On Windows:
ping -l Size_in_Bytes -f Target_IP_address
Start with Size_in_Bytes=1500 and decrease until the pings succeed.
3. Adjust MTU Size: Once you determine the correct MTU size, adjust the MTU settings on the relevant interface of the Security Management Server or Security Gateway to match the lowest MTU value on the path.
4. Re-establish SIC: If the above steps do not resolve the issue, you may need to reset the SIC. This should be done as a last resort, as it temporarily disrupts communication between the Security Management Server and Security Gateways. Follow the steps in sk65764 - How to reset SIC.
5. Check Time Synchronization: Ensure that the time, date, and time zone are synchronized between the Management Server and the Security Gateway. Use the /bin/date -u command to verify UTC/GMT time.
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