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PXE boot on RSA fails with "Could not boot: Exec format error"
설명
PXE boot on RSA fails with "Could not boot: Exec format error"
원인
RSAs require an unrestricted network connection to the main SDA in order to retrieve Licensing Information.
If the SDA is unavailable / shutdown or network connection is blocked by firewall / routing then these critical information cannot be accessed by the RSA and PXE boot will fail with the above error.
해결 방안
Make sure that: 1. Main SDA is up and running 2. There are no network restrictions in place that prevent access from the RSA to the SDA, ports 80,443 and 22 (for syncing) are needed, the RSA needs to be able to contact the SDA using those port numbers.