NMC2 devices with a self-signed SSL certificate refuse a web connection. Logging in via serial/telnet/SSH still work.
Product Lines:
- Network Management Card 2 (NMC2) - AP9630/AP9630CH, AP9631/AP9631CH, AP9635/AP9635CH
Solution:
To fix this issue, a device would need to be upgraded to v7.0.4. After upgrading, the SSL certificate will need to be deleted from the NMC; there are a few methods that can be used:
Deleting the certificate via Web UI
- Navigate to Configuration --> Network --> Web --> SSL Certificate
- Select "remove", then "apply"
- Reboot the NMC
- Open a Telnet/SSH session
- Enter "cd ssl"
- Enter "dir", should return with a file that has a .p15 extension
- Delete the file with the command "delete <filename>.p15"
- Reboot the NMC with the "reboot" command
- Open an FTP session
- Enter "cd ssl"
- Enter "dir", should return with a file that has a .p15 extension
- delete the file with the command "delete <filename>.p15"
- Close the FTP session, then reboot the NMC manually.
If a user wishes to remain on a firmware revision older than v7.0.4, the certificate can be deleted and the card rebooted to fix the issue, however the new certificate generated will be valid for only 1 year - the process would need to be repeated every year.
Released for: Schneider Electric Malaysia
NMC2 devices with a self-signed SSL certificate refuse a web connection. Logging in via serial/telnet/SSH still work.
Product Lines:
- Network Management Card 2 (NMC2) - AP9630/AP9630CH, AP9631/AP9631CH, AP9635/AP9635CH
Solution:
To fix this issue, a device would need to be upgraded to v7.0.4. After upgrading, the SSL certificate will need to be deleted from the NMC; there are a few methods that can be used:
Deleting the certificate via Web UI
- Navigate to Configuration --> Network --> Web --> SSL Certificate
- Select "remove", then "apply"
- Reboot the NMC
- Open a Telnet/SSH session
- Enter "cd ssl"
- Enter "dir", should return with a file that has a .p15 extension
- Delete the file with the command "delete <filename>.p15"
- Reboot the NMC with the "reboot" command
- Open an FTP session
- Enter "cd ssl"
- Enter "dir", should return with a file that has a .p15 extension
- delete the file with the command "delete <filename>.p15"
- Close the FTP session, then reboot the NMC manually.
If a user wishes to remain on a firmware revision older than v7.0.4, the certificate can be deleted and the card rebooted to fix the issue, however the new certificate generated will be valid for only 1 year - the process would need to be repeated every year.
Released for: Schneider Electric Malaysia
















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