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How to disable and re-enable a firewall interface via CLI
05/31/2022 
1 People found this article helpful
381,278 Views
Description
CLI commands to disable and re-enable a firewall interface
Cause
Sometimes it might be necessary to disable an interface via CLI when access via the Management Interface (GUI) is not possible.
Resolution
Disable an interface:
- Connect via serial cable or via SSH, using a Terminal Programme, such as PuTTy
NOTE: To connect via SSH, SSH Management must be enabled on the interface you connect to (i.e. X0)
- Log in using admin credentials
- switch to config mode by entering the following command
config (press Enter)
- Enter the following command to disable the interface.
Shutdown [interface name] (press Enter)
- Type commit (press Enter)
- Exit config mode by typing end and then press Enter.
Enable an interface:
- Connect via serial cable or via SSH, using a Terminal Programme, such as PuTTy
- Log in using admin credentials
- switch to config mode by entering the following command
config (press Enter) - Type the following command to enable the interface
no shutdown [interface name] (press Enter)
- commit (press Enter)
- Exit config mode by typing end and then press Enter.
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Categories
- Firewalls > NSv Series > Networking
- Firewalls > TZ Series > Networking
- Firewalls > SonicWall NSA Series > Networking
- Firewalls > NSa Series > Networking
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