Functions of a CF card on the firewall


The CF card is the storage media in standard configuration. It is used to store system software and configuration files.
Information in system directories is important. Therefore, do not change or delete these directories.

Other related questions:
Usage of USG5100 CF cards
The CF card stores system files or certificates.

Directories under the system directory of the CF card on the firewall
System directories in the CF card are as follows: default-sdb Stores the default signature database file and version information. update Stores post-upgrade signature database file and version information. gpmbak Backs up the state machines of the GPM module. loc Stores location information. umdb Stores user information, including users' basic information, customized logo, and background image. hidehttpdcertkey Stores encrypted device default certificate and key pair. hidepkirsakey Stores encrypted PKI key pairs. cfgbak Backs up the configuration profile. The system automatically generates this directory only when the backup parameter is selected during the manual upgrade of the configuration profile. download Stores portal page and image resources. $_install_mod Stores the dynamically loaded component packages. isp Stores ISP address files. dhcp Stores DHCP address pool data and client DUIDs. tracefile Stores the exported temporary packet tracing files. log Stores system and diagnosis logs. seclog Stores service logs. pmdata Stores performance management statistics files.

What are the functions of the CF card of the S7700&S9700
The S7700&S9700 series switches support standard CF cards. The default capacity of a CF card is 512 MB, expandable to 1 GB or 2 GB. The CF card is used to store system files, configuration files, paf, License, and log files. The S7700&S9700 series switches can start by using the startup file in the CF card. In this case, the system software package is stored on the CF card. It is required to specify the system software package on the CF card as the boot file. On the S7700&S9700 series switches, logs can be stored on the CF cards. Do not use the uncertified CF cards to prevent unpredictable problems.

Is the CF card hot swappable
The CF cards are not hot swappable.

Do I need to export the information from the original CF card and then import it into the new CF card when replacing the MCU CF card?
The MCU CF card saves information including logs, IVR files, and EDR logs. The information can be exported for backup. After replacing the CF card, you need to import IVR files into the new CF card. Logs cannot be imported into the new CF card. You can only store it on a local device for backup.

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