![]() display cpu-defend statistics packet-type ftp-client ![]() Run the display cpu-defend statistics packet-type ftp-client command multiple times to check whether the number of FTP packets received on the FTP server keep increasing when the FTP attempts to connect to the FTP server. Check statistics about packets sent to the CPU.If FTP packets are blocked by a NAT device on the network, modify or delete the NAT configuration. Check whether FTP packets are blocked by a NAT device.Ĭheck the NAT configuration on the network.If FTP packets are blocked by the firewall, disable the firewall or set the firewall working mode to passive. Check whether FTP packets are blocked by the firewall.Ĭheck whether the firewall is enabled on the FTP client and blocks FTP packets.If an ACL is configured on the FTP server, the FTP server allows only access from the IP addresses permitted by the ACL rules. Run the display ftp-server command in any view to check the FTP server configuration. Check whether an ACL is configured on the FTP server.When idle FTP connections are terminated and the number of FTP users falls below the upper limit, the FTP client can connect to the FTP server. If the number of existing FTP users has reached 5, run the ftp timeout command to set the idle connection timeout interval. Run the display ftp-users command to check whether there are already five FTP users on the FTP server. Check whether the number of users on the FTP server reaches the upper limit.Run the local-user user-name service-type ftp command to set the service type for the local user to FTP. If one or some of service types are selected, the system provides only the specified services for the user. ![]() By default, the system supports all the service types. The service type is optional for a local user. The FTP connection cannot be set up if the user level is lower than 3. Run the local-user user-name privilege level level command to set the user level to 3 or higher.Run the local-user user-name ftp-directory directory command to specify an FTP working directory for the FTP user.Run the local-user user-name password password command to configure a local user name and password.Run the aaa command to enter the AAA view.Run the system-view command to enter the system view.An FTP user cannot log in to the FTP server if the FTP working directory or user level is not specified. The user name, password, working directory, and user level are mandatory for an FTP user. Check whether the authentication information and working directory are configured for the FTP user.Info: Succeeded in closing the FTP server.Īlternatively, specify the listening port number of the FTP server on the FTP client. If the listening port number of the FTP server is not 21, run the ftp server port command to change the port number to 21.Run the display ftp-server command in any view to check the listening port number of the FTP server. Run the display tcp status command in any view to check the TCP listening ports include the default FTP service port 21. Check whether the port number that the FTP client uses to connect to the FTP server is the listening port number of the FTP server.If the following information is displayed, the FTP server is enabled: display ftp-server.Info: Succeeded in starting the FTP server. Run the ftp server enable command in the system view to enable the FTP server. Info: The FTP server is already disabled. If the following information is displayed, the FTP server is disabled: display ftp-server.Run the display ftp-server command in any view to check whether the FTP server function is enabled. Check whether the FTP server is enabled.Rectify the ping failure by referring to Troubleshooting Cases: The Ping Operation Fails, to ensure that the network connection between the FTP client and server is stable. If the ping operations fail, an FTP connection cannot be set up between the FTP client and server.Ĭheck whether there is any unstable network connection that causes packet loss or login failures. Run the ping command on the FTP client and server to check network connectivity between them. Check whether the FTP client and server are reachable to reach other.
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