boot host auto-config
Use the boot host auto-config Global Configuration mode command to enable auto configuration via DHCP. Use the no form of this command to disable DHCP auto configuration.
Syntax
boot host auto-config [tftp | scp | auto [extension]] no boot host auto-config
Parameters
- tftp—Only the TFTP protocol is used by auto-configuration.
- scp—Only the SCP protocol is used by auto-configuration.
- auto—(Default) Auto-configuration uses the TFTP or SCP protocol depending on the configuration file’s extension. If this option is selected, the extension parameter may be specified or, if not, the default extension is used.
- extension—The SCP file extension. When no value is specified, ‘scp’ is used. (Range: 1-16 characters)
Default Configuration
Auto configuration via DHCP is disabled.
Command Mode
Global Configuration mode
User Guidelines
The TFTP or SCP protocol is used to download/upload a configuration file.
Examples
Example 1. The following example specifies the auto mode and specifies “scon” as the SCP extension:
switchxxxxxx(config)# boot host auto-config auto scon |
Example 2. The following example specifies the auto mode and does not provide an SCP extension.
In this case “scp” is used.
switchxxxxxx(config)# boot host auto-config auto |
Example 3. The following example specifies that only the SCP protocol will be used:
switchxxxxxx(config)# boot host auto-config scp |
boot host auto-update
Use the boot host auto-update Global Configuration mode command to enable the support of auto update via DHCP. Use the no form of this command to disable DHCP auto configuration.
Syntax
boot host auto-update [tftp | scp | auto [extension]] no boot host auto-update
Parameters
- tftp—Only the TFTP protocol is used by auto-update.
- scp—Only the SCP protocol is used by auto-update.
- auto (Default)—Auto-configuration uses the TFTP or SCP protocol depending on the Indirect image file’s extension. If this option is selected, the extension parameter may be specified or, if not, the default extension is used.
- extension—The SCP file extension. When no value is specified, ‘scp’ is used. (Range: 1-16 characters)
Default Configuration
Auto update via DHCP is disabled.
Command Mode
Global Configuration mode
User Guidelines
The TFTP or SCP protocol is used to download/upload an image file.
Examples
Example 1—The following example specifies the auto mode and specifies “scon” as the SCP extension:
switchxxxxxx(config)# boot host auto-update auto scon |
Example 2—The following example specifies the auto mode and does not provide an SCP extension. In this case “scp” is used.
switchxxxxxx(config)# boot host auto-update auto |
Example 3—The following example specifies that only the SCP protocol will be used:
switchxxxxxx(config)# boot host auto-update scp |
show boot
Use the show boot Privilege EXEC mode command to show the status of the IP DHCP Auto Config process.
Syntax show boot
Parameters
N/A
Default Configuration
N/A
Command Mode
Privileged EXEC mode
Examples
switchxxxxxx# show boot Auto Config ------------ Config Download via DHCP: enabled Download Protocol: auto SCP protocol will be used for files with extension: scp Configuration file auto-save: enabled Auto Config State: Finished successfully Server IP address: 1.2.20.2 Configuration filename: /config/configfile1.cfg Auto Update ----------Image Download via DHCP: enabled switchxxxxxx# show boot Auto Config ------------ Config Download via DHCP: enabled Download Protocol: scp Configuration file auto-save: enabled Auto Config State: Opening <hostname>-config file Auto Update ----------- Image Download via DHCP: enabled switchxxxxxx# show boot Auto Config ------------ Config Download via DHCP: enabled "Download Protocol: scp Configuration file auto-save: enabled Auto Config State: Downloading configuration file Auto Update ----------- Image Download via DHCP: enabled switchxxxxxx# show boot Auto Config ------------ Config Download via DHCP: enabled Download Protocol: tftp Configuration file auto-save: enabled Auto Config State: Searching device hostname in indirect file Auto Update ----------- Image Download via DHCP: enabled switchxxxxxx# show boot Auto Config ------------ Config Download via DHCP: enabled Download Protocol: tftp Configuration file auto-save: enabled Auto Update ----------- Image Download via DHCP: enabled Auto Update State: Downloaded indirect image file Indirect Image filename: /image/indirectimage.txt |
ip dhcp tftp-server ip address
Use the ip dhcp tftp-server ip address Global Configuration mode command to set the backup server’s IP address. This address server as the default address used by a switch when it has not been received from the DHCP server. Use the no form of the command to return to default.
Syntax
ip dhcp tftp-server ip address ip-addr no ip dhcp tftp-server ip address
Parameters
- ip-addr—IPv4 Address, or IPv6 Address or DNS name of TFTP or SCP server.
Default Configuration
No IP address
Command Mode
Global Configuration mode
User Guidelines
The backup server can be a TFTP server or a SCP server.
Examples
Example 1. The example specifies the IPv4 address of TFTP server:
switchxxxxxx(config)# ip dhcp tftp-server ip address 10.5 . 234.232 |
Example 2. The example specifies the IPv6 address of TFTP server:
switchxxxxxx(config)# ip dhcp tftp-server ip address 3000 : 1 :: 12 |
Example 3. The example specifies the IPv6 address of TFTP server:
switchxxxxxx(config)# ip dhcp tftp-server ip address tftp-server.company.com |
ip dhcp tftp-server file
Use the ip dhcp tftp-server file Global Configuration mode command to set the full file name of the configuration file to be downloaded from the backup server when it has not been received from the DHCP server. Use the no form of this command to remove the name.
Syntax
ip dhcp tftp-server file file-path no ip dhcp tftp-server file
Parameters
- file-path—Full file path and name of the configuration file on the server.
Default Configuration
No file name
Command Mode
Global Configuration mode
User Guidelines
The backup server can be a TFTP server or an SCP server.
Examples
switchxxxxxx(config)# ip dhcp tftp-server file conf/conf-file |
ip dhcp tftp-server image file
Use the ip dhcp tftp-server image file Global Configuration mode command to set the indirect file name of the image file to be downloaded from the backup server when it has not been received from the DHCP server. Use the no form of this command to remove the file name.
Syntax
ip dhcp tftp-server image file file-path no ip dhcp tftp-server image file
Parameters
- file-path—Full indirect file path and name of the configuration file on the server.
Default Configuration
No file name
Command Mode
Global Configuration mode
User Guidelines
The backup server can be a TFTP server or a SCP server.
Examples
switchxxxxxx(config)# ip dhcp tftp-server image file imag/imag-file |
show ip dhcp tftp-server
Use the show ip dhcp tftp-server EXEC mode command to display information about the backup server.
Syntax
show ip dhcp tftp-server
Parameters
N/A
Default Configuration
N/A
Command Mode
User EXEC mode
User Guidelines
The backup server can be a TFTP server or a SCP server.
Example
show ip dhcp tftp-server server address
active 1.1.1.1 from sname manual 2.2.2.2
file path on server active conf/conf-file from option 67 manual conf/conf-file1
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