Administration: File Management
DHCP Auto Configuration/Image Update
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 92
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- When DHCPv6 information is refreshed by the device.
- After rebooting the device when stateless DHCPv6 client is enabled.
• When the DHCPv6 server packets contain the configuration filename option.
• The Auto Image Update process is triggered when an indirect image file name is
provided by the DHCP server or a backup indirect image file name has been
configured. Indirect means that this is not the image itself, but rather a file that holds
the path name to the image.
Auto Configuration Image Update in a Stack
The current master of a stack is responsible for the Auto Configuration/Image Update of the
whole stack.
For auto configuration, the new configuration file is downloaded to the master unit and
synchronized to backup before reload.
For auto image update, the new image is copied and saved to the inactive-image of the master
unit. As the part of the copy process the master unit synchronizes the image to all the units in
the stack before the reload.
A configuration file that is placed on the TFTP/SCP server must match the form and format
requirements of the supported configuration file. The form and format of the file are checked,
but the validity of the configuration parameters is not checked prior to loading it to the Startup
Configuration.
DHCP Auto Configuration/Image Update
The DHCP Auto Configuration/Image Update page is used to configure the device as a DHCP
client.
The following defaults exist on the system:
• Auto Configuration is enabled.
• Auto Image Update is enabled.
• The device is enabled as a DHCP client.
• Remote SSH server authentication is disabled.
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