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Use the Auto Install Configuration
20
M6100 Series Switches
- The IP address of the TFTP server (option 150).
- The address of the TFTP server (siaddr) to be used for
Auto Install requests.
You can also enter this information manually.
No BootP or DHCP configuration is saved in the startup-config file.
About Conflicting TFTP Server Configurations
The TFTP server IP address can be deduced from the multiple sources. It is selected from
one of the following fields, listed from the highest priority to the lowest:
• The sname field of a DHCP or BootP reply
• The TFTP server name (option 66) of a DHCP reply
• The TFTP server address (option 150) field of a DHCP reply
• The
siaddr field of a DHCP or BootP reply
About DNS Server Requirements
A DNS server is required to resolve the IP address of the TFTP server only if the sname or
option 66 value is used.
About Obtaining a Configuration File
After obtaining IP addresses for both the switch and the TFTP server, the Auto Install process
attempts to download a configuration file. A host-specific configuration file is downloaded, if
possible. Otherwise, a network configuration file is used as a bridge to get the final
configuration. For more information, see Host-Specific Configuration File on page 20 and
Default Network Configuration File on page 21.
Host-Specific Configuration File
If the DHCP or BootP server specifies a bootfile name, the switch attempts to download a
host-specific configuration file. The switch makes three unicast TFTP requests for the
specified bootfile. If the unicast attempts fail, or if a TFTP server address was not provided,
Auto Install process stops. No broadcast attempts are made.
Note: The bootfile is required for a file type of *.cfg. The bootfile cannot be
named fastpath.cfg, startup-config, or hpc_broad.cfg.
These names are reserved.