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Administration: File Management
DHCP Auto Configuration
Cisco Small Business 200 Series Smart Switch Administration Guide 48
4
DHCP Server Options
DHCP messages might contain the configuration server name/address and the
configuration file name/path (these are optional options). These options are found
in the Offer message coming from the DHCPv4 servers and in the Information
Reply messages coming from DHCPv6 servers.
Backup information (configuration server name/address and configuration file
name/path) can be configured in the Auto Configuration page. This information is
used when the DHCPv4 message does not contain this information (but it is not
used by DHCPv6).
Auto Configuration Download Protocol (TFTP or SCP)
The Auto Configuration download protocol can be configured, as follows:
• Auto By File Extension—(Default) If this option is selected, a user-defined
file extension indicates that files with this extension are downloaded using
SCP (over SSH), while files with other extensions are downloaded using
TFTP. For example, if the file extension specified is.xyz, files with the .xyz
extension are downloaded using SCP, and files with the other extensions
are downloaded using TFTP.
• TFTP Only—The download is done through TFTP regardless of the file
extension of the configuration file name.
• SCP Only—The download is done through SCP (over SSH) regardless of
the file extension of the configuration file name.
SSH Client Authentication Parameters
By default, remote SSH server authentication is disabled, so that the device
accepts any remote SSH server out of the box. You can enable remote SSH server
authentication to only allow connections from servers found in the trusted server
list.
SSH Client Authentication parameters are required to access the SSH server by
the client (which is the device). The default SSH Client authentication parameters
are:
• SSH Authentication method: by username/password
• SSH username: anonymous
• SSH password: anonymous