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DOWNLOAD IN_BAND
DOWNLOAD IN_BAND
Use the DOWNLOAD IN_BAND command to load new software into the DMM.
An in-band download takes place over the network.
The DOWNLOAD IN_BAND command loads new software into the DMM. When
you enter the command, the DMM requests the download from a TFTP (Trivial
File Transfer Protocol) server on your network. The TFTP server transmits the new
code to the DMM, and, if needed, the DMM then transmits the new code to
the module.
Before you use the DOWNLOAD IN_BAND command:
■
Use the SET TFTP FILE_NAME command to specify the name of the file to
download.
■
Use the SET TFTP SERVER_IP_ADDRESS command to specify the IP address of
the TFTP server.
Save all parameters (including TFTP) before downloading DMM and RCTL code.
Traffic statistic collection and display features are disabled during a download.
These features restart automatically after the download completes successfully.
Any network function (such as Ping and Telnet) that attempts to communicate
with a DMM will not succeed until the download completes successfully and the
DMM reinitializes.
A short window of vulnerability exists during the download of boot code to the
DMM, during which a loss of power can leave the DMM without BOOT code,
and therefore not operational. If the DMM does not respond after a BOOT
download, contact your 3Com representative for more information.
Part of the inband download procedure involves configuring TFTP parameters.
Refer to the SET TFTP FILE_NAME and SET TFTP SERVER_IP_ADDRESS commands
in this chapter for information on using TFTP.
Do not use the RESET MASTERSHIP command during download.
You cannot download modules using the SLIP interface.