Netgear M4300-24X24F (XSM4348S) - Stackable Managed Switch with 48x10G including 24x10GBASE-T and 24xSFP+ Layer 3 Guia Do Programa
Use the Auto Install Configuration
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M4200 and M4300 Series ProSAFE Managed Switches Software Setup Manual
The following table displays the determining factors for issuing unicast TFTP requests.
About Obtaining an Image From a TFTP Server Through
Auto Install
Auto Install
You can use Auto Install to let the switch download an image from a TFTP server using
DHCP option 125. The image update can either upgrade or downgrade the firmware on the
switch.
DHCP option 125. The image update can either upgrade or downgrade the firmware on the
switch.
For the switch to be able to download an image from a TFTP server, the DHCP server must
include an image description file that lists the name of the image that the switch must
download from the TFTP server. For example, the autoinstall_dhcp image description
file on the DHCP server lists the m6100v10.2.0.12 image name that the switch must
download from the TFTP server.
include an image description file that lists the name of the image that the switch must
download from the TFTP server. For example, the autoinstall_dhcp image description
file on the DHCP server lists the m6100v10.2.0.12 image name that the switch must
download from the TFTP server.
Option 125 in the DHCP server must contain the following information (the example uses the
autoinstall_dhcp
autoinstall_dhcp
image description file and the m6100v10.2.0.12 image name):
•
Enterprise number (4 octets). 0x0000 0x11ae
In decimals, the enterprise number for NETGEAR is 4526.
•
Data length (1 octet). 0x12
The data length includes the SubOption code plus the SubOption length plus the image
description file name: 1+1+16.
description file name: 1+1+16.
-
SubOption code (2 octets). 0x05
-
SubOption length (1 octet). 0x10
The length of the name of the image description file.
-
Image description file name (N octets).
61.7574.6f69.6e73.7461.6c6c.5f64.6863.70
In plain text, the name of the image description file is autoinstall_dhcp.
The content of the autoinstall_dhcp image description file is m6100v10.2.0.12.stk,
which is the name of the image that the switch must download from the TFTP server.
which is the name of the image that the switch must download from the TFTP server.
You can change the name for the image description file, but then you must also change the
option 125 data length, which is based on the SubOption code, SubOption length, and image
description file name.
option 125 data length, which is based on the SubOption code, SubOption length, and image
description file name.
Table 2. Unicast TFTP requests
TFTP Server
Address Available
Host-Specific Router
Configuration File Name Available
Configuration File Name Available
TFTP Request Method
Yes
Yes
Issue a unicast request to the TFTP server for the
host-specific router configuration file.
host-specific router configuration file.
Yes
No
Issue a unicast request to the TFTP server for a
default network or router configuration file.
default network or router configuration file.