Specifications

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Mediatrix 4100
125
3. If not already done, configure the image hosts and ports as defined in “Software Servers
Configuration” on page 116.
4. In the imageMIB, set the imageTransferProtocol variable to either http or tftp.
If you are using the HTTP protocol to download the software, be aware that your HTTP server may
activate some caching mechanism for the software download. This mechanism caches the initial
software download for later processing, thus preventing changes or update of the original download
by the user. This can cause problems if a user wants to modify the software download and perform
it again immediately. The result will still return the original download and not the new one.
5. If you are using the HTTP protocol and your HTTP server requires authentication, set the following:
• The user name in the imageTransferUsername variable.
• The password in the imageTransferPassword variable.
6. Define the time base for automatic software updates in the imageAutoUpdateTimeUnit variable (in
the imageAutomaticUpdate group).
You have the following choices:
7. Set the waiting period between each software update in the imageAutoUpdatePeriod variable.
The time unit for the period is specified by the imageAutoUpdateTimeUnit variable (see Step 6).
Available values are from 1 to 48.
8. If you have selected days in Step 6, set the time of the day when to initiate a software update in the
imageAutoUpdateTimeRange variable.
The time of the day is based on the sntpTimeZoneString variable setting (see “Chapter 14 -
SNTP
Settings” on page 157 for more details).
You must have a time server SNTP that is accessible and properly configured, or the automatic
software update feature may not work properly. It is assumed that you know how to configure your
SNTP server. If not, refer to your SNTP server’s documentation. You can also refer to “Chapter 14
- SNTP Settings” on page 157 for more details on how to configure the Mediatrix 4100 for a SNTP
server.
If a time range is specified, the unit will initiate the image software download at a random time within
the interval specified.
The format should be one of the following:
hh[:mm[:ss]]
hh[:mm[:ss]] - hh[:mm[:ss]]
Where:
hh: Hours.
mm: Minutes.
Caution: When downloading via HTTP, the image server’s port must be 80. You can query the actual port
assigned in the imagePrimaryPort and imageSecondaryPort read-only variables (in the ipAddressStatus
folder).
If you are using a DHCP server and it did not provide the proper port, reconfigure it with the proper port or
use a static configuration. See “
Software Servers Configuration” on page 116 for more details.
Table 90: Time Unit Parameters
Parameter Description
minutes Updates the software every x minutes. You can specify the x value in
the variable imageAutoUpdatePeriod (see Step 7).
hours Updates the software every x hours. You can specify the x value in the
variable imageAutoUpdatePeriod (see Step 7).
days Updates the software every x days. You can specify the x value in the
variable imageAutoUpdatePeriod (see Step 7).
You can also define the time of day when to perform the update in the
imageAutoUpdateTimeRange variable (see Step 8).