Medias Mediatrix 1204, Справочное руководство

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Chapter 3 - Web Interface – Management Firmware Download
62 Mediatrix 1204
8. Define the time base for automatic firmware updates in the Periodic Update Time Unit field.
You have the following choices:
9. If you have selected Days in Step 6, set the time of the day when to initiate a firmware update in
the Periodic Update Time of Day field.
The time of the day is based on the SNTP Timezone field of the Management - Network Settings
page (see “SNTP Settings” on page 38 for more details).
You must have a time server SNTP that is accessible and properly configured, or the automatic
firmware 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
“SNTP
Settings” on page 38 for more details on how to configure the Mediatrix 1204 for a SNTP server.
The firmware is downloaded at the first occurrence of this value and thereafter at the period defined
by the
Periodic Update Period field. Let’s say for instance the automatic firmware update is set with
the time of day at 14h00 and the update period at every 2 days.
• If the automatic update is enabled before 14h00, the first update will take place the
same day at 14h00, then the second update two days later at the same hour, and so
on.
• If the automatic update is enabled after 14h00, the first update will take place the day
after at 14h00, then the second download two days later at the same hour, and so on.
Available values are -1, and from 0 to 23.
Entering -1 means that the time of the day at which the Mediatrix 1204 first downloads the firmware
is randomly selected.
10. Click Submit if you do not need to set other parameters.
Spanning Tree Protocol (STP)
Many network switches use the Spanning Tree Protocol (STP) to manage Ethernet ports activity. When a
firmware download occurs, the
Ethernet connector of the Mediatrix 1204 may switch off. This shutdown may
trigger these network switches to shutdown the matching Ethernet port for at least one minute. This shutdown
on the switch side can prevent firmware download.
To prevent this, the Mediatrix 1204 supports the STP. However, this management has a potential time cost. It
may appear from time to time that firmware downloads take more time. This is normal.
The following is an example where the STP management impacts the download duration.
The firmware download procedure does not use any DHCP and DNS services.
The primary image server is down (or not properly configured).
The secondary image server is up and running well.
Table 42: Time Unit Parameters
Parameter Description
Minutes Updates the unit’s firmware every x minutes. You can specify the x
value in the Periodic Update Period field (see Step 5).
Hours Updates the unit’s firmware every x hours. You can specify the x value
in the Periodic Update Period field (see Step 5).
Days Updates the unit’s firmware every x days. You can specify the x value in
the Periodic Update Period field (see Step 5).
You can also define the time of day when to perform the update in the
Periodic Update Time of Day field (see Step 7).