DGS-3100 Series Gigabit Stackable Managed Switch Hardware Installation Guide
29
Booting the Device
To boot the switch, perform the following procedure:
1.
Ensure that the device console is connected to a VT100 terminal device or VT100 terminal emulator.
2.
Deactivate the AC power receptacle.
3.
Connect the device to the AC receptacle.
4.
Activate the AC power receptacle.
When the power is turned on with the local terminal already connected, the switch goes through
Power On Self Test
(POST).
POST runs every time the device is initialized and checks hardware components to determine if the device is fully
operational before completely booting. If a critical problem is detected, the program flow stops. If POST passes successfully,
a valid executable image is loaded into RAM. POST messages are displayed on the terminal and indicate test success or
failure.
As the switch boots, the bootup test first counts the device memory availability and then continues to boot.
The following screen is an example of the displayed POST.
------ Performing the Power-On Self Test (POST) ------
UART Channel Loopback Test........................PASS
Testing the System SDRAM..........................PASS
Boot1 Checksum Test...............................PASS
Boot2 Checksum Test...............................PASS
Flash Image Validation Test.......................PASS
BOOT Software Version
1.0.0.0 Built 01-Feb-2007 14:05:13
Network Switch based on 88E6218 with ARM946E-S.64MByte SDRAM.
I-Cache 8 KB. D-Cache 8 KB. Cache Enabled.
Autoboot in 2 seconds - press RETURN or Esc. to abort and enter prom.
The boot process runs approximately 30 seconds.
The auto-boot message that appears at the end of POST (see the last lines) indicates that no problems were encountered
during boot.
If the system boot is not interrupted by pressing <Esc> or <Enter>, the system continues operation by decompressing and
loading the code into RAM. The code starts running from RAM and the list of numbered system ports and the port states are
displayed. The following screen is an example configuration (Items such as addresses, versions, and dates may differ for
each device):
Preparing to decompress...
Decompressing SW from image-1
638000
OK
Running from RAM...
*********************************************************************
*** Running SW Ver. 1.2.0.6 Date 18-Feb-2007 Time 16:12:30 ***
*********************************************************************
HW version is 01.00.00
Base Mac address is
:
00:00:00:24:25:37
Dram size is: 64M bytes
Dram first block size is: 45056K bytes
Dram first PTR is: 0x1400000
Flash size is: 16M
01-Jan-2000 01:01:05 %CDB-I-LOADCONFIG: Loading running configuration.
01-Jan-2000 01:01:05 %CDB-I-LOADCONFIG: Loading startup configuration.
Содержание DGS-3100 SERIES
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