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Page 28
TLX320 Matrix Switch Product Manual
thinklogical
Rev. I, May 2021
Appendix C: SD Card Replacement Procedure for the TLX320 Controller Card
This procedure assumes a normally operating TLX system that is using both a Primary and a Back-up Controller
Card.
Note: If Partitioning, Restricted Switching or P2P is being used, copy the
upstream.csv
file from the appropriate
/var/local/router
subdirectory. This file
will be copied onto the new SD card.
1. Connect a Linux Command Line Interface serial cable to the Controller Card via the serial
CONSOLE port. Datacomm parameters are: 115200, 8, N, 1, None.
2. Connect a Linux Command Line Interface serial cable to the Back-up Controller Card via the
serial CONSOLE port and issue a
poweroff
command. Wait until the ACTIVE LED goes off.
3. Remove the Back-up Controller and replace the SD card.
4. Install the Back-up Controller Card into the chassis with a CONSOLE serial connection. Do not
connect the network cable.
5. When the card boots up, then verify the IP settings with the
ipconfig
utility.
6. Check the
‘date/time/timezone’ with a
date
command.*
7. Perform other site-specific operations as necessary (
password, NTP, etc
.).
8. Issue a
reboot
command.
9. When
reboot
is ready, connect the network cable to the secondary controller card and wait 10
seconds.
10. Unplug the network cable from the Primary Controller Card.
11. After 20 seconds the system will fail-over to the Back-up Controller Card and the ACTIVE LED on
the Back-up will come ON. On the Primary the ACTIVE LED will be OFF and the FAULT LED will be
ON.
12. Test the Back-up Controller
’s function by performing a switching operation.
13. On the primary controller, issue a
poweroff
command. When the ACTIVE LED goes off, pull the
Controller out and replace the SD card.
14. Install the Primary Controller with the serial cable only. Do not connect the network cable
.
15. When the Controller Card boots up, check the IP settings with the
ipconfig
utility and make any
needed changes.
16. Check the
‘date/time/time zone’ with a
date
command.*
17. Perform other site-specific operations as necessary (
password, NTP, etc
.).
18. Connect the network cable to the Primary Controller.
19. Reboot the Primary Controller Card. The system will fail-over to the Back-up Controller Card and the
ACTIVE LED on the Back-up will come ON.
20. Test the Primary
Controller
’s function by performing a switching operation.
*To check and change the
‘date, time & time zone,’ see
Tech Support Bulletin 19-009B
, next page.
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