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When trying to establish a VDSL connection between a 80F-DSL FortiGate with an inbuilt modem, there are sometimes issues with the DSL link not establishing.
In order to troubleshoot the issue further, run the following debug commands:
diagnose debug reset
diag debug console timestamp enable
diagnose debug application dsl -1
diagnose debug enable
To stop the debugging:
diagnose debug disable
diagnose debug reset
Sometimes, a German ISP provider such as Deutsche Telecom is in use and the DSL negotiation fails in the early stages:
2024-07-09 06:27:16 adsl2plus_status_ecnt: retcode=success, linkStatus=down
2024-07-09 06:27:16 DSL WAN IP: 0.0.0.0
2024-07-09 06:27:16 DSL intf IP lost. Reset timeout remained=0
2024-07-09 06:27:16 adsl2plus_check_status begin reconfig....
2024-07-09 06:27:16 adsl2plus_sync_ecnt:
2024-07-09 06:27:16 adsl2plus_check_status done reconfig.
2024-07-09 06:27:16 adsl2plus_check_status[1435]: R[1]V[0]L[0] S[0]U[0]
2024-07-09 06:27:16 adsl2plus_check_status[1437]: ADSL's link is down
2024-07-09 06:27:16 adsl2plus_check_status[1438]: Data link is down
In cases like this, test with the following settings:
config system interface
edit <dsl>
set phy-mode vdsl2
set tc-mode ptm
set annex b
end
After performing this change, the data link should go up. |
