OSMOCOM TRX_BTS_BSC Connection Issue

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Vadim Yanitskiy axilirator at gmail.com
Thu Apr 9 12:38:45 UTC 2020


Hi again,

> Hence, I took a wire shark trace test.pcap.

I see ICMP Destination Unreachable messages in your captures:

>    3   0.010926    127.0.0.1 → 127.0.0.1    OsmoTRXC 55 CMD POWEROFF
>    4   0.010938    127.0.0.1 → 127.0.0.1    ICMP 83 Destination unreachable (Port unreachable)
>  145   2.011000    127.0.0.1 → 127.0.0.1    OsmoTRXC 55 CMD POWEROFF
>  146   2.011016    127.0.0.1 → 127.0.0.1    ICMP 83 Destination unreachable (Port unreachable)
>  185   4.011062    127.0.0.1 → 127.0.0.1    OsmoTRXC 55 CMD POWEROFF
>  186   4.011144    127.0.0.1 → 127.0.0.1    OsmoTRXC 57 RSP POWEROFF 0
>  239  18.099625    127.0.0.1 → 127.0.0.1    OsmoTRXC 55 CMD POWEROFF
>  240  18.099703    127.0.0.1 → 127.0.0.1    OsmoTRXC 57 RSP POWEROFF 0
>  269  35.349196    127.0.0.1 → 127.0.0.1    OsmoTRXC 55 CMD POWEROFF
>  270  35.349271    127.0.0.1 → 127.0.0.1    OsmoTRXC 57 RSP POWEROFF 0

Perhaps you're starting osmo-bts-trx before osmo-trx? Make sure to
start osmo-trx first and give it enough time to upload the UHD
firmware, unless you see "Transceiver active with X channel(s)".

With best regards,
Vadim Yanitskiy.



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