[srslte-users] Internet connection with ZeroMQ setting

[KENTARO SHIBATA]

Hello everyone!

Does anybody know is it possible to connect to the Internet with ZeroMQ
setting?

I'm testing a stand-alone srsLTE on a single raspberry pi 4 without RF
devices.
By following the instructions on ZeroMQ Application note
<https://docs.srslte.com/en/latest/app_notes/source/zeromq/source/index.html> I
managed to run srsUE, srsENB and srsEPC on my raspberry pi4.
Ping from srsUE to srsEPC(srs_spgw_sgi) is OK, but cannot to the Internet.

I tried the following steps but they don't work...
1. Enable packet forwarding on the raspberry pi by the script, `sudo
srsepc_if_masq eth0`
2. Add default static routing to UE's network namespace by `sudo ip netns
exec ue1 ip route add default via 172.16.0.1`

Looking through the pcap file captured on srs_spgw_sgi and ptable's log, it
seems packet comes to srs_spgw_sgi but not forwarded to default GW from
raspberry pi.

I appreciate your reading this mail!
Let me know if I need to show something like logs or messages...

Best regards,
Kentaro Shibata
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