...
The CBR400 sends log messages to the syslog on "flux". The 4G modem is known as "WAN:9d7c85c4". The logs show "carrier reject"., and that it reverts back to 1XRTT (2G):
Code Block | ||
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| ||
fgrep CBR /var/log/messages | fgrep 5c4 May 28 16:45:12 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4: Connection Change : None -> EVDO, % May 28 16:45:12 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4: Connect Event: carrier reject May 28 16:45:12 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4.CPPM: state=connecting result=carrier reject May 28 16:45:19 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4: Connect Event: carrier reject May 28 16:45:19 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4.CPPM: state=connecting result=carrier reject May 28 16:45:44 cbr400.isfs.ucar.edu (CBR400-afa) WAN:9d7c85c4: Connection Change : EVDO -> 1XRTT, % |
...
state | download | upload | latency |
---|---|---|---|
3G connected, 4G disabled | 413,444 | 380,309 | 121,107 |
4G connected (1xRTT), 3G disabled | 58 | 127 | 485 |
Until we can get the 4G modem to do better than 1xRTT, we'll use the 3G and disable the 4G.
Here is the display of Status -> Internet Connections -> "Modem: Novatel Wireless CDMA":So the 3G is working better than the 4G currently.