[App_rpt-users] Voter RTCM sometimes offline-mode but not when there is a telnet connection

[Chuck Henderson]

Is the RTCM and the server on the same Ethernet LAN at the same location?
Are you using an Ethernet switch or a hub?
If you are using a switch then why are you not running everything full
duplex?

On Sat, May 21, 2016 at 3:02 PM, info at rainerbertsch.de <
info at rainerbertsch.de> wrote:

> Hi there,
>
> Since November, we are trying to build a voting system.
> We need some help please !
>
> Hardware:
> Supermicro Intel Atom D525 (we also tried a RaspberryPi and an other
> computer)
> Software: Since yesterday DIAL from Alllstar-Homepage (Before we tried it
> with ACID)
> RTCM from Micro Node, Mark, we have 4 of them and tried all of them
> Garmin GPS 18x LVC, also wie tried 4 of them.
>
> Error:
> More or less often the RTCM switch in the offline mode. When there is
> traffic very often.
> But not if at the same time there is a telnet connection from any computer
> to the  RTCM.
>
> We suspect a networking problem between our asterisk-server and RTCM
> Network-Card is set to 10 MB / s half-duplex like in the RTCM.
>
> From  tcpdump from server to rtcm we got:
>
> ——— snip ----------
>
> GPSTime (cli0_yy): 05/05/16 12:48:01.000000000
> SysTime: 05/05/16 12:48:01.040000
> DrainTime: 05/05/16 12:48:01.000
> Got GPS (cli0_yy): Lat: 4857.60N, Lon: 00915.01E, Elev: 214.4
> sending KEEPALIVE (GPS) packet to client cli2_bprx digest bbb4c643
> GPSTime (cli2_bprx): 05/05/16 12:48:01.000000000
> SysTime: 05/05/16 12:48:01.300000
> DrainTime: 05/05/16 12:48:01.240
> Got GPS (cli2_bprx): Lat: 4853.16N, Lon: 00912.65E, Elev: 317.2
> sending KEEPALIVE (GPS) packet to client cli0_yy digest 79d9c77d
> GPSTime (cli0_yy): 05/05/16 12:48:02.000000000
> SysTime: 05/05/16 12:48:02.040000
> DrainTime: 05/05/16 12:48:02.000
> Got GPS (cli0_yy): Lat: 4857.60N, Lon: 00915.01E, Elev: 214.4
> sending KEEPALIVE (GPS) packet to client cli2_bprx digest bbb4c643
> [May 512:48:03]NOTICE[6559]:chan_voter.c:3632voter_reader:Voter
>
> *lost master timing source!!*
>
> sending packet challenge 200371797 digest 7749985d password BLAH sending
> packet challenge 200371797 digest 7749985d password BLAH sending packet
> challenge 200371797 digest bbb4c643 password BLAH GPSTime (cli2_bprx):
> 05/05/16 12:48:18.000000000
>
> SysTime: 05/05/16 12:48:18.320000
> DrainTime: 01/01/70 01:00:00.340
> Got GPS (cli2_bprx): Lat: 4853.16N, Lon: 00912.65E, Elev: 317.2
>
> -- Voter client cli0_yy disconnect (timeout)
>
> sending KEEPALIVE (GPS) packet to client cli2_bprx digest bbb4c643
>
> ——— snip  ----------
>
> Konfiguration of the Ethernet-Card
>
> # ethtool eth0
> Settings for eth0:
> Supported ports: [TP]
> Supported link modes: 10baseT / Half 10baseT / Full
> 100baseT / Half 100baseT / Full
> 1000baseT / Full
> Supported break frame use: No
> Supports auto-negotiation: Yes
> Advertised link modes: Not reported
> Advertised break frame use: No
> Advertised auto-negotiation: No
> Speed: 10Mb / s
> Duplex: Half
> Port: Twisted Pair
> PHYAD: 1
> Transceiver: internal
> Auto-negotiation: off
> MDI-X: off (auto)
> Supports Wake-on: pumbg
> Wake-on: g
> Current message level: 0x00000007 (7)
> drv sample link
>
> Does anyone have an idea what it may be ?
> Why there is no problem with telnet at the same time and how can we run
> the system without this workaround
>
> --
> Rainer BertschDF3SY
>
>
>
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