* icmp @ 2016-04-01 18:42 folkert 2016-04-01 19:07 ` icmp folkert 0 siblings, 1 reply; 6+ messages in thread From: folkert @ 2016-04-01 18:42 UTC (permalink / raw) To: linux-hams Hi, This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. 64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms 64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms 64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms 64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms ^C --- 192.168.5.1 ping statistics --- 9 packets transmitted, 4 received, 55% packet loss, time 40005ms rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms Strange thing is that I need to add a -i something to ping; the regular 1 second ping confuses things (-i 2 also works). Software used: https://github.com/flok99/arduino-kiss Folkert van Heusden -- ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: icmp 2016-04-01 18:42 icmp folkert @ 2016-04-01 19:07 ` folkert 2016-04-01 19:41 ` icmp David Ranch 0 siblings, 1 reply; 6+ messages in thread From: folkert @ 2016-04-01 19:07 UTC (permalink / raw) To: linux-hams An other strange thing: I can't have 2 packets in that 2 second interval. E.g. a traceroute only works if I add -N 1 -w 2. On Fri, Apr 01, 2016 at 08:42:26PM +0200, folkert wrote: > Hi, > > This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! > > root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 > PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. > 64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms > 64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms > 64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms > 64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms > ^C > --- 192.168.5.1 ping statistics --- > 9 packets transmitted, 4 received, 55% packet loss, time 40005ms > rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms > > > Strange thing is that I need to add a -i something to ping; the regular > 1 second ping confuses things (-i 2 also works). > > Software used: https://github.com/flok99/arduino-kiss > > > Folkert van Heusden > > -- > ---------------------------------------------------------------------- > Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com > -- > To unsubscribe from this list: send the line "unsubscribe linux-hams" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Folkert van Heusden -- MultiTail ist eine flexible Applikation um Logfiles und Kommando Eingaben zu überprüfen. Inkl. Filter, Farben, Zusammenführen, Ansichten etc. http://www.vanheusden.com/multitail/ ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com -- To unsubscribe from this list: send the line "unsubscribe linux-hams" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: icmp 2016-04-01 19:07 ` icmp folkert @ 2016-04-01 19:41 ` David Ranch 2016-04-01 20:14 ` icmp folkert 0 siblings, 1 reply; 6+ messages in thread From: David Ranch @ 2016-04-01 19:41 UTC (permalink / raw) To: folkert, linux-hams This is because you have your window setting per the /etc/ax25/axports file set to 1. Change it to say 4 and things should work better. Btw.. what speed are you running your LoRa network at? A round trip time of 1.6 seconds is quite slow but maybe that's due to the serialization delays of running your network at say 300bps! --David On 04/01/2016 12:07 PM, folkert wrote: > An other strange thing: I can't have 2 packets in that 2 second > interval. E.g. a traceroute only works if I add -N 1 -w 2. > > On Fri, Apr 01, 2016 at 08:42:26PM +0200, folkert wrote: >> Hi, >> >> This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! >> >> root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 >> PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. >> 64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms >> 64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms >> 64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms >> 64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms >> ^C >> --- 192.168.5.1 ping statistics --- >> 9 packets transmitted, 4 received, 55% packet loss, time 40005ms >> rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: icmp 2016-04-01 19:41 ` icmp David Ranch @ 2016-04-01 20:14 ` folkert 2016-04-01 21:46 ` icmp David Ranch 0 siblings, 1 reply; 6+ messages in thread From: folkert @ 2016-04-01 20:14 UTC (permalink / raw) To: David Ranch; +Cc: linux-hams Ah darn, of course! Thanks. Regarding the lora configuration: a friend of mine gave me the configuration-parameters for best reliability for a long distance: const RH_RF95::ModemConfig cfg = { // Register 0x1D: // BW CR 0=explicit (8 << 4) | (4 << 1) | (0 << 0), // Register 0x1E: // SF CRC enable (10 << 4) | (1 << 2), // Register 0x26: // bit3 = LowDataRateOptimization (0 << 3) }; rf95.setModemRegisters(&cfg); rf95.setFrequency(869.850); rf95.setPreambleLength(8); Packet loss is 12-15%. On Fri, Apr 01, 2016 at 12:41:59PM -0700, David Ranch wrote: > > This is because you have your window setting per the /etc/ax25/axports file > set to 1. Change it to say 4 and things should work better. > > Btw.. what speed are you running your LoRa network at? A round trip time of > 1.6 seconds is quite slow but maybe that's due to the serialization delays > of running your network at say 300bps! > > --David > > > On 04/01/2016 12:07 PM, folkert wrote: > >An other strange thing: I can't have 2 packets in that 2 second > >interval. E.g. a traceroute only works if I add -N 1 -w 2. > > > >On Fri, Apr 01, 2016 at 08:42:26PM +0200, folkert wrote: > >>Hi, > >> > >>This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! > >> > >>root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 > >>PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. > >>64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms > >>64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms > >>64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms > >>64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms > >>^C > >>--- 192.168.5.1 ping statistics --- > >>9 packets transmitted, 4 received, 55% packet loss, time 40005ms > >>rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms Folkert van Heusden -- Winnen in de staatsloterij? Check htp://vanheusden.com/sl.php voor alle staatsloterij-uitslag statistieken denkbaar en zelfs ook een paar win-tips! ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: icmp 2016-04-01 20:14 ` icmp folkert @ 2016-04-01 21:46 ` David Ranch 2016-04-08 11:40 ` icmp folkert 0 siblings, 1 reply; 6+ messages in thread From: David Ranch @ 2016-04-01 21:46 UTC (permalink / raw) To: folkert; +Cc: linux-hams Considering I have no experience with some of these LoRa data modules, what is this resulting in terms of modulation type, data rate and over what kind of distance? --David KI6ZHD On 04/01/2016 01:14 PM, folkert wrote: > Ah darn, of course! > Thanks. > > Regarding the lora configuration: a friend of mine gave me the > configuration-parameters for best reliability for a long distance: > > const RH_RF95::ModemConfig cfg = { > // Register 0x1D: > // BW CR 0=explicit > (8 << 4) | (4 << 1) | (0 << 0), > // Register 0x1E: > // SF CRC enable > (10 << 4) | (1 << 2), > // Register 0x26: > // bit3 = LowDataRateOptimization > (0 << 3) > }; > rf95.setModemRegisters(&cfg); > rf95.setFrequency(869.850); > rf95.setPreambleLength(8); > > Packet loss is 12-15%. > > > On Fri, Apr 01, 2016 at 12:41:59PM -0700, David Ranch wrote: >> >> This is because you have your window setting per the /etc/ax25/axports file >> set to 1. Change it to say 4 and things should work better. >> >> Btw.. what speed are you running your LoRa network at? A round trip time of >> 1.6 seconds is quite slow but maybe that's due to the serialization delays >> of running your network at say 300bps! >> >> --David >> >> >> On 04/01/2016 12:07 PM, folkert wrote: >>> An other strange thing: I can't have 2 packets in that 2 second >>> interval. E.g. a traceroute only works if I add -N 1 -w 2. >>> >>> On Fri, Apr 01, 2016 at 08:42:26PM +0200, folkert wrote: >>>> Hi, >>>> >>>> This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! >>>> >>>> root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 >>>> PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. >>>> 64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms >>>> 64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms >>>> 64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms >>>> 64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms >>>> ^C >>>> --- 192.168.5.1 ping statistics --- >>>> 9 packets transmitted, 4 received, 55% packet loss, time 40005ms >>>> rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms > > > Folkert van Heusden > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: icmp 2016-04-01 21:46 ` icmp David Ranch @ 2016-04-08 11:40 ` folkert 0 siblings, 0 replies; 6+ messages in thread From: folkert @ 2016-04-08 11:40 UTC (permalink / raw) To: David Ranch; +Cc: linux-hams "Volgens mij gebruik je instellingen SF=10 en BW=250000. Je stuurt dan BW/(2^SF) symbolen per seconde = 244 symbool/s Elk symbool codeert voor 10 bitjes, dus 2440 bits/seconde. Maar je spendeert ook weer de helft van je bitjes aan errorcorrectie, dus effectief ca 1220 bps. Verder zit er in elk LoRa pakketje een beetje overhead aan headers, preamble, CRC, etc." To translate this: 2440 bits/sec minus error correction is around 1220 bps and then a bit less for headers, preamble, crc, etc. On Fri, Apr 01, 2016 at 02:46:09PM -0700, David Ranch wrote: > > Considering I have no experience with some of these LoRa data modules, what > is this resulting in terms of modulation type, data rate and over what kind > of distance? > > --David > KI6ZHD > > > On 04/01/2016 01:14 PM, folkert wrote: > >Ah darn, of course! > >Thanks. > > > >Regarding the lora configuration: a friend of mine gave me the > >configuration-parameters for best reliability for a long distance: > > > >const RH_RF95::ModemConfig cfg = { > > // Register 0x1D: > > // BW CR 0=explicit > > (8 << 4) | (4 << 1) | (0 << 0), > > // Register 0x1E: > > // SF CRC enable > > (10 << 4) | (1 << 2), > > // Register 0x26: > > // bit3 = LowDataRateOptimization > > (0 << 3) > > }; > > rf95.setModemRegisters(&cfg); > > rf95.setFrequency(869.850); > > rf95.setPreambleLength(8); > > > >Packet loss is 12-15%. > > > > > >On Fri, Apr 01, 2016 at 12:41:59PM -0700, David Ranch wrote: > >> > >>This is because you have your window setting per the /etc/ax25/axports file > >>set to 1. Change it to say 4 and things should work better. > >> > >>Btw.. what speed are you running your LoRa network at? A round trip time of > >>1.6 seconds is quite slow but maybe that's due to the serialization delays > >>of running your network at say 300bps! > >> > >>--David > >> > >> > >>On 04/01/2016 12:07 PM, folkert wrote: > >>>An other strange thing: I can't have 2 packets in that 2 second > >>>interval. E.g. a traceroute only works if I add -N 1 -w 2. > >>> > >>>On Fri, Apr 01, 2016 at 08:42:26PM +0200, folkert wrote: > >>>>Hi, > >>>> > >>>>This evening I succeeded in doing ICMP over AX.25 over LoRa(!)! > >>>> > >>>>root@savannah:~/data/mkiss_moteino# ping -i 5 192.168.5.1 > >>>>PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. > >>>>64 bytes from 192.168.5.1: icmp_seq=4 ttl=64 time=4524 ms > >>>>64 bytes from 192.168.5.1: icmp_seq=7 ttl=64 time=1601 ms > >>>>64 bytes from 192.168.5.1: icmp_seq=8 ttl=64 time=1601 ms > >>>>64 bytes from 192.168.5.1: icmp_seq=9 ttl=64 time=1601 ms > >>>>^C > >>>>--- 192.168.5.1 ping statistics --- > >>>>9 packets transmitted, 4 received, 55% packet loss, time 40005ms > >>>>rtt min/avg/max/mdev = 1601.358/2332.248/4524.246/1265.550 ms > > > > > >Folkert van Heusden > > Folkert van Heusden -- Nagios user? Check out CoffeeSaint - the versatile Nagios status viewer! http://www.vanheusden.com/java/CoffeeSaint/ ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-04-08 11:40 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2016-04-01 18:42 icmp folkert 2016-04-01 19:07 ` icmp folkert 2016-04-01 19:41 ` icmp David Ranch 2016-04-01 20:14 ` icmp folkert 2016-04-01 21:46 ` icmp David Ranch 2016-04-08 11:40 ` icmp folkert
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.