[Ninux-Wireless] Malfunzionamento link Scorpius01-Scorpius02
Salvatore Tringale
tringale1979 a gmail.com
Lun 7 Apr 2014 11:08:35 CEST
Un aggiornamento... il mio dubbio è stato confermato i problemi erano due.
Sono salito sul tetto ed ho testato i cavi di rete, ho iniziato dagli
ultimi su cui avevo smanettato ma erano perfetti, alla fine era una
giunzione maschio-femmina in una scatola stagna che non aprivo da
almeno 6 mesi... legge di murpy a go go...bah!
Il difetto specifico era la mancanza di segnale sul pin 2, ecco
spiegata l'enorme perdita di pacchetti.
Ora il link è molto più stabile, rimane il super affollamento dei
canali e su questo ora mi concentrerò.
Triky
Il 04 aprile 2014 19:53, Alessandro (aka ArkaNet)
<arkantiko a gmail.com> ha scritto:
> BONI TUTTI :D
>
> Mi sono largamente impicciato io ...
> Ok Savè, ho fatto un papocchio vedendo altri apparati dove non centrava
> nulla Scooreggione
>
> La wiki non l'ho toccata.
>
> --
> Arka
>
>
>
> Il giorno 04 aprile 2014 17:12, Saverio Proto <zioproto a gmail.com> ha
> scritto:
>
>> Il pacchetto che ho postato lascia il canale 14 disabilitato.
>>
>> Ho visto che qualcuno ha modificato il Wiki di Scooreggione. Per
>> capirsi in Scooreggione quel pacchetto e' gia incluso, non serve
>> installarlo dopo a mano
>>
>> Saverio
>>
>> Il 04 aprile 2014 15:03, Alessandro (aka ArkaNet)
>> <arkantiko a gmail.com> ha scritto:
>> > Domanda sciocca, forse superflua ... hai mica provato a riavviare i
>> > device
>> > dopo la patch?
>> > Finché vedrai 'disabled' sul ch14 mi sa che non ti ci farà andare ;)
>> >
>> > Prova a fargli un reboot (anche elettrico se serve) e vedi se si
>> > abilita,
>> > grazie @Saverio che s'è ricordato della patch !
>> >
>> > --
>> > Arka
>> >
>> >
>> >
>> > Il giorno 04 aprile 2014 13:55, Salvatore Tringale
>> > <tringale1979 a gmail.com>
>> > ha scritto:
>> >
>> >> Grazie Saverio per il link! L'ho installato e l'output di iw list mi
>> >> sembra uguale, ho comunque verificato che è installato correttamente e
>> >> che nelle impostazioni WI-FI (luci) sono cambiate le opzioni e le
>> >> soglie di potenza.
>> >>
>> >> In coda al messaggio metto l'output.
>> >>
>> >> Per rispetto di voi che mi aiutate, e non intasare la lista, sto
>> >> provando ad attivare TINC su Norimberga Ninux, spero di riuscirci.
>> >>
>> >> Ora mi studio meglio l'intasamento dei canali attorno a me e scelgo
>> >> potenza e canale per fare ulteriori test.
>> >> Come prima cosa seguo la dritta di Alessandro e mi butto sul CH 14
>> >>
>> >> Ho comunque notato che le prestazioni variano tra notte e giorno, di
>> >> notte va meglio. Ho fatto quindi una marea di ping ad orari diversi su
>> >> canali diversi ed ho il forte dubbio di avere due problemi in
>> >> contemporanea ovvero da una parte forte interferenza radio e
>> >> dall'altra nel cavo LAN che collega uno dei nodi al router adsl forse
>> >> non mi son venuti bene i plug o fanno falso contatto. Questa domenica
>> >> provo a cambiare questo spezzone di filo sul palo e vediamo se cambia
>> >> qualcosa.
>> >>
>> >> ----------------
>> >> PRIMA
>> >> root a Scorpius01:~# iw list | grep MH
>> >> * 2412 MHz [1] (30.0 dBm)
>> >> * 2417 MHz [2] (30.0 dBm)
>> >> * 2422 MHz [3] (30.0 dBm)
>> >> * 2427 MHz [4] (30.0 dBm)
>> >> * 2432 MHz [5] (30.0 dBm)
>> >> * 2437 MHz [6] (30.0 dBm)
>> >> * 2442 MHz [7] (30.0 dBm)
>> >> * 2447 MHz [8] (30.0 dBm)
>> >> * 2452 MHz [9] (30.0 dBm)
>> >> * 2457 MHz [10] (30.0 dBm)
>> >> * 2462 MHz [11] (30.0 dBm)
>> >> * 2467 MHz [12] (30.0 dBm)
>> >> * 2472 MHz [13] (30.0 dBm)
>> >> * 2484 MHz [14] (disabled)
>> >> * short GI for 40 MHz
>> >>
>> >> DOPO
>> >> root a Scorpius01:~# iw list | grep MH
>> >> * 2412 MHz [1] (30.0 dBm)
>> >> * 2417 MHz [2] (30.0 dBm)
>> >> * 2422 MHz [3] (30.0 dBm)
>> >> * 2427 MHz [4] (30.0 dBm)
>> >> * 2432 MHz [5] (30.0 dBm)
>> >> * 2437 MHz [6] (30.0 dBm)
>> >> * 2442 MHz [7] (30.0 dBm)
>> >> * 2447 MHz [8] (30.0 dBm)
>> >> * 2452 MHz [9] (30.0 dBm)
>> >> * 2457 MHz [10] (30.0 dBm)
>> >> * 2462 MHz [11] (30.0 dBm)
>> >> * 2467 MHz [12] (30.0 dBm)
>> >> * 2472 MHz [13] (30.0 dBm)
>> >> * 2484 MHz [14] (disabled)
>> >> * short GI for 40 MHz
>> >> root a Scorpius01:~#
>> >> --------------------
>> >>
>> >> PRIMA
>> >> root a Scorpius02:~# iw list | grep MH
>> >> * 2412 MHz [1] (30.0 dBm)
>> >> * 2417 MHz [2] (30.0 dBm)
>> >> * 2422 MHz [3] (30.0 dBm)
>> >> * 2427 MHz [4] (30.0 dBm)
>> >> * 2432 MHz [5] (30.0 dBm)
>> >> * 2437 MHz [6] (30.0 dBm)
>> >> * 2442 MHz [7] (30.0 dBm)
>> >> * 2447 MHz [8] (30.0 dBm)
>> >> * 2452 MHz [9] (30.0 dBm)
>> >> * 2457 MHz [10] (30.0 dBm)
>> >> * 2462 MHz [11] (30.0 dBm)
>> >> * 2467 MHz [12] (30.0 dBm)
>> >> * 2472 MHz [13] (30.0 dBm)
>> >> * 2484 MHz [14] (disabled)
>> >> * short GI for 40 MHz
>> >> root a Scorpius02:~#
>> >>
>> >> DOPO
>> >> root a Scorpius02:~# iw list | grep MH
>> >> * 2412 MHz [1] (30.0 dBm)
>> >> * 2417 MHz [2] (30.0 dBm)
>> >> * 2422 MHz [3] (30.0 dBm)
>> >> * 2427 MHz [4] (30.0 dBm)
>> >> * 2432 MHz [5] (30.0 dBm)
>> >> * 2437 MHz [6] (30.0 dBm)
>> >> * 2442 MHz [7] (30.0 dBm)
>> >> * 2447 MHz [8] (30.0 dBm)
>> >> * 2452 MHz [9] (30.0 dBm)
>> >> * 2457 MHz [10] (30.0 dBm)
>> >> * 2462 MHz [11] (30.0 dBm)
>> >> * 2467 MHz [12] (30.0 dBm)
>> >> * 2472 MHz [13] (30.0 dBm)
>> >> * 2484 MHz [14] (disabled)
>> >> * short GI for 40 MHz
>> >>
>> >> Il 03 aprile 2014 21:49, Alessandro (aka ArkaNet)
>> >> <arkantiko a gmail.com> ha scritto:
>> >> > Mettete l'ultima versione di openwrt oppure Scooreggione e provate
>> >> > sul
>> >> > ch14
>> >> > ;)
>> >> >
>> >> > Io sui canali standard faccio anche 2.5 km anche avendo una 30ina di
>> >> > ssid
>> >> > 'abbastanza' forti da poter disturbare.
>> >> >
>> >> > --
>> >> > Arka
>> >> >
>> >> >
>> >> >
>> >> > Il giorno 03 aprile 2014 16:23, Andrea Pescetelli
>> >> > <andrea.pescetelli a gmail.com> ha scritto:
>> >> >
>> >> >> Si me ne sono reso conto dopo che non lo usavi.
>> >> >> Tutte le istruzioni che ti ho dato sono per AirOs
>> >> >> Come non detto.
>> >> >> Divertiti!
>> >> >>
>> >> >> Il 03/apr/2014 16:20 "Salvatore Tringale" <tringale1979 a gmail.com>
>> >> >> ha
>> >> >> scritto:
>> >> >>
>> >> >>> Andrea:
>> >> >>> - AirOS non lo voglio usare perchè ho scoperto che non supporta la
>> >> >>> modalità Ad-Hoc e poi OpenWRT mi da più soddisfazione ! :-)
>> >> >>> - La voce EIRP non ho trovato dove sta o deve installarla, dove
>> >> >>> dici
>> >> >>> di
>> >> >>> fare "advanced e flagga :install eirp control"?
>> >> >>>
>> >> >>> Federico:
>> >> >>> vista la situazione ridurre il canale puo' far comodo, ma in che
>> >> >>> modo
>> >> >>> oltre htmode=HT20, mi puoi dare qualche info per fare una ricerca
>> >> >>> su
>> >> >>> questo
>> >> >>> argomento?
>> >> >>>
>> >> >>> I nodi sono in pieno centro città, facendo un site survey ho visto
>> >> >>> che
>> >> >>> sommando le reti viste dai due nodi, sul canale 11 sono 40 reti.
>> >> >>> Mi sono fatto uno schema di tutte le reti suddivise per canale ed
>> >> >>> ho
>> >> >>> visto che i canali teoricamente più liberi sono 8-9 e 4-5
>> >> >>>
>> >> >>> durante la configurazione dei nodi già mi avevate dato questi
>> >> >>> consigli:
>> >> >>> - wireless.radio0.txpower=27 di scenderla a 20 (per non sparare la
>> >> >>> radio
>> >> >>> al massimo che potrebbe distorcersi), come via di mezzo l'ho messa
>> >> >>> a
>> >> >>> 23
>> >> >>> - wireless.radio0.country=IT è ininfluente ma mi han detto di
>> >> >>> lasciarla
>> >> >>> US giusto nel dubbio.
>> >> >>> - wireless.radio0.htmode=HT40+ essendo la zona affollata meglio
>> >> >>> restringere il canale lasciando HT20, inoltre - ht40+ non funziona
>> >> >>> bene con
>> >> >>> ad-hoc.
>> >> >>> - wireless.radio0.distance=1000 farlo diventare 250, ed ho messo
>> >> >>> 300
>> >> >>> come
>> >> >>> via di mezzo (la distanza reale sono 200 300 metri)
>> >> >>>
>> >> >>> La cosa strana è che uscendo sul web, certi momenti va lento, certi
>> >> >>> momenti è irragiungibile, certi momenti va bene.
>> >> >>> La potenza del link è buona: da 85 a 89% ma il bitrate varia da 26
>> >> >>> a
>> >> >>> 65mbit/s
>> >> >>>
>> >> >>> Non capisco poi perché mi segnala che cambia canale da solo, se
>> >> >>> nelle
>> >> >>> proprietà Wifi metto qualcosa diverso da canale 11, in Status
>> >> >>> Overview
>> >> >>> vedo
>> >> >>> che cambia da solo, un colpo 4 un colpo 6 un colpo 9!
>> >> >>> Ma allora la modalità channel = AUTO e che diamine serve?
>> >> >>>
>> >> >>> Grazie delle dritte
>> >> >>>
>> >> >>> Triky
>> >> >>>
>> >> >>>
>> >> >>> Il giorno 03 aprile 2014 09:15, federico la morgia
>> >> >>> <super_treje a hotmail.com> ha scritto:
>> >> >>>>
>> >> >>>> Con openwrt qual è il canale più alto che puoi utilizzare anche
>> >> >>>> non
>> >> >>>> standard ?
>> >> >>>> In airos c'è la modalità channel shifting, vedi se riesci ad dalle
>> >> >>>> frequenze affollate o a ridurre la larghezza di canale.
>> >> >>>>
>> >> >>>> --- Messaggio originale ---
>> >> >>>>
>> >> >>>> Da: "Salvatore Tringale" <tringale1979 a gmail.com>
>> >> >>>> Inviata: 03 aprile 2014 04:49
>> >> >>>> A: wireless a ml.ninux.org
>> >> >>>> Oggetto: Re: [Ninux-Wireless] Malfunzionamento link
>> >> >>>> Scorpius01-Scorpius02
>> >> >>>>
>> >> >>>> Oltre la descrizione di Massimiliano aggiungo che cambiando il
>> >> >>>> canale
>> >> >>>> da
>> >> >>>> 11 a qualsiasi altro es. 8, andando poi con LuCI su Status nel
>> >> >>>> riepilogo
>> >> >>>> della connessione wi-fi da canali sempre diversi, un colpo 6 un
>> >> >>>> colpo
>> >> >>>> 4,
>> >> >>>> come se li cambia in automatico, è normale?
>> >> >>>>
>> >> >>>> aggiungo i file di configurazione ed una lista di ping alle
>> >> >>>> interfacce
>> >> >>>>
>> >> >>>> root a Scorpius01:~# uci show /etc/config/network
>> >> >>>> network.loopback=interface
>> >> >>>> network.loopback.ifname=lo
>> >> >>>> network.loopback.proto=static
>> >> >>>> network.loopback.ipaddr=127.0.0.1
>> >> >>>> network.loopback.netmask=255.0.0.0
>> >> >>>> network.lan=interface
>> >> >>>> network.lan.proto=static
>> >> >>>> network.lan.ipaddr=192.168.2.2
>> >> >>>> network.lan.netmask=255.255.255.0
>> >> >>>> network.lan.type=bridge
>> >> >>>> network.lan._orig_ifname=eth0
>> >> >>>> network.lan._orig_bridge=true
>> >> >>>> network.lan.ifname=eth0
>> >> >>>> network.backbone=interface
>> >> >>>> network.backbone.proto=static
>> >> >>>> network.backbone.ipaddr=172.16.1.1
>> >> >>>> network.backbone.netmask=255.255.0.0
>> >> >>>> network.backbone.ifname=wlan0
>> >> >>>> network.backbone.gateway=172.16.1.2
>> >> >>>> network.backbone.dns=172.16.1.2
>> >> >>>>
>> >> >>>> root a Scorpius01:~# uci show /etc/config/wireless
>> >> >>>> wireless.radio0=wifi-device
>> >> >>>> wireless.radio0.type=mac80211
>> >> >>>> wireless.radio0.hwmode=11ng
>> >> >>>> wireless.radio0.macaddr=00:15:6d:7c:f1:81
>> >> >>>> wireless.radio0.htmode=HT20
>> >> >>>> wireless.radio0.ht_capab=SHORT-GI-40 TX-STBC RX-STBC1 DSSS_CCK-40
>> >> >>>> wireless.radio0.disabled=0
>> >> >>>> wireless.radio0.country=US
>> >> >>>> wireless.radio0.txpower=23
>> >> >>>> wireless.radio0.distance=300
>> >> >>>> wireless.radio0.channel=11
>> >> >>>> wireless. a wifi-iface[0]=wifi-iface
>> >> >>>> wireless. a wifi-iface[0].device=radio0
>> >> >>>> wireless. a wifi-iface[0].encryption=none
>> >> >>>> wireless. a wifi-iface[0].mode=adhoc
>> >> >>>> wireless. a wifi-iface[0].network=backbone
>> >> >>>> wireless. a wifi-iface[0].ssid=NEAPOLIS
>> >> >>>>
>> >> >>>> --------------
>> >> >>>>
>> >> >>>> root a Scorpius02:~# uci show /etc/config/network
>> >> >>>> network.loopback=interface
>> >> >>>> network.loopback.ifname=lo
>> >> >>>> network.loopback.proto=static
>> >> >>>> network.loopback.ipaddr=127.0.0.1
>> >> >>>> network.loopback.netmask=255.0.0.0
>> >> >>>> network.lan=interface
>> >> >>>> network.lan.proto=static
>> >> >>>> network.lan.netmask=255.255.255.0
>> >> >>>> network.lan.ipaddr=192.168.0.253
>> >> >>>> network.lan.gateway=192.168.0.1
>> >> >>>> network.lan._orig_ifname=eth0
>> >> >>>> network.lan._orig_bridge=true
>> >> >>>> network.lan.ifname=eth0
>> >> >>>> network.lan.dns=192.168.0.1
>> >> >>>> network.lan.type=bridge
>> >> >>>> network.backbone=interface
>> >> >>>> network.backbone.proto=static
>> >> >>>> network.backbone.netmask=255.255.0.0
>> >> >>>> network.backbone.ipaddr=172.16.1.2
>> >> >>>> network.backbone._orig_ifname=wlan0
>> >> >>>> network.backbone._orig_bridge=true
>> >> >>>> network.backbone.gateway=192.168.0.253
>> >> >>>> network.backbone.dns=192.168.0.253
>> >> >>>>
>> >> >>>> root a Scorpius02:~# uci show /etc/config/wireless
>> >> >>>> wireless.radio0=wifi-device
>> >> >>>> wireless.radio0.type=mac80211
>> >> >>>> wireless.radio0.hwmode=11ng
>> >> >>>> wireless.radio0.macaddr=00:15:6d:7c:f0:c8
>> >> >>>> wireless.radio0.htmode=HT20
>> >> >>>> wireless.radio0.ht_capab=SHORT-GI-40 TX-STBC RX-STBC1 DSSS_CCK-40
>> >> >>>> wireless.radio0.disabled=0
>> >> >>>> wireless.radio0.country=US
>> >> >>>> wireless.radio0.txpower=23
>> >> >>>> wireless.radio0.distance=300
>> >> >>>> wireless.radio0.channel=11
>> >> >>>> wireless. a wifi-iface[0]=wifi-iface
>> >> >>>> wireless. a wifi-iface[0].device=radio0
>> >> >>>> wireless. a wifi-iface[0].encryption=none
>> >> >>>> wireless. a wifi-iface[0].mode=adhoc
>> >> >>>> wireless. a wifi-iface[0].network=backbone
>> >> >>>> wireless. a wifi-iface[0].ssid=NEAPOLIS
>> >> >>>>
>> >> >>>> ------------
>> >> >>>>
>> >> >>>> Scorpius02 ping -> SE STESSO
>> >> >>>> 172.16.1.2 = 5 packets transmitted, 5 packets received, 0% packet
>> >> >>>> loss
>> >> >>>> 192.168.0.253 = 5 packets transmitted, 5 packets received, 0%
>> >> >>>> packet
>> >> >>>> loss
>> >> >>>>
>> >> >>>> Scorpius02 ping -> 192.168.0.1 (router adsl)
>> >> >>>> --- 192.168.0.1 ping statistics ---
>> >> >>>> 5 packets transmitted, 3 packets received, 40% packet loss
>> >> >>>> round-trip min/avg/max = 0.778/0.814/0.884 ms
>> >> >>>>
>> >> >>>> Scorpius02 ping -> openwrt.org
>> >> >>>> --- openwrt.org ping statistics ---
>> >> >>>> 5 packets transmitted, 3 packets received, 40% packet loss
>> >> >>>> round-trip min/avg/max = 140.673/141.397/141.911 ms
>> >> >>>>
>> >> >>>> Scorpius02 ping -> 172.16.1.1
>> >> >>>> --- 172.16.1.1 ping statistics ---
>> >> >>>> 5 packets transmitted, 5 packets received, 0% packet loss
>> >> >>>>
>> >> >>>> Scorpius02 ping -> 192.168.2.2
>> >> >>>> --- 192.168.2.2 ping statistics ---
>> >> >>>> 5 packets transmitted, 5 packets received, 0% packet loss
>> >> >>>> round-trip min/avg/max = 1.320/2.456/4.735 ms
>> >> >>>>
>> >> >>>> -----------
>> >> >>>>
>> >> >>>> Scorpius01 ping -> openwrt.org
>> >> >>>> --- openwrt.org ping statistics ---
>> >> >>>> 5 packets transmitted, 2 packets received, 60% packet loss
>> >> >>>> round-trip min/avg/max = 140.522/140.725/140.928 ms
>> >> >>>>
>> >> >>>> Scorpius01 ping -> SE STESSO
>> >> >>>> 172.16.1.1 = 5 packets transmitted, 5 packets received, 0% packet
>> >> >>>> loss
>> >> >>>> 192.168.2.2 = 5 packets transmitted, 5 packets received, 0% packet
>> >> >>>> loss
>> >> >>>>
>> >> >>>> Scorpius01 ping -> 172.16.1.2
>> >> >>>> --- 172.16.1.2 ping statistics ---
>> >> >>>> 5 packets transmitted, 5 packets received, 0% packet loss
>> >> >>>> round-trip min/avg/max = 1.470/3.177/6.091 ms
>> >> >>>>
>> >> >>>> Scorpius01 ping -> 192.168.0.253
>> >> >>>> --- 192.168.0.253 ping statistics ---
>> >> >>>> 5 packets transmitted, 5 packets received, 0% packet loss
>> >> >>>> round-trip min/avg/max = 1.340/3.507/8.545 ms
>> >> >>>>
>> >> >>>>
>> >> >>>> Il giorno 02 aprile 2014 13:44, Massimiliano CARNEMOLLA
>> >> >>>> <massimiliano a null.net> ha scritto:
>> >> >>>>
>> >> >>>> Ciao, inizialmente i 2 nodi a 2.4 GHZ (antenne omnidirezionali a
>> >> >>>> 360°
>> >> >>>> polarizzazione circolare) giravano con MeOS 0.2.4 e apparentemente
>> >> >>>> non
>> >> >>>> davano alcun problema (l'unica eccezione e' che smettevano di
>> >> >>>> funzionare
>> >> >>>> mentre gestivano traffico P2P (torrent, emule etc) proveniente da
>> >> >>>> Internet.
>> >> >>>>
>> >> >>>> Sono stati flashati con OpenWRT e non si riusciva ad uscire su
>> >> >>>> Internet.
>> >> >>>> Pingando gli IP della WLAN non dava alcun problema.
>> >> >>>> Pingando gli IP della LAN o ad es. ninux.org o qualsiasi altro
>> >> >>>> dominio
>> >> >>>> perdeva tra il 50% ed il 75% dei pacchetti.
>> >> >>>>
>> >> >>>> Cambiando il canale wireless da 11 a 8 (dopo aver verificato su
>> >> >>>> entrambi
>> >> >>>> i nodi quelli meno impegnati da altre reti e su quest'ultimi
>> >> >>>> quelli
>> >> >>>> che
>> >> >>>> avevano canali adiacenti meno impegnati) il problema sembrava
>> >> >>>> risolto, tutto
>> >> >>>> funzionava perfettamente.
>> >> >>>>
>> >> >>>> Adesso lo stesso problema si presenta anche sul canale 8, in certi
>> >> >>>> momenti funziona in altri no.
>> >> >>>> Si sono provati altri canali ma la situazione non cambia.
>> >> >>>>
>> >> >>>> La distanza tra i 2 nodi e' di 200 - 300 metri.
>> >> >>>> _______________________________________________
>> >> >>>> Wireless mailing list
>> >> >>>> Wireless a ml.ninux.org
>> >> >>>> http://ml.ninux.org/mailman/listinfo/wireless
>> >> >>>>
>> >> >>>>
>> >> >>>>
>> >> >>>> _______________________________________________
>> >> >>>> Wireless mailing list
>> >> >>>> Wireless a ml.ninux.org
>> >> >>>> http://ml.ninux.org/mailman/listinfo/wireless
>> >> >>>>
>> >> >>>
>> >> >>>
>> >> >>> _______________________________________________
>> >> >>> Wireless mailing list
>> >> >>> Wireless a ml.ninux.org
>> >> >>> http://ml.ninux.org/mailman/listinfo/wireless
>> >> >>>
>> >> >>
>> >> >> _______________________________________________
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>> >> >
>> >> >
>> >> > _______________________________________________
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