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# bmx6 -c --version
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BMX6-0.1-alpha comPatibility=16 revision=6a6195e46bf15ed58d75bdec14c2941aca31fc3f
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###################### BMX6 txRate bug ############################################

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###################### giordano ######################

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root@giordano:~# bmx6 -c show links

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links:

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name           llocalIp                  viaDev         rxRate txRate bestTxLink routes wantsOgms 

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cantor         fe80::a2f3:c1ff:fe86:318b wlan1-adhoc_13 100    100    1          4      1         

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giordano-bbone fe80::c24a:ff:fefc:38df   eth0_13        100    100    1          10     1         

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si-radio       fe80::a2f3:c1ff:fe86:caca wlan0-adhoc_13 87     76     0          14     1         

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si-radio       fe80::a2f3:c1ff:fe86:cacb wlan1-adhoc_13 18     97     1          0      0   

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###################### si-radio ######################

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root@si-radio:~# bmx6 -c show links

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links:

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name      llocalIp                  viaDev         rxRate txRate bestTxLink routes wantsOgms 

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si-soniam fe80::16cc:20ff:fead:aee5 wlan1-adhoc_13 100    100    1          6      1         

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giordano  fe80::c24a:ff:fefc:4154   wlan0-adhoc_13 75     85     1          0      0         

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giordano  fe80::c24a:ff:fefc:4155   wlan1-adhoc_13 97     0      0          15     1         

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si-chiara fe80::16cc:20ff:fe75:c1c7 wlan1-adhoc_13 100    100    1          7      1         

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si-tato   fe80::16cc:20ff:fe75:c005 wlan1-adhoc_13 89     1      1          0      0         

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###################### iw station dump ############################################

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###################### giordano ######################

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root@giordano:~# iw wlan1-adhoc station get a0:f3:c1:86:ca:cb # si-radio

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Station a0:f3:c1:86:ca:cb (on wlan1-adhoc)

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	inactive time:	10 ms

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	rx bytes:	1086882542

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	rx packets:	5332563

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	tx bytes:	2694010320

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	tx packets:	5874813

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	tx retries:	981859

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	tx failed:	2589

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	signal:  	-86 [-87, -97] dBm

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	signal avg:	-84 [-85, -94] dBm

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	tx bitrate:	40.5 MBit/s MCS 2 40MHz

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	rx bitrate:	40.5 MBit/s MCS 2 40MHz

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	authorized:	yes

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	authenticated:	yes

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	preamble:	long

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	WMM/WME:	yes

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	MFP:		no

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	TDLS peer:	no

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###################### si-radio ######################

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root@si-radio:~# iw wlan1-adhoc station get c0:4a:00:fc:41:55 # giordano

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Station c0:4a:00:fc:41:55 (on wlan1-adhoc)

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	inactive time:	0 ms

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	rx bytes:	77551785

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	rx packets:	199254

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	tx bytes:	34837851

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	tx packets:	97728

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	tx retries:	20198

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	tx failed:	3

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	signal:  	-78 [-78, -94] dBm

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	signal avg:	-78 [-78, -93] dBm

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	tx bitrate:	40.5 MBit/s MCS 2 40MHz

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	rx bitrate:	40.5 MBit/s MCS 2 40MHz

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	authorized:	yes

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	authenticated:	yes

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	preamble:	long

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	WMM/WME:	yes

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	MFP:		no

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	TDLS peer:	no

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###################### unicast vs multicast ############################################

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###################### giordano ######################

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root@giordano:~# ping6 -c 60 fe80::a2f3:c1ff:fe86:cacb%wlan1-adhoc_13 -L -i 0.1 |grep :cacb | wc -l

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root@giordano:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :cacb | wc -l

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###################### si-radio ######################

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root@si-radio:~# ping6 -c 60 fe80::c24a:ff:fefc:4155%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 fe80::c24a:ff:fefc:4155%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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35

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l 

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4

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###################### BATMAN-ADV ############################################

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###################### giordano ######################

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    2.960s   (184) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (184)

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si-radio_wlan1-adhoc    2.510s   (186) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (186) si-radio_wlan1-adhoc ( 81)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.970s   (191) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (191)

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si-radio_wlan1-adhoc    1.090s   (190) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (190) si-radio_wlan1-adhoc (  0)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.160s   (192) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (192)

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si-radio_wlan1-adhoc    0.410s   (182) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (182) si-radio_wlan1-adhoc ( 71)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.130s   (196) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (196)

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si-radio_wlan1-adhoc    0.440s   (192) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (192) si-radio_wlan1-adhoc ( 70)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.100s   (202) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (202)

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si-radio_wlan1-adhoc    0.430s   (206) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (206) si-radio_wlan1-adhoc ( 69)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    1.140s   (206) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (206)

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si-radio_wlan1-adhoc    0.480s   (215) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (215) si-radio_wlan1-adhoc ( 59)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.130s   (218) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (218)

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si-radio_wlan1-adhoc    0.490s   (220) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (220) si-radio_wlan1-adhoc (  0)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.790s   (242) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (242)

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si-radio_wlan1-adhoc    0.180s   (241) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (241) si-radio_wlan1-adhoc ( 98)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.380s   (242) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (242)

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si-radio_wlan1-adhoc    0.800s   (244) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (244) si-radio_wlan1-adhoc (102)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    1.880s   (242) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (242)

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si-radio_wlan1-adhoc    0.270s   (243) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (243) si-radio_wlan1-adhoc (  0)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    1.440s   (254) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (254)

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si-radio_wlan1-adhoc    0.860s   (253) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (253) si-radio_wlan1-adhoc (  0)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    1.530s   (224) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (224)

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si-radio_wlan1-adhoc    0.920s   (225) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (225) si-radio_wlan1-adhoc ( 85)

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root@giordano:~# batctl o 2>/dev/null |grep ^si-radio

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si-radio_wlan0-adhoc    0.300s   (206) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (206)

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si-radio_wlan1-adhoc    0.690s   (207) si-radio_wlan0-adhoc [wlan0-adhoc_254]: si-radio_wlan0-adhoc (207) si-radio_wlan1-adhoc (102)

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###################### si-radio ######################

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(similar result regarding "batctl o",

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giordano_wlan1-adhoc's TQ from si-radio: varying between 100 and 180

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packets going through batman-adv have no problem at all, in fact all the

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ssh interactive session was done through batman-adv IPs)

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###################### mcast_rate ############################################

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###################### giordano ######################

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root@giordano:~# uci show wireless | grep mcast_rate

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wireless.lm_wlan0_adhoc_radio0.mcast_rate=24000

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wireless.lm_wlan1_adhoc_radio1.mcast_rate=24000

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###################### si-radio ######################

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root@si-radio:~# uci show wireless | grep mcast_rate

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wireless.lm_wlan0_adhoc_radio0.mcast_rate=24000

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wireless.lm_wlan1_adhoc_radio1.mcast_rate=24000

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(simply lowering the lm_wlan1_adhoc_radio1.mcast_rate to 12000 on si-radio

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works around the problem: bmx6 starts estimating correctly the txRate on si-radio,

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which climbs near 100)

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(this is not surprising, since, for example, the "unicast vs multicast" starts

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also giving ~90% success rate, in both cases, versus the shown ~10-20% success 

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using mcast_rate=24000)

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###################### mcast_rate=12000 ############################################

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###################### si-radio ######################

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root@si-radio:~# uci set wireless.lm_wlan0_adhoc_radio0.mcast_rate=12000

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root@si-radio:~# wifi

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l

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root@si-radio:~# ping6 -c 60 ff02::1%wlan1-adhoc_13 -L -i 0.1 |grep :4155 | wc -l

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root@si-radio:~# bmx6 -c show links

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links:

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name       llocalIp                  viaDev         rxRate txRate bestTxLink routes wantsOgms 

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si-soniam  fe80::16cc:20ff:fead:aee5 wlan1-adhoc_13 97     100    1          3      1         

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si-tato    fe80::16cc:20ff:fe75:c005 wlan1-adhoc_13 97     100    1          3      1         

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giordano   fe80::c24a:ff:fefc:4155   wlan1-adhoc_13 97     95     1          15     1         

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giordano   fe80::c24a:ff:fefc:4154   wlan0-adhoc_13 93     91     0          0      0         

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si-chiara  fe80::16cc:20ff:fe75:c1c7 wlan1-adhoc_13 100    97     1          7      1
        

    


            


                                


        

            



                
    

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