Trouble

[SOLVED]Unusually high ping for Banana pro onboard wifi

2 824
AR9285  
Edited by AR9285 at Nov 20, 2015 02:54

OS: Bananian 15.08

Use stock antenna.

ping value is ~50ms
How can I fix this? Is it a problem with antenna?

Result are like this:
$ ping 192.168.1.111
PING 192.168.1.111 (192.168.1.111) 56(84) bytes of data.
64 bytes from 192.168.1.111: icmp_seq=1 ttl=64 time=24.9 ms
64 bytes from 192.168.1.111: icmp_seq=2 ttl=64 time=49.0 ms
64 bytes from 192.168.1.111: icmp_seq=3 ttl=64 time=76.6 ms
64 bytes from 192.168.1.111: icmp_seq=4 ttl=64 time=90.4 ms
64 bytes from 192.168.1.111: icmp_seq=5 ttl=64 time=113 ms
64 bytes from 192.168.1.111: icmp_seq=6 ttl=64 time=34.4 ms
64 bytes from 192.168.1.111: icmp_seq=7 ttl=64 time=2.54 ms
64 bytes from 192.168.1.111: icmp_seq=8 ttl=64 time=78.1 ms
64 bytes from 192.168.1.111: icmp_seq=9 ttl=64 time=100 ms
64 bytes from 192.168.1.111: icmp_seq=10 ttl=64 time=21.2 ms
64 bytes from 192.168.1.111: icmp_seq=11 ttl=64 time=44.8 ms
64 bytes from 192.168.1.111: icmp_seq=12 ttl=64 time=3.22 ms
64 bytes from 192.168.1.111: icmp_seq=13 ttl=64 time=88.0 ms
64 bytes from 192.168.1.111: icmp_seq=14 ttl=64 time=111 ms
64 bytes from 192.168.1.111: icmp_seq=15 ttl=64 time=29.7 ms
^C
--- 192.168.1.111 ping statistics ---
15 packets transmitted, 15 received, 0% packet loss, time 14009ms
rtt min/avg/max/mdev = 2.545/57.947/113.568/37.077 ms


AR9285  
OK. Turned off wifi power management and it's much better.

user@bananapro ~ $ sudo iwconfig wlan0 power off

user@other-machine ~ $ ping 192.168.1.111
PING 192.168.1.111 (192.168.1.111) 56(84) bytes of data.
64 bytes from 192.168.1.111: icmp_seq=1 ttl=64 time=2.65 ms
64 bytes from 192.168.1.111: icmp_seq=2 ttl=64 time=2.67 ms
64 bytes from 192.168.1.111: icmp_seq=3 ttl=64 time=5.56 ms
64 bytes from 192.168.1.111: icmp_seq=4 ttl=64 time=2.68 ms
64 bytes from 192.168.1.111: icmp_seq=5 ttl=64 time=5.64 ms
64 bytes from 192.168.1.111: icmp_seq=6 ttl=64 time=2.63 ms
64 bytes from 192.168.1.111: icmp_seq=7 ttl=64 time=2.60 ms
64 bytes from 192.168.1.111: icmp_seq=8 ttl=64 time=2.55 ms
64 bytes from 192.168.1.111: icmp_seq=9 ttl=64 time=2.52 ms
64 bytes from 192.168.1.111: icmp_seq=10 ttl=64 time=2.49 ms
^C
--- 192.168.1.111 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9009ms
rtt min/avg/max/mdev = 2.493/3.202/5.648/1.204 ms

I also think the environment around will cause the test result.

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