Hi,
I am using Shorewall shell on my Linux router. Basically the router
has 2 interfaces; ppp0 for wan , br0 for lan.
Under br0 bridge interface I have ath0 (wifi atheros) and eth2 interfaces.
I have no performance problem on the lan clients which are connected
to eth2, but for the clients connected to ath0 wifi interface there is
a big performance issue.
When there is no traffic on wifi interface, the client can ping the
router with 2ms response. But when the client starts any web browsing
or any oher traffic, the ping responses from the router go above
1000ms or even 2000ms.
Of course data communication from the wifi clients are terribly slow.
The client seems to be connected with 54Mbps but it can't go even up to 100kbps.
It first seemed to be a trafffic shaping problem to me , so I moved
all tcrules, tcclasses and tcdevices files and restarted without any
traffic shaping. But that didn't solve the issue.
How can I troubleshoot this ?
Below is some information from my linux router. I will send the
shorewall dump output in a seperate email.
[trixbox1.localdomain ~]# /sbin/shorewall version
4.0.12
[trixbox1.localdomain ~]# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:0d:b9:12:cf:90 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.2/24 brd 192.168.1.255 scope global eth1
inet6 fe80::20d:b9ff:fe12:cf90/64 scope link
valid_lft forever preferred_lft forever
3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:0d:b9:12:cf:91 brd ff:ff:ff:ff:ff:ff
inet6 fe80::20d:b9ff:fe12:cf91/64 scope link
valid_lft forever preferred_lft forever
4: wifi0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 280
link/ieee802.11 00:80:48:4f:21:8d brd ff:ff:ff:ff:ff:ff
5: ath0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2290 qdisc noqueue
link/ether 00:80:48:4f:21:8d brd ff:ff:ff:ff:ff:ff
inet6 fe80::280:48ff:fe4f:218d/64 scope link
valid_lft forever preferred_lft forever
6: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
link/ether 00:0d:b9:12:cf:91 brd ff:ff:ff:ff:ff:ff
inet 192.168.254.254/24 brd 192.168.254.255 scope global br0
inet6 fe80::20d:b9ff:fe12:cf91/64 scope link
valid_lft forever preferred_lft forever
13: sit0: <NOARP> mtu 1480 qdisc noop
link/sit 0.0.0.0 brd 0.0.0.0
14: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc
pfifo_fast qlen 3
link/ppp
inet 195.87.169.166 peer 192.168.20.2/32 scope global ppp0
[trixbox1.localdomain ~]#
[trixbox1.localdomain ~]# ip route show
192.168.20.2 dev ppp0 proto kernel scope link src 195.87.169.166
192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.2
192.168.254.0/24 dev br0 proto kernel scope link src 192.168.254.254
169.254.0.0/16 dev eth1 scope link
default dev ppp0 scope link
[trixbox1.localdomain ~]#
Regards,
Mekabe
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