Can access to AP but cannot ping out - Linux

Logdown 連結：http://tinyurl.com/odmelvp

自從家裡換了AP就一直有這個問題：
我的Linux系統可以連上家裡的AP但是一直Ping不出去，
如果切到Windows去或連別的AP就都沒問題
下了一些指令有了一些資料，跪求各位大神解惑

ifconfig

eth0 Link encap:Ethernet HWaddr f0:de:f1:b1:cd:a0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:4615 errors:0 dropped:0 overruns:0 frame:0
TX packets:4615 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:470929 (470.9 KB) TX bytes:470929 (470.9 KB)

wlan0 Link encap:Ethernet HWaddr e4:d5:3d:c0:25:3e
inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::e6d5:3dff:fec0:253e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:244619 errors:0 dropped:0 overruns:0 frame:1078626
TX packets:177431 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:296791512 (296.7 MB) TX bytes:21152476 (21.1 MB)
Interrupt:17

route

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
192.168.1.0 * 255.255.255.0 U 9 0 0 wlan0

route -n

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0

試著ping一些東西
IP or Name Reachable
127.0.0.1 yes
localhost yes
192.168.1.101 yes
192.168.1.1 no
8.8.8.8 no

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