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Network madness

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I run a couple of Asus / Lenovo notebooks, with Fedora 17 and 18.


On the Asus X73S
I plug in the weird network cable, IP address gets assigned, ping runs fine.

Quote:

[x@barna ~]$ ping d250.hu
PING d250.hu (195.228.45.188) 56(84) bytes of data.
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=1 ttl=54 time=2.51 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=2 ttl=54 time=1.49 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=3 ttl=54 time=1.38 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=4 ttl=54 time=1.50 ms
Then I start firefox, and search for a random therm in google.....

Quote:

64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=13 ttl=54 time=1.32 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=14 ttl=54 time=1.32 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=15 ttl=54 time=1.38 ms
64 bytes from r2.d250.hu (195.228.45.188): icmp_seq=16 ttl=54 time=1.72 ms
^C
--- d250.hu ping statistics ---
38 packets transmitted, 16 received, 57% packet loss, time 37023ms
rtt min/avg/max/mdev = 1.220/1.503/2.511/0.297 ms
Ping-reactions stop, the browser does not return with anything. Network is connected.

Quote:

[x@barna ~]$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 16436
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 12 bytes 956 (956.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 12 bytes 956 (956.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

p5p1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.0.30 netmask 255.255.0.0 broadcast 10.0.255.255
inet6 fe80::16da:e9ff:fe22:559e prefixlen 64 scopeid 0x20<link>
ether 14:da:e9:22:55:9e txqueuelen 1000 (Ethernet)
RX packets 952 bytes 403537 (394.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 153 bytes 37131 (36.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 1 collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.0.31 netmask 255.255.0.0 broadcast 10.0.255.255
inet6 fe80::4a5d:60ff:fef9:89ec prefixlen 64 scopeid 0x20<link>
ether 48:5d:60:f9:89:ec txqueuelen 1000 (Ethernet)
RX packets 2011642 bytes 2115174538 (1.9 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1257894 bytes 846699777 (807.4 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

[x@barna ~]$
On the Lenovo notebooks, the behaviour is similar. Once the weird cable is disconnected, wireless takes over and works, but it is NOT 100% reliable. Sometimes even the weirless network stops too, with similar effects. Connected, but can't ping.

Quote:

[x@barna ~]$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 10.0.0.1 0.0.0.0 UG 0 0 0 wlan0
10.0.0.0 * 255.255.0.0 U 0 0 0 wlan0

Any ideas anyone?

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