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View Full Version : [ubuntu] my network is going crazy



akkad
September 24th, 2008, 12:37 PM
i connect to the lan and the wlan successfully where the dhcp assign me with an ip and the network is accessible but the internet connectivity is strange, sometimes while i am connecting to the internet and start a new url then suddenly the connectivity disappear where the url fail, i checked the cables and the internet connection with ISP is working 100% so the problem is from my system bcuz when i open the gnome network manager and change the settings then the connection get back to work and even sometimes it doesnt work, so it is about refreshing the network settings, but what is happening exactly?? i dont know !!!!

beercz
September 24th, 2008, 12:56 PM
What happens if you use only one connection at a time, either wireless or wired, but not both?

akkad
September 24th, 2008, 01:05 PM
same behavior either one of them or together, actually i forgot to mention that am using virtual box and i am bridging the network, may be this will affect or something, anyway here is my interfaces output while am connection to the ethernet:

br0 Link encap:Ethernet HWaddr 00:1c:25:1c:e9:ca
inet addr:172.26.2.84 Bcast:172.26.255.255 Mask:255.255.0.0
inet6 addr: fe80::21c:25ff:fe1c:e9ca/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:35001 errors:0 dropped:0 overruns:0 frame:0
TX packets:20223 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:25605595 (24.4 MB) TX bytes:2877348 (2.7 MB)

eth0 Link encap:Ethernet HWaddr 00:1c:25:1c:e9:ca
inet addr:172.26.2.84 Bcast:172.26.255.255 Mask:255.255.0.0
inet6 addr: fe80::21c:25ff:fe1c:e9ca/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:35250 errors:0 dropped:0 overruns:0 frame:0
TX packets:20854 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:26303450 (25.0 MB) TX bytes:3050153 (2.9 MB)
Base address:0x1840 Memory:fe000000-fe020000

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:16436 Metric:1
RX packets:1796 errors:0 dropped:0 overruns:0 frame:0
TX packets:1796 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:94621 (92.4 KB) TX bytes:94621 (92.4 KB)

tap1 Link encap:Ethernet HWaddr 00:ff:5b:62:af:6b
inet6 addr: fe80::2ff:5bff:fe62:af6b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:355 errors:0 dropped:0 overruns:0 frame:0
TX packets:11656 errors:0 dropped:6 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:41681 (40.7 KB) TX bytes:1566208 (1.4 MB)

tap2 Link encap:Ethernet HWaddr 00:ff:9b:c0:9f:02
inet6 addr: fe80::2ff:9bff:fec0:9f02/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:11623 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

vbox0 Link encap:Ethernet HWaddr 00:ff:d3:e1:2c:86
inet6 addr: fe80::2ff:d3ff:fee1:2c86/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:12769 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

vbox1 Link encap:Ethernet HWaddr 00:ff:4d:34:98:f4
inet6 addr: fe80::2ff:4dff:fe34:98f4/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:12769 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

wlan0 Link encap:Ethernet HWaddr 00:1c:bf:04:39:04
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:11970 errors:0 dropped:0 overruns:0 frame:0
TX packets:6548 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7525908 (7.1 MB) TX bytes:1190876 (1.1 MB)

wmaster0 Link encap:UNSPEC HWaddr 00-1C-BF-04-39-04-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING 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)