[Xen-users] Incorrect Network Traffic

[Kashif Ali <kashif_quaidian@xxxxxxxxxxx>]

Hi,

Is this a bug? I have a couple of guest domains without any type network traffic on them (no mysql,httpd,ftp etc). I just created them and started so there should be no network traffic on them but i can see ifconfig (in dom0 against vif) is showing a high usage of network traffic in just 24 hours of time. The output of ifconfig is as under:

# ifconfig api_113
api_113   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:92 errors:0 dropped:0 overruns:0 frame:0
          TX packets:73314769 errors:0 dropped:55304 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:11338 (11.0 KiB)  TX bytes:2513681692 (2.3 GiB)

# ifconfig test_160
test_160  Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:129410 errors:0 dropped:0 overruns:0 frame:0
          TX packets:69180875 errors:0 dropped:24381 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:14452219 (13.7 MiB)  TX bytes:2708497500 (2.5 GiB)

I have checked the output of ifconfig after logining to these vps too and the states are same almost. The output is as under as respective to above:

# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:16:3E:04:19:F3 
          inet addr:  Bcast:69.73.151.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:73317949 errors:0 dropped:0 overruns:0 frame:0
          TX packets:92 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2513892522 (2.3 GiB)  TX bytes:12626 (12.3 KiB)

# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:16:3E:03:92:20 
          inet addr:69.73.167.160  Bcast:69.255.255.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:69186339 errors:0 dropped:0 overruns:0 frame:0
          TX packets:129458 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2708865602 (2.5 GiB)  TX bytes:16269222 (15.5 MiB)

I am running with xen-3.2.0 and kernel 2.6.18.8 from mercurial hg.
The network setting/configurations are default and i didnt did any custom settings.

From where correct traffic states can be found? Please advise am i missing something or is there any settings/changes required in xen scripts?

Thanks in advance.

Regards,
Kashif

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