[CentOS] CentOS networking problem

Aravindh Ramaswamy aravindhramu at gmail.com
Thu Dec 23 04:38:21 UTC 2010


Thank you sir for replying..

Given below is my system's status after 'ifconfig'...

eth0      Link encap:Ethernet  HWaddr 44:87:FC:68:5E:33
          inet addr:192.168.100.168  Bcast:192.168.100.255
Mask:255.255.255.0
          inet6 addr: fe80::4687:fcff:fe68:5e33/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:26494 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10654 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:13696022 (13.0 MiB)  TX bytes:2430504 (2.3 MiB)

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:4475 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4475 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:7342452 (7.0 MiB)  TX bytes:7342452 (7.0 MiB)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:49859 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10973 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:16486973 (15.7 MiB)  TX bytes:2457481 (2.3 MiB)
          Interrupt:253 Base address:0xc000

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:10654 errors:0 dropped:0 overruns:0 frame:0
          TX packets:26496 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2430504 (2.3 MiB)  TX bytes:13696142 (13.0 MiB)

virbr0    Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:9090 (8.8 KiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:15909 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1364475 (1.3 MiB)  TX bytes:0 (0.0 b)





On Thu, Dec 23, 2010 at 9:52 AM, Lisandro Grullon <
lgrullon at citytech.cuny.edu> wrote:

> Aravindh,
> Tell us a little bit about your current server hardware, are your NICs
> showing using ifconfig, what about your gateway sing route. It would be good
> to know a little bit about your current configuration, including if you are
> using IPv6. Please elaborate so we can help you further. Lisandro
>
> >>> Aravindh Ramaswamy 12/22/10 11:17 PM >>>
>
> Sir/Madam,
>
> This is Aravindh,final year student of Anna University India.We are
> carrying on research in Cloud Computing and using Open Nebula toolkit for
> that;for which we need strong network connectivity. The problem i am facing
> is that i am not able to ping continuously to other nodes in the network.
> The connectivity is getting lost after 2-3 minutes. we have inspected the
> connectivity links , switch etc. and found them to be normal. In fact it
> pings continuously in other OS. Is there any problem in CentOS network
> connectivity packages? Help needed urgently..
>
> --
> Thanks and Regards,
> Aravindh.R
>
>


-- 
Thanks and Regards,
Aravindh.R
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