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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20101223/341a1776/attachment-0005.html>