Thursday, May 24, 2012

Output packets are less

I have a sunT2000 server with e1000g0, e1000g1,e1000g2 and e1000g3 and nxge0,nxge1,nxge2,nxge3 network interfaces configured. All the network interfaces are up. I have configured virtual interfaces on each of the network interface. For example: i have configured e1000g0:1, e1000g0:2 etc on each network interface. 
The packets are passing thru all the network interfaces. But what i have noticed is the network packets are passing thru one particular network interface is more and also the output packets are very less. I have pasted the output of netstat -ni 
bash-3.00# netstat -ni 
Name Mtu Net/Dest Address Ipkts Ierrs Opkts Oerrs Collis Queue 
lo0 8232 127.0.0.0 127.0.0.1 4529 0 4529 0 0 0 
e1000g0 1500 172.52.0.0 172.52.1.1 1346180 0 948500 0 0 0 
e1000g1 1500 172.52.0.0 172.52.3.1 598044 0 3406 0 0 0 
e1000g2 1500 172.52.0.0 172.52.5.1 650385 0 2581 0 16 0 
e1000g3 1500 172.52.0.0 172.52.7.1 643277 0 1759 0 0 0 
nxge0 1500 172.52.0.0 172.52.9.1 12852 0 930 0 0 0 
nxge1 1500 172.52.0.0 172.52.11.1 0 0 0 0 0 0 
nxge2 1500 172.52.0.0 172.52.13.1 0 0 0 0 0 0 
nxge3 1500 172.52.0.0 172.52.15.1 659828 0 1861 0 0 0 
From the above output you can see that only e1000g0 has input and output packets more than the others. also the input and output packets has difference, The output packets are very less than the input packets. You can notice that in case of nxge0 and nxge3. There is large difference in the output packet and input packets. 
Let me know if there is any configuration or settings so that all the network interfaces can accept and output the packets. This has really halted the project. 
Please reply as early as possible. 


ok man i thinks for the packets to be less is not error that comes thrugh wrong configuration one think that ii can sugest try to configure just only one interface fistly make it to UP AND RUNNING then check if problem still persist we can find a gud sollution to you.to be less can be caused by packets sends more outs of destinaion to the reciaver thru that u can causer overload of packets 
check for this 
 /etc/inet/hosts File to see the logical interface of what u have use it 
This is quite normal. Broadcast packets from other machines will show up as 
"input", but they don't always require a response from your system. Are all 
these nics on the same network, or is your netmask wrong? If they are all on 
the same network, do you have IPMP set up? Or perhaps you are trying link 
aggregation and haven't configured it yet?
Most likely, you have most of your output going thru your default gateway 
via e1000g0. You also have collisions on e1000g2, which points to a switch 
/ server setting mismatch (one HDX, the otherFDX probably. Also, both nxge1, 
nxge2 appear not to be in use at all by your configuration.

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