TCP segments retransmission

Linux and Unix-Like SuSE
1

Hi all,

I got an application that is running on SUSE Linux. I would like to get some data about the number of TCP segments retransmission on a particular interface. Is there any way I can get that?

Thanks,

2

Maybe netstat:

netstat -i tcp

Yields something like this under SUSE 11.x

Kernel Interface table
Iface   MTU Met    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg
eth0   1500   0  2622762      0      0      0  1497801      0      0      0 BMRU
lo    16436   0   312746      0      0      0   312746      0      0      0 LRU

Looks to have good, bad, drops for both transmission and receipt on all interfaces.

3

I have tried netstat -i before. But, It does not show me what I want to see. It shows packets received and transmitted and also in error. But, it does not show me how many segments retransmission I have on one particular interface.