Avoiding oversubscription

device# show interface stats brief
 
                Packets           Error               Discards      CRC
Interface  rx      tx         rx      tx         rx      tx         rx
=========  ===============    ===============    ===============    ===
Po 1       138641  4297936    0       0          0       0          0
Po 2       0       0          0       0          0       0          0
Lo 1       0       0          0       0          0       0          0
Lo 100     0       0          0       0          0       0          0
Eth 0/1    0       0          0       0          0       0          0
Eth 0/2    0       0          0       0          0       0          0

In such conditions, you must first identify the bottleneck, and then take action to mitigate the congestion.