3com 5500-ei pwr Reference Guide

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Description 
Use the display ip statistics command to display the statistics about IP packets.  
Related commands: display ip interfacereset ip statistics
Examples 
# Display the statistics about IP packets.  
<Sysname> display ip statistics 
  Input:   sum            7120             local             112 
           bad protocol   0                bad format        0 
           bad checksum   0                bad options       0 
  Output:  forwarding     0                local             27 
           dropped        0                no route          2 
           compress fails 0 
  Fragment:input          0                output            0 
           dropped        0 
           fragmented     0                couldn't fragment 0 
  Reassembling:sum        0                timeouts          0 
Table 2-4 Description on the fields of the display ip statistics command 
Field 
Description 
sum 
Total number of packets received 
local 
Total number of packets with destination being local 
bad protocol 
Total number of unknown protocol packets.  
Unknown protocol packets are destined to the local device, 
but the upper layer protocol specified in their IP header 
cannot be processed by the device. (For example, if a switch 
is not enabled with the Layer 3 multicast function, it considers 
IGMP packets as unknown protocol packets.) 
bad format 
Total number of packets with incorrect header format that 
contains a wrong version, or has a header length less than 20 
bytes.  
bad checksum 
Total number of packets with incorrect checksum 
Input: 
bad options 
Total number of packets with incorrect option 
forwarding 
Total number of IP packets forwarded by the local device 
local 
Total number of IP packets initiated from the local device 
dropped 
Total number of IP packets discarded 
no route 
Total number of IP packets for which no route is available 
Output: 
compress fails 
Total number of IP packets failed to compress 
Fragment: 
input 
Total number of fragments received