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question about the result of command "Show ip nbar protocol-discovery"

ciscoroyzhang
Level 1
Level 1

      hi here,  when issue show ip nbar protocol-discovery in the router, i get following result, can I assume that on the Gi0/0 ingress traffic comsumes 7899000 for the last 30 sec. if this is correct, why in same time when I try sh int gi0/0, it indecates the bandwidth utilzation is 3927000 bits/sec. why there is the diffiderence and which one show the real bandwidth utilzation during that 30 seconds?    cheers Roy

GigabitEthernet0/0

                            Input                    Output                 

                            -----                    ------                 

   Protocol                 30sec Bit Rate (bps)     30sec Bit Rate (bps)   

   ------------------------ ------------------------ ------------------------

   exchange                 1336000                  247000                 

   http                          1454000                  100000                 

   secure-http              240000                   36000                  

   ldap                          158000                   76000                  

   winmx                       66000                    0                      

   telnet                       10000                    1000                   

   netbios                      6000                     3000                   

   dns                           5000                     2000                   

   snmp                        2000                     3000                   

   skinny                      2000                     1000                   

   icmp                        2000                     1000                   

  

   unknown                  4618000                  288000                 

   Total                        7899000                  758000        

_____________________________________________________________________________________

sh int gi0/0

....

30 second input rate 3927000 bits/sec, 587 packets/sec

30 second output rate 642000 bits/sec, 486 packets/sec

1 Reply 1

Giuseppe Larosa
Hall of Fame
Hall of Fame

Hello Roy,

have you configured load-interval 30 under gi0/0?

the default timer for load interval is 5 minutes

with a traffic of 7 Mbps it takes up to 20 minutes for the rate to reach the 7 Mbps value with the default 5 minutes timer because it is an exponentially weighted average.

Hope to help

Giuseppe

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