To set up ip accounting:
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int s0 (or whatever interface is connected to the internet)
Router(config-if)#ip accounting
Router(config-if)#end
Router#wr
Building configuration...
[OK]
Wait a few minutes to let the counters build up
and run the following from enable mode.
Router#sh ip accounting
(Output from above command)
Source Destination Packets Bytes
192.168.187.1 198.41.0.4 3 209
192.168.187.131 38.144.120.166 13 1956
192.168.187.199 208.158.245.148 1 40
192.168.187.184 208.185.65.121 123 4920
192.168.187.5 198.41.0.4 2 122
192.168.187.199 208.158.245.144 1 40
192.168.187.6 198.41.0.4 1 56
192.168.187.5 208.211.225.10 2 146
192.168.187.1 38.9.204.2 2 392
192.168.187.1 38.9.205.2 2 392
192.168.187.1 38.9.203.2 1 196
192.168.187.4 195.190.92.194 8 944
192.168.187.6 128.9.0.107 1 56
192.168.187.133 216.33.107.243 16 1040
192.168.187.183 207.46.189.15 15 3318
192.168.187.1 146.115.8.18 1 59
192.168.187.1 146.115.8.17 2 118
192.168.187.27 38.193.32.34 47 4009
192.168.187.90 152.163.243.109 1 40
192.168.187.6 146.115.8.18 3 178
192.168.187.1 209.185.188.39 1 68
192.168.187.33 216.115.105.17 15 1630
Accounting data age is 7
Use the "clear ip accounting" command to restart the counters.
-Kevin
-----Original Message-----
From: Rajesh Divakaran [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 06, 2000 10:54 AM
To: Hart, Kevin
Cc: 'ragu nandan'; '[EMAIL PROTECTED]'
Subject: Re: Off the topic:How to measure on Internet (link) speed
I'm also using MRTG. But Kevin i wanted to know one thing...
How can i put a IP ACCounting on the serial interface of the Cisco route.
I have a cisco 1600
can u tell me how to do that, so that i can find the heavy hitters.
rgds
Rajesh
"Hart, Kevin" wrote:
> Hi Ragu,
> One possible solution would be to use MRTG
> to measure utilization and get a baseline of
> typical performance.
>
> http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html
>
> We had been using this tool and started to see the utilization
> on the T-1 at 90% which was not the case before.
>
> After we clearly established that our utilzation was high,
> we set up IP accounting on the serial interface of
> the Cisco router and took a look at the heavy hitters.
> At one point in time there was a user who was taking up half the T-1.
> Further investigation revealed that this was due to
> Napster music downloads and uploads.
> (Blocking that is another thread which has been dealt with on this list).
>
> Hope this helps.
>
> -Kevin
>
> -----Original Message-----
> From: ragu nandan [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, December 05, 2000 1:38 PM
> To: [EMAIL PROTECTED]
> Subject: Off the topic:How to measure on Internet (link) speed
>
> Greetings
> We have noticed that our T1 has slowed down, and
> understandably all users have complained about slow
> internet access.
> Is there a network tool
> a)that would help us determine the throughput that we
> are getting.
> b)or the location of the bottleneck.
> Ours is a very simple configuration.
> Internet-->Cisco 7200 (BGP)-->FW-->RSM-->Internal LAN
> Our ISP says everything is fine at his end. Thx.
> Ragu
>
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