From: Martin D. Fierbaugh (marty@networkwv.com)
Date: Fri Jan 16 2004 - 18:25:17 GMT-3
Try using netflow. Watch your cpu closely during peak hours.
Here is a good link:
http://www.cisco.com/en/US/tech/tk648/tk362/tk812/tech_protocol_home.htm
l
Some tools you will need (free / open source)
http://www.caida.org/tools/measurement/cflowd/
http://sourceforge.net/projects/ehnt
And of course my favorite...
http://net.doit.wisc.edu/%7Eplonka/FlowScan/
HTH
**********************************
Martin D. Fierbaugh, CCNP
Manager IP Routing
NTELOS Advanced Data Engineering
(w) 304.353.8916
(m) 304.415.0427
**********************************
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
John Humphrey
Sent: Friday, January 16, 2004 4:06 PM
To: ccielab@groupstudy.com
Subject: IP accounting vs. CEF
I've got an Internet router that is becoming increasingly saturated with
traffic. I'd like to use ip accounting and/or CEF to monitor the traffic
flows by source and destination. The majority of the bandwidth is
obviously used by the return traffic (e.g. request to download large
file is smaller than the actual file itself), but ip accounting doesn't
really work that way, does it? It seems like CEF is my best option, but
I've haven't nailed down exactly how to do this. Any ideas? Router= 2600
IOS = 12.3
jh
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