Using the interface bandwidth command with Netflow?

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Dec 28th, 2007
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Hi, I am just testing stuff on a cisco 837 DSL router and the Netflow tool. It seems Netflow has no idea regarding bandwidth utilisation on the dailer 1 and ethernet0 interface I'm monitoring. This is my output, can I tell Netflow my dialer 1(out) is 412kbp and the ethernet0 (in) is 4mb? I have I no chance :)


H0m3#sh dsl interface aTM 0

ATU-R (DS) ATU-C (US)

Modem Status: Showtime (DMTDSL_SHOWTIME)

DSL Mode: ITU G.992.1 (G.DMT)

ITU STD NUM: 0x01 0x01

Vendor ID: 'ALCB' 'GSPN'

Vendor Specific: 0x0000 0x0008

Vendor Country: 0x00 0xFF

Capacity Used: 97% 57%

Noise Margin: 7.0 dB 14.0 dB

Output Power: 19.0 dBm 3.0 dBm

Attenuation: 46.5 dB 31.5 dB

Defect Status: None None

Last Fail Code: None

Selftest Result: 0x00

Subfunction: 0x15

Interrupts: 659 (1 spurious)

Activations: 3

Init FW: embedded

Operartion FW: embedded

SW Version: 3.9.220

FW Version: 0x1A04


Interleave Fast Interleave Fast

Speed (kbps): 4224 0 416 0

Reed-Solomon EC: 11452 0 34 0

CRC Errors: 12 0 1 0

Header Errors: 11 0 0 0

Bit Errors: 0 0

BER Valid sec: 0 0

BER Invalid sec: 0 0


LOM Monitoring : Disabled


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ebreniz Thu, 01/03/2008 - 12:20
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You don't need to enable the netflow on sub-interface, it gets enabled once you enable it on physical interface. How much percentage of the flows you think are missing? How are you comparing those numbers? Also what kind of netflow collector you are using?NetFlow Facilities Solutions to Troubleshooting and understanding network pain points wiith Diagnose slow network performance, bandwidth hogs and bandwidth utilization in real-time with command line interface or reporting tools.


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