How do I set up a port for monitoring my network using telnet

[UncleJohn44]

How do I set up a port for monitoring my network using telnet. I am using a catalyst 4506.

[ankbhasi]

Hi John,

You want to monitor a specific port or specific vlan? Do you have a port which will work as a dstination port where you want to send all monitored traffic?

Do you want to capture traffic on a single switch or from multiple switch?

Are you running CATOS or IOS?

Regards,

Ankur

[UncleJohn44]

I want to capture traffic on a single switch, I believe it is IOS, and I do have a port available. 4/36

[ankbhasi]

Hi John,

Have a look at this link which will help you to configure SPAN.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/12_1_19/config/span.htm#1020431

HTH

Ankur

*pls rate all helpfull post

[UncleJohn44]

I am having trouble with these commands, and ask if you could type out the command for me. I having an open port of 4/36, and want to capture traffic using a sniffer for my entire network.

Sorry,

Thanks

[ankbhasi]

Hi John,

Can you confirm what do you mean by whole network? How many vlans you have in your network? What exactly you want to monitor - the traffic or the stats and utilization etc etc. Cause SPAN will and can capture only traffic coming on or moving out of specific ports or vlans.

Regards,

Ankur

[UncleJohn44]

My network physically located in the same building, and I want to monitor utilization. I have someone mentioning to me that I should be using a sniffer, and that is what I need to set the port up for. I'm not concerned about a VLAN, as I understand that the guy who tried setting up this network never utilized any software to create a VLAN.

Thanks

[royalblues]

John,

Sniffer will provide you with overwhelming information.

I suggest using a network monitoring tool like MRTG or solarwinds for it.

www.solarwinds.net

www.mrtg.com

Narayan