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Thread: Monitoring Network Traffic on Cisco 1800 series Routers

  1. #1
    Join Date
    Oct 2008
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    88

    Monitoring Network Traffic on Cisco 1800 series Routers

    Hi Guys,

    Need some help here. Can someone advise me on how to go about monitoring the traffic that goes in/out of my cisco 1800 series router please? I'm facing some connectivity issues and would like to check if the network packet has managed to get to my router.

    Thanks A lots

  2. #2
    Join Date
    Apr 2008
    Posts
    3,339

    Re: Monitoring Network Traffic on Cisco 1800 series Routers

    Quote Originally Posted by Sloane View Post
    Hi Guys,

    Need some help here. Can someone advise me on how to go about monitoring the traffic that goes in/out of my cisco 1800 series router please? I'm facing some connectivity issues and would like to check if the network packet has managed to get to my router.

    Thanks A lots
    Sniffer or netflow come to mind First . For a sniffer, you'd need to install a switch outside the interface you wish to monitor and configure a span session. For netflow, you would need a collector/analysis server running netflow and then configure the router to send the data (if the 1800 supports it which I do not know since its a lower end device). Those are probably your only two options other than a debug/acl which could impact performance.

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