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Cisco Router Ethernet port jamming

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  • Cisco Router Ethernet port jamming

    Hello,

    I have a broadband connection in the Ethernet port of cisco router-2811 which is configured as DHCP(i.e. f0/1 is DHCP and f0/0 is having static IP for local LAN). Very often f0/1 port gets chocked and internet browsing not possible until I shutdown and restart that again. Please help me to overcome this problem. Router has one serial port connection to MPLS with static IP.

    Regards

  • #2
    Re: Cisco Router Ethernet port jamming

    how much traffic is going over the port?
    have you tried running any debugs, is there anything in the logs?

    In short - what have you actually done so far ?
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    • #3
      Re: Cisco Router Ethernet port jamming

      So fare not done anything anly Shutdown and Restart at the time of jamming. Not run any debug. Traffic increases up to 4mbps/8mbps t/r /sec. How to check log of Cisco router-2811? plz help
      Regards

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      • #4
        Re: Cisco Router Ethernet port jamming

        check logs with the command 'show log'
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        • #5
          Re: Cisco Router Ethernet port jamming

          Nothing has been done so fare. only shuting down and making up the f0/1 port. no debuging done. This is the so log output

          r>sh log
          Syslog logging: enabled (1 messages dropped, 2 messages rate-limited,
          0 flushes, 0 overruns, xml disabled, filtering disabled)
          Console logging: level debugging, 94 messages logged, xml disabled,
          filtering disabled
          Monitor logging: level debugging, 0 messages logged, xml disabled,
          filtering disabled
          Buffer logging: disabled, xml disabled,
          filtering disabled
          Logging Exception size (4096 bytes)
          Count and timestamp logging messages: disabled
          Trap logging: level informational, 107 message lines logged
          CHQ-Router>
          We have two LANs (i.e. 192.9.51.0 and 192.9.126.0). Both the LANs are have own broadband connection. This connection is terminated in router and accessed by LAN 192.9.51.0 . Observed that when 192.9.126.0 broadband is down this connection works fine, but when both work this ethernet port gets jam. please help
          Last edited by kparhi; 9th July 2014, 12:20.

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