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1887 Views 6 Replies Latest reply: Nov 16, 2011 8:14 PM by Martin RSS

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PING issue

Nov 16, 2011 11:10 AM

Russell 3 posts since
Nov 16, 2011

I don't know if this is the right place to post this or not but here is it goes. I just set up my cisco lab at home to practice for my CCNA. Right now I have my computer set up with a 192.168.2.3 /24 address, the Catalyst 2950 its connected to has Vlan 1 with a 192.168.2.2 /24 address, and the E0/0 port on my 2610 Router has a 192.168.2.1 /24 address. the wasy i have it set up currently I am able to ping from my computer to the router. I am even able to telnet to the router. However When I connect through the console to the router I cannot ping the computer from the router. I have been racking my brain trying to figure out why its not working. And ideas?

  • Martin 13,075 posts since
    Jan 16, 2009
    Currently Being Moderated
    1. Nov 16, 2011 11:36 AM (in response to Russell)
    Re: PING issue

    what are your PC' default gateway and mask;

    what is configuration on router ?

     

    clear arp cache on PC and router; maube somethings are stuck there;  run debug ip icmp on router and do pings again.

  • Paul Stewart  -  CCIE Security, CCSI 6,956 posts since
    Jul 18, 2008
    Currently Being Moderated
    3. Nov 16, 2011 12:05 PM (in response to Russell)
    Re: PING issue

    Can you double check to see if a firewall is enabled on the pc?  If so, try disabling it or make an exception for icmp.

  • Martin 13,075 posts since
    Jan 16, 2009
    Currently Being Moderated
    4. Nov 16, 2011 1:01 PM (in response to Russell)
    Re: PING issue

    Firewall on PC ! Forgot about this, check and disable (windows firewall and/or another one installed)

     

    Firewalls may block pings that are not originated by you on PC; but will allow ones from You to others;

     

    Switch - layer 2 -  does not get involved at layer 3 unless you ping switch or want to access it via Telnet. Switch will read MACs and build MAC table to foward packets to appropriate port(s).

  • Martin 13,075 posts since
    Jan 16, 2009
    Currently Being Moderated
    6. Nov 16, 2011 8:14 PM (in response to Russell)
    Re: PING issue

    no worries; it happens to us all

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