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Switch not responding to ping commands what would the problem be?

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  • KyleONU Mar 28, 2011

    Could you please provide more information on what you are trying to do?

    Ping is a great way to diagnose connection problems, but is generally used to check against a well know site (such as your favorite search engine). Is the switch a managed switch? What are you trying to accomplish?

    Thanks.

  • aussie66 Mar 28, 2011

    I'm trying to make up a scenario to find what sort of things could cause a managed switch not to respond to ping commands.

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If the switch is turned off, then this could also happen, also some switches and other network devices will allow for settings to be changed to modify this sort of behavior. In all fairness, that would then be disabling some of the systems that make it a "managed switch", but you might look into those possibilities. Since some routers and switches use a version of Linux, it could also be a situation where they were modified at a low level to change some of their core behavior. I'm not sure if these ideas are what you are looking for, but hopefully they can help somewhat.

Posted on Mar 28, 2011

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  • Edgar De Leon Mar 28, 2011

    other answers maybe
    - management VLAN not configured
    - the port still is in negotiation of speed and duplex
    - the host makng the ping has an ARP published to another device

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It could be many answers to this issue - an acl on the switch - damaged cable - the switch and the pc are connected but with different networks/vlans defined - etc

Posted on Mar 28, 2011

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  • Edgar De Leon Mar 28, 2011

    of what kind of switch we are talking about?

  • aussie66 Mar 28, 2011

    any kind of managed switch not just 1 in particular

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The switch will only respond to a ping if ICMP packets are enabled and the switch is configured to respond to a ping. Many times, the network admin will turn off ICMP, which may look like there is a connection "problem" but intended functions are not compromised at all.

Good luck!

Bruce

Posted on Mar 31, 2011

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1 Answer

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If linux open a console and type the same thing ping -t XXX.XXX.XXX.XXX.

Regards

Please dont forget to rate!

Regards

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