tracert shows different responses from different laptops. Is it normal?











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0
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I recently noticed the following. Is this normal?



Running two laptops side by side, one tracert command shows responses along the routers from modem all the way to 8.8.8.8



At the same time, the other laptop keeps getting "Request timed out", except the initial response from my modem and the final destination 8.8.8.8



Is this normal?






networking router traceroute







share|improve this question


























    up vote
    0
    down vote

    favorite












    I recently noticed the following. Is this normal?



    Running two laptops side by side, one tracert command shows responses along the routers from modem all the way to 8.8.8.8



    At the same time, the other laptop keeps getting "Request timed out", except the initial response from my modem and the final destination 8.8.8.8



    Is this normal?






    networking router traceroute







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I recently noticed the following. Is this normal?



      Running two laptops side by side, one tracert command shows responses along the routers from modem all the way to 8.8.8.8



      At the same time, the other laptop keeps getting "Request timed out", except the initial response from my modem and the final destination 8.8.8.8



      Is this normal?






      networking router traceroute







      share|improve this question













      I recently noticed the following. Is this normal?



      Running two laptops side by side, one tracert command shows responses along the routers from modem all the way to 8.8.8.8



      At the same time, the other laptop keeps getting "Request timed out", except the initial response from my modem and the final destination 8.8.8.8



      Is this normal?






      networking router traceroute




      networking router traceroute






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 9 hours ago









      B Chen

      1659




      1659






















          2 Answers
          2






          active

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          up vote
          1
          down vote













          This is not normal, but has a number of possible explanations including




          1. Double NAT/bad carrier grade NAT.

          2. Different types of ping, with some types being blocked at the router (there are actually multiple different ways to ping/traceroute which are handled differently through firewalls)

          3. Bad router firmware which can't track multiple connections when using NAT.






          share|improve this answer




























            up vote
            0
            down vote













            A timeout occurred in the tracert, indicating that the network node device passing the laptop to the 8.8.8.8 server is prohibited from returning the tracert package.



            This is normal if two laptops are connected to different networks.



            If the two laptops are connected to the same network, this is not normal.






            share|improve this answer





















            • This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
              – Akina
              6 hours ago










            • @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
              – B Chen
              4 hours ago










            • @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
              – B Chen
              4 hours ago










            • Yes. But in most cases the thin place is inner processor resources, not bandwidth.
              – Akina
              4 hours ago











            Your Answer








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            2 Answers
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            2 Answers
            2






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            oldest

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            active

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            up vote
            1
            down vote













            This is not normal, but has a number of possible explanations including




            1. Double NAT/bad carrier grade NAT.

            2. Different types of ping, with some types being blocked at the router (there are actually multiple different ways to ping/traceroute which are handled differently through firewalls)

            3. Bad router firmware which can't track multiple connections when using NAT.






            share|improve this answer

























              up vote
              1
              down vote













              This is not normal, but has a number of possible explanations including




              1. Double NAT/bad carrier grade NAT.

              2. Different types of ping, with some types being blocked at the router (there are actually multiple different ways to ping/traceroute which are handled differently through firewalls)

              3. Bad router firmware which can't track multiple connections when using NAT.






              share|improve this answer























                up vote
                1
                down vote










                up vote
                1
                down vote









                This is not normal, but has a number of possible explanations including




                1. Double NAT/bad carrier grade NAT.

                2. Different types of ping, with some types being blocked at the router (there are actually multiple different ways to ping/traceroute which are handled differently through firewalls)

                3. Bad router firmware which can't track multiple connections when using NAT.






                share|improve this answer












                This is not normal, but has a number of possible explanations including




                1. Double NAT/bad carrier grade NAT.

                2. Different types of ping, with some types being blocked at the router (there are actually multiple different ways to ping/traceroute which are handled differently through firewalls)

                3. Bad router firmware which can't track multiple connections when using NAT.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 3 hours ago









                davidgo

                41k74684




                41k74684
























                    up vote
                    0
                    down vote













                    A timeout occurred in the tracert, indicating that the network node device passing the laptop to the 8.8.8.8 server is prohibited from returning the tracert package.



                    This is normal if two laptops are connected to different networks.



                    If the two laptops are connected to the same network, this is not normal.






                    share|improve this answer





















                    • This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                      – Akina
                      6 hours ago










                    • @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                      – B Chen
                      4 hours ago










                    • @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                      – B Chen
                      4 hours ago










                    • Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                      – Akina
                      4 hours ago















                    up vote
                    0
                    down vote













                    A timeout occurred in the tracert, indicating that the network node device passing the laptop to the 8.8.8.8 server is prohibited from returning the tracert package.



                    This is normal if two laptops are connected to different networks.



                    If the two laptops are connected to the same network, this is not normal.






                    share|improve this answer





















                    • This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                      – Akina
                      6 hours ago










                    • @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                      – B Chen
                      4 hours ago










                    • @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                      – B Chen
                      4 hours ago










                    • Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                      – Akina
                      4 hours ago













                    up vote
                    0
                    down vote










                    up vote
                    0
                    down vote









                    A timeout occurred in the tracert, indicating that the network node device passing the laptop to the 8.8.8.8 server is prohibited from returning the tracert package.



                    This is normal if two laptops are connected to different networks.



                    If the two laptops are connected to the same network, this is not normal.






                    share|improve this answer












                    A timeout occurred in the tracert, indicating that the network node device passing the laptop to the 8.8.8.8 server is prohibited from returning the tracert package.



                    This is normal if two laptops are connected to different networks.



                    If the two laptops are connected to the same network, this is not normal.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered 7 hours ago









                    Daisy Zhou

                    564114




                    564114












                    • This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                      – Akina
                      6 hours ago










                    • @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                      – B Chen
                      4 hours ago










                    • @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                      – B Chen
                      4 hours ago










                    • Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                      – Akina
                      4 hours ago


















                    • This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                      – Akina
                      6 hours ago










                    • @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                      – B Chen
                      4 hours ago










                    • @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                      – B Chen
                      4 hours ago










                    • Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                      – Akina
                      4 hours ago
















                    This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                    – Akina
                    6 hours ago




                    This is not the only possible option. Pong is one of the least priority processes. If the load on the router is large, it may just have no resources for the response.
                    – Akina
                    6 hours ago












                    @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                    – B Chen
                    4 hours ago




                    @Daisy, The two laptops are connected to the same network. So what would be the cause(s) and how to fix them.
                    – B Chen
                    4 hours ago












                    @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                    – B Chen
                    4 hours ago




                    @Akina, if I understand your response correctly, are you suggesting that if the router (which one? home modem/router?) is overwhelmed, it may not have the bandwidth to show/allow for a back response from the outside router(s) to the other laptop. Is this correct?
                    – B Chen
                    4 hours ago












                    Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                    – Akina
                    4 hours ago




                    Yes. But in most cases the thin place is inner processor resources, not bandwidth.
                    – Akina
                    4 hours ago


















                     

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