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    What Are You Doing Right Now

    Water Closet
    time waster
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    • B
      BMarie
      last edited by

      Morning ML! Happy Friday 🎉

      1 Reply Last reply Reply Quote 2
      • R
        Reid Cooper @coliver
        last edited by

        @coliver said:

        Trying to figure out why my internal firewall is returning ping times of 2-300ms when it should be 0ms... I'm directly connected to it even. Jitter rate is in the 60-100% range too... something isn't right.

        Oh now that's just not right. What kind of firewall is it?

        C 1 Reply Last reply Reply Quote 1
        • R
          Reid Cooper
          last edited by

          Directly attached, no switch at all?

          C 1 Reply Last reply Reply Quote 0
          • C
            coliver @Reid Cooper
            last edited by

            @Reid-Cooper said:

            @coliver said:

            Trying to figure out why my internal firewall is returning ping times of 2-300ms when it should be 0ms... I'm directly connected to it even. Jitter rate is in the 60-100% range too... something isn't right.

            Oh now that's just not right. What kind of firewall is it?

            Cisco/Meraki MX90.

            T 1 Reply Last reply Reply Quote 0
            • T
              thanksajdotcom @coliver
              last edited by

              @coliver said:

              @Reid-Cooper said:

              @coliver said:

              Trying to figure out why my internal firewall is returning ping times of 2-300ms when it should be 0ms... I'm directly connected to it even. Jitter rate is in the 60-100% range too... something isn't right.

              Oh now that's just not right. What kind of firewall is it?

              Cisco/Meraki MX90.

              Something is flooding the network it sounds like. Wireshark?

              1 Reply Last reply Reply Quote 0
              • C
                coliver @Reid Cooper
                last edited by

                @Reid-Cooper said:

                Directly attached, no switch at all?

                Directly attached and not through a switch correct, from the punchdown directly over.

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                • T
                  thanksajdotcom @coliver
                  last edited by

                  @coliver said:

                  @Reid-Cooper said:

                  Directly attached, no switch at all?

                  Directly attached and not through a switch correct, from the punchdown directly over.

                  Bad cabling then? Have you tried rebooting the Meraki? Maybe its cache is overloaded or something, and is causing issues. The FiOS router where I live I reboot nightly to clear the cache. Cleared up all kinds of issues.

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                  • C
                    coliver @thanksajdotcom
                    last edited by coliver

                    @thanksajdotcom said:

                    @coliver said:

                    @Reid-Cooper said:

                    Directly attached, no switch at all?

                    Directly attached and not through a switch correct, from the punchdown directly over.

                    Bad cabling then? Have you tried rebooting the Meraki? Maybe its cache is overloaded or something, and is causing issues. The FiOS router where I live I reboot nightly to clear the cache. Cleared up all kinds of issues.

                    I don't think it is bad cabling, everything else on the network has appropriate response times. I've also done it via one of our VMs although that goes through a switch.

                    T M 2 Replies Last reply Reply Quote 0
                    • T
                      thanksajdotcom @coliver
                      last edited by

                      @coliver said:

                      @thanksajdotcom said:

                      @coliver said:

                      @Reid-Cooper said:

                      Directly attached, no switch at all?

                      Directly attached and not through a switch correct, from the punchdown directly over.

                      Bad cabling then? Have you tried rebooting the Meraki? Maybe its cache is overloaded or something, and is causing issues. The FiOS router where I live I reboot nightly to clear the cache. Cleared up all kinds of issues.

                      I don't think it is bad cabling, everything else on the network has appropriate response times.

                      Are you pinging it by IP or hostname?

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                      • C
                        coliver @thanksajdotcom
                        last edited by coliver

                        @thanksajdotcom IP. Probably should start a new thread for troubleshooting.

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                        • N
                          nadnerB
                          last edited by

                          Having a bit of apple pie with my custard

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                          • T
                            thanksajdotcom @coliver
                            last edited by

                            @coliver said:

                            @thanksajdotcom IP

                            Your computer is cabled and not over wifi, correct?

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                            • S
                              scottalanmiller @thanksajdotcom
                              last edited by

                              @thanksajdotcom said:

                              @coliver said:

                              @Reid-Cooper said:

                              Directly attached, no switch at all?

                              Directly attached and not through a switch correct, from the punchdown directly over.

                              Bad cabling then? Have you tried rebooting the Meraki? Maybe its cache is overloaded or something, and is causing issues. The FiOS router where I live I reboot nightly to clear the cache. Cleared up all kinds of issues.

                              That's pretty extreme. Why does a router have a cache? Other than a route cache, and how does one of those fill up post 1999?

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                              • T
                                thanksajdotcom @scottalanmiller
                                last edited by

                                @scottalanmiller said:

                                @thanksajdotcom said:

                                @coliver said:

                                @Reid-Cooper said:

                                Directly attached, no switch at all?

                                Directly attached and not through a switch correct, from the punchdown directly over.

                                Bad cabling then? Have you tried rebooting the Meraki? Maybe its cache is overloaded or something, and is causing issues. The FiOS router where I live I reboot nightly to clear the cache. Cleared up all kinds of issues.

                                That's pretty extreme. Why does a router have a cache? Other than a route cache, and how does one of those fill up post 1999?

                                Because FiOS routers are crap, despite they are supposed to be great. The router pre-nightly-reboot would work fine for 2-5 days before suddenly you couldn't access the web interface, network connections started dropping, and then it basically just crashed but didn't lose power. Then you'd have to hard power it off and back on and it'd work again for another 2-5 days. Since I setup a cron job to telnet in and reboot it nightly, we haven't had a single issue. Tell me what else it could possibly be, and I'm all ears.

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                                • C
                                  coliver @thanksajdotcom
                                  last edited by

                                  @thanksajdotcom said:

                                  @coliver said:

                                  @thanksajdotcom IP

                                  Your computer is cabled and not over wifi, correct?

                                  Correct.

                                  T 1 Reply Last reply Reply Quote 0
                                  • T
                                    thanksajdotcom
                                    last edited by

                                    Besides, the router was handling somewhere between 100 and 150GB of data transmission between up and down a day. FiOS connections may be able to handle that load, but their routers seem to become overloaded after a few days. I had the same issue with my FiOS router in Texas. Once I dropped it completely and went to my own router, the issue disappeared.

                                    1 Reply Last reply Reply Quote 0
                                    • Minion QueenM
                                      Minion Queen Banned
                                      last edited by

                                      IT"S FRIDAYYY!!!! Getting ready to travel again.

                                      S 1 Reply Last reply Reply Quote 0
                                      • T
                                        thanksajdotcom @coliver
                                        last edited by

                                        @coliver said:

                                        @thanksajdotcom said:

                                        @coliver said:

                                        @thanksajdotcom IP

                                        Your computer is cabled and not over wifi, correct?

                                        Correct.

                                        So let me see if I got this right...

                                        Cabled, pinging by IP, and this is basically how it flows?

                                        Computer > patch panel > firewall

                                        With that setup, you're getting 2-300ms response times that are somewhat random to the firewall, but everything else works fine?

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                                        • S
                                          scottalanmiller @Minion Queen
                                          last edited by

                                          @Minion-Queen said:

                                          IT"S FRIDAYYY!!!! Getting ready to travel again.

                                          Me too. Gibraltar in the morning, Cádiz tomorrow night.

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                                          • C
                                            coliver @thanksajdotcom
                                            last edited by

                                            @thanksajdotcom said:

                                            @coliver said:

                                            @thanksajdotcom said:

                                            @coliver said:

                                            @thanksajdotcom IP

                                            Your computer is cabled and not over wifi, correct?

                                            Correct.

                                            So let me see if I got this right...

                                            Cabled, pinging by IP, and this is basically how it flows?

                                            Computer > patch panel > firewall

                                            With that setup, you're getting 2-300ms response times that are somewhat random to the firewall, but everything else works fine?

                                            Pretty much. Although VoIP is having some latency issues when calling out, internally it is working as expected, except for one user. Externally audio can be a bit choppy.

                                            Every machine I've tested this with seems to have the same issue with latency when talking to the firewall, although not so much any other device on the network.

                                            R 1 Reply Last reply Reply Quote 0
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