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    VMware Workstation VMs Web Traffic Being Blocked

    Scheduled Pinned Locked Moved General pfSense Questions
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    • stephenw10S
      stephenw10 Netgate Administrator
      last edited by

      Or maybe we don't have a pcap taken when the Cisco was routing?

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        dfinjr @stephenw10
        last edited by

        @stephenw10
        packetcapture-6.cap VMhostSpeedTest.pcapng VMSpeedTest.pcapng

        Does this by chance show anything different. You're much faster on the analysis than I am. What I did is started a capture generic vlan on the pfsense, did a capture based on the vm host and the vm itself all fixated on speedtest.net.

        I started with a ping and then attempted to browse via IP over 443.

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        • stephenw10S
          stephenw10 Netgate Administrator
          last edited by

          Most of this missed in the pfSense capture because 1000 packets only covers 8s.
          Still only seeing inbound traffic on the host but I wonder if that's a quirk of the bridge mode.
          The VM itself still doesn't see any of the full sized packets.

          Is there a pcap from when the Cisco was routing and traffic was working?

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            dfinjr @stephenw10
            last edited by

            @stephenw10
            If it would be helpful for me to do a packet capture on the Cisco I would be happy to. Just let me know. Thank you again for all the time you're giving this.

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              dfinjr @stephenw10
              last edited by

              @stephenw10

              I'll get one for you now.

              Are you happy with the same filters as the capture before this one or anything you'd like for me to change on the capture?

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              • stephenw10S
                stephenw10 Netgate Administrator
                last edited by stephenw10

                Those filters are fine. Just to test aganst speedtest you might try using, say, 151.101.0.0/16 instead. It would be nice to capture only that traffic.

                I'm signing off for tonight though, 2.30am here. I'll check back tomorrow

                Steve

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                  dfinjr @stephenw10
                  last edited by

                  @stephenw10
                  Thank you Steve.
                  I created a capture but it was too big for the forum. You'll find them here:
                  https://drive.google.com/drive/folders/14C1MTTuwjUnvNYgDJfBy0gmiSQmO5HTQ?usp=sharing

                  Thanks for everything today!

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                    dfinjr @stephenw10
                    last edited by

                    @stephenw10
                    One last offer I was going to make was if you'd like I can also host a gotomeeting if you want to see any of this in real time. Just let me know if that would be interesting to you. Would give me a chance to thank you verbally.

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                    • DaddyGoD
                      DaddyGo @dfinjr
                      last edited by

                      @dfinjr said in VMware Workstation VMs Web Traffic Being Blocked:

                      Think I finally got a good capture. I've added it to the forum.

                      Here I am, sorry but we're on European time, UTC - so I had to leave yesterday...

                      let's try a simple thing to check for possible problems with the hypervisor

                      please install a VirtualBox if you can, see what happens with that

                      by the way, yesterday I brought up the problem of to my vexpert forum friends, we'll see, maybe we'll get there...(?)

                      Cats bury it so they can't see it!
                      (You know what I mean if you have a cat)

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                        dfinjr @DaddyGo
                        last edited by

                        @daddygo
                        Thanks for bringing it up with your vexpert contacts. I can likely setup a downstream device in the same area of the network and put virtual box on it and see what it does. I'll let you know what I get.

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                        • D
                          dfinjr
                          last edited by

                          So I went and did a bigger test and I'm sold on the idea that the Cisco ASA was doing something to the packets to make them flow. I decided to try another router (TPLink ER605) just to see how it behaved with the VMS. Not exactly the same but very very close to the same results. Interestingly enough, the tplink was able to do sites such as netgate.com and speedtest.net (which it was able to execute the speedtest.net speedtest) but the .202 client is still failing to fully load some sites such as pfsense.org and gmail.

                          So the ASA had to be doing something to make it so the packets would survive because 2 other firewalls aren't doing whatever that ASA is doing to make it behave normally...

                          I'm going to hook back up the ASA and dig into anything I see there that would stand out as anything that might be doing this as nothing comes to mind.

                          It did prove to me though that the ASA was doing something special to the traffic and that the vmware vm traffic routing is definitely not playing a regular game with the packets in one form or another. My current best guess is that the packets were arriving to the VMware VMS/hosting system in such a way that it was able to pass the traffic already modified from the ASA through the VMWare logical networking.... Just gotta figure out what that is!

                          Color me confused but feeling like we're finally on the right track.

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                            dfinjr
                            last edited by

                            just keeping everyone up to speed. No idea why this would make a lick of difference but I hard set the MTU on the labsystems interface to 1500 MTU and now speedtest.net will load and run to full expectation. Now just gotta finish sorting out the last few sites. Heading the right direction.

                            johnpozJ DaddyGoD 2 Replies Last reply Reply Quote 0
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                              dfinjr
                              last edited by

                              I went line by line on the Cisco ASA config and found nothing that would be special by any means. I'll start looking at the analysis difference between the two sets of captures.

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                              • johnpozJ
                                johnpoz LAYER 8 Global Moderator @dfinjr
                                last edited by

                                @dfinjr said in VMware Workstation VMs Web Traffic Being Blocked:

                                but I hard set the MTU on the labsystems interface to 1500 MTU

                                what is this labsystems exactly - there is nothing labeled that in your drawing.

                                An intelligent man is sometimes forced to be drunk to spend time with his fools
                                If you get confused: Listen to the Music Play
                                Please don't Chat/PM me for help, unless mod related
                                SG-4860 24.11 | Lab VMs 2.8, 24.11

                                D DaddyGoD 2 Replies Last reply Reply Quote 0
                                • DaddyGoD
                                  DaddyGo @dfinjr
                                  last edited by

                                  @dfinjr said in VMware Workstation VMs Web Traffic Being Blocked:

                                  just keeping everyone up to speed.

                                  What I recently got a warning from a "vexpert" line that there are problems with the I219-V Intel stuff in virtualization environments from the beginning, problems all over the place....

                                  these are only somewhat mitigated by the Fling community driver, it may be related(?)

                                  https://flings.vmware.com/community-networking-driver-for-esxi/
                                  https://www.virten.net/2017/02/heads-up-esxi-not-working-on-7th-gen-kaby-lake-intel-nuc/

                                  same is the case for some Linux flavours with this Intel
                                  maybe there is something in this

                                  Cats bury it so they can't see it!
                                  (You know what I mean if you have a cat)

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                                    dfinjr @johnpoz
                                    last edited by

                                    @johnpoz
                                    Labsystems is the vlan where my VMs live. 172.16.0.0/24. Connects from PFsense to the TPlink switch to the vm hosting system and the rpi.

                                    johnpozJ 1 Reply Last reply Reply Quote 0
                                    • DaddyGoD
                                      DaddyGo @johnpoz
                                      last edited by

                                      @johnpoz said in VMware Workstation VMs Web Traffic Being Blocked:

                                      what is this labsystems exactly

                                      supposed to be port 4 of SG2100

                                      Cats bury it so they can't see it!
                                      (You know what I mean if you have a cat)

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                                      • johnpozJ
                                        johnpoz LAYER 8 Global Moderator @dfinjr
                                        last edited by

                                        @dfinjr said in VMware Workstation VMs Web Traffic Being Blocked:

                                        Labsystems is the vlan where my VMs live. 172.16.0.0/24

                                        And where did you set the mtu exactly - on what? What was it that it wasn't the standard and you had to "hard code" it?

                                        An intelligent man is sometimes forced to be drunk to spend time with his fools
                                        If you get confused: Listen to the Music Play
                                        Please don't Chat/PM me for help, unless mod related
                                        SG-4860 24.11 | Lab VMs 2.8, 24.11

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                                          dfinjr @johnpoz
                                          last edited by

                                          @johnpoz
                                          d5d57e70-ecd9-45f6-8c5c-0d366ad2043c-image.png

                                          It only somewhat helped. Afterward I could get speedtest.net to render.

                                          johnpozJ 1 Reply Last reply Reply Quote 0
                                          • johnpozJ
                                            johnpoz LAYER 8 Global Moderator @dfinjr
                                            last edited by johnpoz

                                            @dfinjr and if you ssh to your pfsense and do a ifconfig - what are all the mtu for all the intefaces showing?

                                            Looking at your ciscoasa pcap - the frame sizes are sill OFF.. 1434 and 1380?

                                            An intelligent man is sometimes forced to be drunk to spend time with his fools
                                            If you get confused: Listen to the Music Play
                                            Please don't Chat/PM me for help, unless mod related
                                            SG-4860 24.11 | Lab VMs 2.8, 24.11

                                            D stephenw10S 2 Replies Last reply Reply Quote 0
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