MacOS quickly became a popular device of choice for Wireless Professionals but many of the applications required the Windows OS to run. Then it became widely known that Apple MacBooks were able to switch their built-in Wi-Fi interface to monitor mode for native wireless sniffing. The cost of these tools meant that it was difficult for the average Network Engineer to be readily equipped with such capabilities. There was also AirMagnet Wi-Fi Analyzer that required a specific AirMagnet card and driver for packet analysis and Wi-Fi troubleshooting. An AirPcap USB interface was a pretty coveted device in the 2010's as it allowed for sniffing of 802.11n wireless frames directly in software like Wireshark on a Windows laptop. My only option seems to be to disabled the Comodo driver on the NIC to get traffic flowing properly.In the old days if you wanted to do wireless protocol analysis you really needed some specialised equipment. I can ping from PC to virtual router but not the other way round. The bridged connection STILL has Comodo driver enabled. This is the REAL world connection for my virtual routers so I need to use this NIC.Ĭreated a loopback adapter in Windows (no IP address - IP assigned via DHCP). I have tried allowing all on the firewall but to no avail. Its strange that it works using a cloud connection direct to router but not direct to switch.
Wireshark capturing on real NIC of PC shows ICMP echo then eventually a reply. Also arp table on router shows correct MAC for NIC. Show mac on the switch displays the correct MAC for router and NIC. I couldn’t even get any traffic through until I found the fixes from various threads about disabling:Īs Wireshark was showing incorrect checksums. However, if I connect direct to the virtual router from cloud wireless or cloud loopback or cloud Realtek NIC it works OK. Also I have tried connecting a Linksys wireless NIC to a virtual switch and get the same issues. I have had the same intermittent ping when I connect a loopback to a virtual switch. Some pings will time out, some will reply. If I create a virtual switch between my router and cloud then I get intermittent pings. If I connect a cloud (bound to my NIC) and link to a router, everything works fine. This is near enough what I posted on GNS3.
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