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I have updated my MacBook from 'mac OS X Mojave' to mac 'OS X Catalina'.After updating, I have found that, as soon as LAN cable is connected a router without internet (offline router), 'Catalina' starts sending “non required ARP queries” to some MAC address to which it was previously connected and is currently not in the network. The unwanted packet frequency is approx. 6 packets in 8 seconds.On 'Mojave', there are no such unwanted packets sent by the MacBook when it is connected an offline router.As shown in the screenshot, the packet number 3831, 3834, 3835, 3837, 3840, 3845 are the unwanted packets sent by MacBook which are not required.I have attached link of screenshot Wireshark log of 'Catalina' when connected to offline router for reference below.https://i.imgur.com/8kHaOL5.jpgThe link of unwanted ARP packet details can be seen in below image.https://i.imgur.com/fZNxnLM.jpgBecause of these packets, I am unable to complete ‘Homekit protocol compliance’ tests such as bonjour conformance test on 'Catalina'.Can anybody suggest a process by which these frequent unwanted ARP packets can be stopped in 'Catalina'?
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Hello, I am using BCT v1.5.0 utility for the BCT test. My BCT test is failing at ‘Initial probing’ subtest in ‘mDNS’ phase while running on mac OS X Catalina. The BCT test with same accessory run successfully on mac OS X Mojave. I compared the .pcap file of both the successful test on Mojave and unsuccessful test on Catalina. I have found that MacBook on Catalina is sending “non required ARP queries” to some MAC address to which it was previously connected and is currently not in the network. The unwanted packet frequency is approx. 6 packets in 8 seconds. On Mojave, there are no such unwanted packets sent by the MacBook. Are these unwanted packets being the actual reason behind BCT test failure on Catalina??? If yes, how to avoid macbook on Catalina sending those packets so that I can successfully pass the BCT test??? I have attached link of screenshot Wireshark log of the BCT test on Catalina for reference below. https://i.imgur.com/8kHaOL5.jpgAs shown in the screenshot, the packet number 3831, 3834, 3835, 3837, 3840, 3845 are the unwanted packets sent by MacBook which are not required. The link of unwanted packet details can be seen in below image. https://i.imgur.com/fZNxnLM.jpg
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