Tag: Network Troubleshooting
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kdig: An Advanced DNS Lookup Utility
Introduction When it comes to diagnosing and troubleshooting network issues, performing DNS lookups is a fundamental task. While tools like dig and nslookup have been around for years, kdig has emerged as a powerful and flexible DNS lookup utility that offers advanced features, better performance, and enhanced security. This article explores kdig, its functionalities, how… Read more…
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Fixing macOS Ethernet (en0) IPv6 SLAAC Issues Caused by IGMP Snooping in VLAN Environments
Introduction Many macOS users rely on both Ethernet and Wi-Fi for network connectivity. However, some users have encountered a puzzling issue: while their Wi-Fi (en1) interface correctly obtains an IPv6 address and functions as expected, their Ethernet (en0) interface, despite also obtaining an IPv6 address, fails to communicate externally via IPv6. This issue is particularly… Read more…