Extreme Switches and Microsoft Multicast NLB I’ve recently been troubleshooting an issue with Extreme Switches and Microsoft Multicast NLB. The Extreme switches (along with many other major Layer 3 switch vendors – Cisco, Juniper etc) have the issue that they break the NLB’s ability to mask the MAC address in use. When you use Extreme … Continue reading Extreme Switches and Microsoft Multicast NLB