Enabling a Switch for Multicast NLB
To enable a switch for Multicast NLB mode, perform the following steps:
- Add a static ARP entry by entering the arp ip-address multicast-mac-address command in the Global
configuration mode to associate an IP address with a multicast MAC
address in the switch.
CONFIGURATION modearp ip-address multicast-mac-address interfaceThis setting causes the multicast MAC address to be mapped to the Cluster IP address for the NLB mode of operation of the switch.NOTE While configuring static ARP for the Cluster IP, provide any one of the interfaces that is used in the static multicast MAC configuration, where the Cluster host is connected. As the switch does not accept only one ARP-interface pair, if you configure static ARP with each egress interface, the switch overwrites the previous egress-interface configuration.
- Associate specific MAC or hardware addresses
to VLANs.
CONFIGURATION modemac-address-table static multicast-mac-address vlan vlan-id output-range interfaceNOTE When you use the mac-address-table static multicast-mac-address command in a VLT setup, Dell EMC Networking OS recommends to add VLTi as one of the egress interfaces along with other cluster facing interfaces.