Administrator Guide
packets, which had the Ethernet MAC SA dierent from the MAC information inside the ARP packet. This unicast data trac ooding
occurs only for those packets that use these ARP entries.
CONFIGURATION mode
ip vlan-flooding
Multicast NLB Mode
To enable a switch for multicast NLB mode of functioning, perform the following steps:
1 In the multicast mode of NLB, add a static ARP entry by entering the arp ip-address multicast-mac-address command in
Global conguration mode to associate an IP address with a multicast MAC address in the switch. This setting causes the multicast
MAC address to be mapped to the cluster IP address for the NLB mode of operation of the switch.
INTERFACE mode
arp ip-address multicast-mac-address interface
2 Associate specic MAC or hardware addresses to VLANs.
CONFIGURATION mode
mac-address-table static multicast-mac-address vlan vlan-id output-range interface
Microsoft Network Load Balancing 489