Broadcast, Unknown Unicast, and Multicast Suppression Syslog and SNMP notification

Rate limiting broadcast, unknown unicast, and multicast (BUM) traffic protects a switch, router node, or network from Denial of Service (DoS) attacks or unintentional traffic configurations. When an incoming packet exceeds the maximum number of bytes that you set with rate limiting, a syslog notification is generated.

BUM Suppression Restrictions and Limitations

• All of the restrictions that apply to configuring ACLs on an interface apply to BUM suppression. For the restrictions that apply to ACLs, refer to the RUCKUS FastIron Security Configuration Guide. The main restriction is that you cannot change VLAN membership of a port.
• By default, the syslog logs once a minute; however, you can configure syslog notifications so that they log at a maximum interval of every 10 minutes.