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Traffic Storm Control

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Traffic Storm Control

A traffic storm is generated when messages are broadcast on a network and each message prompts a receiving node to respond by broadcasting its own messages on the network. This, in turn, prompts further responses, creating a snowball effect. The LAN is suddenly flooded with packets, creating unnecessary traffic that leads to poor network performance or even a complete loss of network service. Storm control enables the switch to monitor traffic levels and to drop broadcast, multicast, and unknown unicast packets when a specified traffic level-called the storm control level-is exceeded, thus preventing packets from proliferating and degrading the LAN
Feature hierarchy Feature Name
Traffic Storm Control / EVPN-VXLAN: Storm control
Traffic Storm Control / Storm Control
Traffic Storm Control / Storm control (broadcast and unicast)
Traffic Storm Control / Storm control (multicast)
Traffic Storm Control / Storm control on OVSDB-managed interfaces
Traffic Storm Control / Storm control, MAC filtering, and BPDU protection in EVPN-VXLAN with IPv6 underlay
Traffic Storm Control / Unknown Layer 2 unicast forwarding
Traffic Storm Control / Unknown MAC user specified forwarding action
Traffic Storm Control / Unknown unicast drop configuration for VLAN interfaces