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A broadcast storm or broadcast radiation is the accumulation of broadcast and multicast traffic on a computer network. Extreme amounts of broadcast traffic constitute a broadcast storm . It can consume sufficient network resources so as to render the network unable to transport normal traffic. [ 1 ]
In such cases, it is possible to limit the BUM traffic for specific ports in order to have a control on the number of packets or bytes that are flooded on the VLAN to other devices. This threshold is represented in kilobits per second (kbps), and it can be set for broadcast rate, multicast rate and unknown unicast rate independently.
Switching loops can cause misleading entries in a switch's media access control (MAC) database and can cause endless unicast frames to be broadcast throughout the network. A loop can make a switch receive the same broadcast frames on two different ports, and alternatingly associate the sending MAC address with the one or the other port.
However, several proprietary destination MAC addresses for STP exist, like the Cisco proprietary Per-VLAN Spanning Tree address 01:00:0C:CC:CC:CD [12] or the Extreme Networks address 03:04:08:00:07:00, and may be used instead of the standard. Length: 16 bits Combined length of the LLC Header, BPDU payload, and FCS. Logical Link Control (LLC ...
On Tuesday, Cisco Systems, Inc (NASDAQ:CSCO) announced plans for an expanded partnership with Nvidia Corp (NASDAQ:NVDA) to provide AI technology solutions to enterprises. Cisco will develop data ...
In computer networking, a unicast flood occurs when a switch receives a unicast frame and the switch does not know that the addressee is on any particular switch port. Since the switch has no information regarding which port, if any, the addressee might be reached through, it forwards the frame through all ports aside from the one through which the frame was received.
In computer networking, a media access control attack or MAC flooding is a technique employed to compromise the security of network switches.The attack works by forcing legitimate MAC table contents out of the switch and forcing a unicast flooding behavior potentially sending sensitive information to portions of the network where it is not normally intended to go.
Robbins, CEO of Cisco, posted on X, "Cisco looks forward to working with the incoming Trump Administration and Congress—as well as the governors, state lawmakers, and local officials across the ...