Posts Tagged ‘STP’

Spanning Tree Path Cost

Posted: 29th March 2021 by ccna7guru in SRWE
Tags: , , ,

The interface STP cost is an essential component for root path calculation because the root path is found based on the cumulative interface STP cost to reach the root bridge. The interface STP cost was originally stored as a 16-bit value with a reference value of 20 Gbps. As switches have developed with higher-speed interfaces, […]

802.1D Port States

Posted: 29th March 2021 by ccna7guru in SRWE
Tags: , , ,

802.1D Port StatesIn the 802.1D STP protocol, every port transitions through the following states:■ Disabled: The port is in an administratively off position (that is, shut down).■ Blocking: The switch port is enabled, but the port is not forwarding any traffic toensure that a loop is not created. The switch does not modify the MAC […]