Dell Networking 7048 Configuration Manual

Also see for Networking 7048: Reference guide Release note Reference guide

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Dell Networking 7048 Configuration Manual Manual pdf 631 page image

Configuring the Spanning Tree Protocol 631How Does MSTP Operate in the Network?In the following diagram of a small 802.1d bridged network, STP is necessaryto create an environment with full connectivity and without loops.Figure 22-1. Small Bridged NetworkAssume that Switch A is elected to be the Root Bridge, and Port 1 on SwitchB and Switch C are calculated to be the root ports for those bridges, Port 2 onSwitch B and Switch C would be placed into the Blocking state. This creates aloop-free topology. End stations in VLAN 10 can talk to other devices inVLAN 10, and end stations in VLAN 20 have a single path to communicatewith other VLAN 20 devices.