Aim : To investigate and implementation of various layer 2 and layer 3 LAN deployments using OPNET modellerOBJECTIVES:To configure and analyze Spanning Tree creation and its effect on network performance.To implement spanning tree protocols node models with support of port-based VLAN operations.To analyze and compare spanning tree with rapid spanning tree and multiple spanning tree protocols.To configure VLAN configurations like inter VLAN communications and Multiple Spanning Tree Protocol (MSTP) deployment with layer-2 load sharing.To assess the resiliency of typical network access switch block using Hot Standby Router Protocol (HSRP ) along with Spanning Tree Protocol and VLANs .
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