... switch. Switch A Port # Switch B12 3 456789101112 3 - 4 CCNA 3: Switching Basics and Intermediate Routing v 3. 0 - Lab 7.2.6 Copyright 20 03, Cisco Systems, Inc. Step 6 Remove ... troubleshoot the hosts and switches configurations. 2 - 4 CCNA 3: Switching Basics and Intermediate Routing v 3. 0 - Lab 7.2.6 Copyright 20 03, Cisco Systems, Inc. Step 4 Look at the show interface ... 1 - 4 CCNA 3: Switching Basics and Intermediate Routing v 3. 0 - Lab 7.2.6 Copyright 20 03, Cisco Systems, Inc. Lab 7.2.6 Spanning Tree Recalculation...