TAILIEUCHUNG - Misconfigured RSM (Troubleshooting LAN Switches)

This lab provides a scenario on troubleshooting Inter-VLAN routing with a Route Switch Module (RSM) on a Catalyst family switch. When it comes to troubleshooting the RSM, the first thing to do is to think of it as a simple external router. It is very seldom that a RSM specific issue is causing a problem when Inter-VLAN routing is concerned. Therefore, two main areas where this could occur are RSM hardware related issues or Inter-VLAN configuration specific issues (mostly related to the interaction between routers and switches) | Lab Misconfigured RSM Troubleshooting LAN Switches DLRouter DLSwitch 2 3 VLAN 1 Network 24 VLAN 1 Gateway 4006 L3 Crossover Connection Trunk Fast0 1 ALSwitch 2900XL-Ent Fa 0 12 VLAN 10 Network 24 VLAN 10 Gateway Client 24 Objective This lab provides a scenario on troubleshooting Inter-VLAN routing with a Route Switch Module RSM on a Catalyst family switch. When it comes to troubleshooting the RSM the first thing to do is to think of it as a simple external router. It is very seldom that a RSM specific issue is causing a problem when Inter-VLAN routing is concerned. Therefore two main areas where this could occur are RSM hardware related issues or Inter-VLAN configuration specific issues mostly related to the interaction between routers and switches . Scenario This is not part of the International Travel Agency network. As the Enterprise Network Administrator you have a medium-size switched network. The L3 module failed yesterday and was replaced this morning. Unfortunately the configuration was not saved and the L3 module had to be reconfigured. After configuring the sub-interfaces the router will still not link to the switch. Lab Tasks Cable the lab as shown in the diagram. Clear the DLRouter configuration using the following commands Router erase start Erasing the nvram filesystem will remove all files Continue confirm y OK Erase of nvram complete Router reload Proceed with reload confirm y Clear the DLSwitch configuration using the following commands Console enable clear config all This command will clear all configuration in NVRAM. This command will cause ifIndex to be reassigned on the next system startup. 1-5 Semester 8 Internetwork Troubleshooting - Lab Copyright 2001 Cisco Systems Inc. Do you want to continue y n n y .2001 Jun 16 12 29 45 PAGP-5-PORTFROMSTP Port 2 1 left bridge port 2 1 .2001 Jun 16 12 29 45 PAGP-5-PORTFROMSTP Port 2 2 left bridge port 2 2 .

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