Free Cisco Lab

This lab covers a range of problems and requires that you make use of your troubleshooting skills to resolve the routing and switching problems introduced. This lab focuses on routing and switching connectivity issues related to EtherChannel, STP, OSPF, EIGRP, and ACLs. 

For each task or trouble ticket, the trouble scenario and problem symptom are described. While troubleshooting, you will discover the cause of the problem, correct it, and then document the process and results. 

Trouble Tickets and Troubleshooting Logs

This lab includes four tasks. Each task is associated with a trouble ticket (TT) and introduces one or more errors on one or more devices. If time is a consideration, each task or trouble ticket can be performed independently. 

Troubleshooting Reference Information

A generic troubleshooting flow is provided for analysis. Suggested commands are provided for each trouble ticket. 

Note: That due to the switching requirements there is no GNS3 or Packet Tracer topology provided for this lab, and will require real hardware to complete. This lab uses Cisco 1841 routers with Cisco IOS Release 12.4(24)T1 and the advanced IP image c1841-advipservicesk9-mz.124-24.T1.bin. The switches are Cisco WS-C2960-24TT-L with the Cisco IOS image c2960-lanbasek9-mz.122-46.SE.bin and Catalyst 3560-24PS with the Cisco IOS image c3560-advipservicesk9-mz.122-46.SE.bin. Other routers (such as 2801 and 2811), switches (such as 2950 or 3550), and Cisco IOS Software versions can be used if they have comparable capabilities and features. Depending on the router or switch model and Cisco IOS Software version, the commands available and output produced might vary from what is shown in this lab. 

Required Resources

• 3 routers (Cisco 1841 with Cisco IOS Release 12.4(24)T1 Advanced IP Service or comparable).
• 1 switch (Cisco 2960 with the Cisco IOS Release 12.2(46)SE C2960-LANBASEK9-M image or comparable).
• 2 switches (Cisco 3560 with the Cisco IOS Release 12.2(46)SE C3560-advipservicesk9-mz image or comparable).
• SRV1 (Windows PC with static IP address) with TFTP and syslog servers plus an SSH client (PuTTY or comparable) and WireShark software.
• PC-B (Windows PC DHCP client) with PuTTY and WireShark software.
• PC-C (Windows PC DHCP client) with PuTTY and WireShark software.
• Serial and Ethernet cables.

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