In the previous chapter, we discussed troubleshooting Layer 1 and Layer 2 issues on Cisco IOS Catalyst switches. This chapter discusses Catalyst switch Layer 3 troubleshooting, including basic routing operation and functionality on Catalyst switches and First Hop Redundancy Protocols. In addition, this chapter will also describe Catalyst switch supervisor redundancy and performance troubleshooting. The TSHOOT certification exam objectives that are covered in this chapter include the following:
- Troubleshoot first hop redundancy protocols
- Troubleshoot switch virtual interfaces
- Troubleshoot switch supervisor redundancy
This chapter will be divided in the following sections:
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