Foundation Topics

The Cisco Nexus switches have the capability to be enabled for IP Version 4 and 6 routing protocols; this chapter focuses on IPv4 routing protocol configurations. When implementing these protocols on a Cisco Nexus switch, it is important to understand the fundamentals of routing on any Cisco Layer 3 switch. First, two different types of interfaces can participate in Layer 3 operations. One is referred to as a routed interface, where you disable switching on this interface using the no switchport command and dedicate it for Layer 3 operations. Example 21-1 shows how you would configure a routed interface on a Cisco Nexus Layer 3 switch.

Example 21-1 “Routed” Interface Configuration

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R2# configure ...

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