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7-4
Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, NX-OS Release 5.0(3)U1(1)
Chapter 7 Configuring RIP
Licensing Requirements for RIP
Cisco NX-OS supports the Equal Cost Multiple Paths (ECMP) feature with up to 16 equal-cost paths in
the RIP route table and the unicast RIB. You can configure RIP to load balance traffic across some or all
of those paths.
Virtualization Support
Cisco NX-OS supports multiple instances of the RIP protocol that runs on the same system. RIP supports
Virtual Routing and Forwarding instances (VRFs).
By default, Cisco NX-OS places you in the default VRF unless you specifically configure another VRF.
See Chapter 9, “Configuring Layer 3 Virtualization.”
Licensing Requirements for RIP
The following table shows the licensing requirements for this feature:
Prerequisites for RIP
RIP has the following prerequisites:
• You must enable the RIP feature (see the “Enabling the RIP Feature” section on page 7-5).
Guidelines and Limitations
RIP has the following configuration guidelines and limitations:
• Cisco NX-OS does not support RIPv1. If Cisco NX-OS receives a RIPv1 packet, it logs a message
and drops the packet.
• Cisco NX-OS does not establish adjacencies with RIPv1 routers.
Default Settings
Table 7-1 lists the default settings for RIP parameters.
Product License Requirement
Cisco NX-OS RIP requires no license. Any feature not included in a license package is bundled with the Cisco NX-OS
system images and is provided at no extra charge to you. For a complete explanation of the Cisco NX-OS
licensing scheme, see the Cisco NX-OS Licensing Guide.
Note Make sure the LAN Base Services license is installed on the switch to enable Layer 3 interfaces.
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