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6-13
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 6 Configuring OSPFv2
Prerequisites for OSPFv2
Prerequisites for OSPFv2
OSPFv2 has the following prerequisites:
• You must be familiar with routing fundamentals to configure OSPF.
• You are logged on to the switch.
• You have configured at least one interface for IPv4 that is capable of communicating with a remote
OSPFv2 neighbor.
• You have installed the Enterprise Services license.
• You have completed the OSPFv2 network strategy and planning for your network. For example, you
must decide whether multiple areas are required.
• You have enabled the OSPF feature (see the “Enabling the OSPFv2 Feature” section on page 6-14).
• You have installed the Advanced Services license and entered the desired VDC (see the Cisco Nexus
7000 Series NX-OS Virtual Device Context Configuration Guide, Release 4.x) if you are configuring
VDCs.
Configuration Guidelines and Limitations
OSPFv2 has the following configuration guidelines and limitations:
• You can have up to four instances of OSPFv2 in a VDC.
• Cisco NX-OS displays areas in dotted decimal notation regardless of whether you enter the area in
decimal or dotted decimal notation.
Note If you are familiar with the Cisco IOS CLI, be aware that the Cisco NX-OS commands for this feature
might differ from the Cisco IOS commands that you would use.
Configuring Basic OSPFv2
Configure OSPFv2 after you have designed your OSPFv2 network.
This section includes the following topics:
• Enabling the OSPFv2 Feature, page 6-14
• Creating an OSPFv2 Instance, page 6-15
Product License Requirement
NX-OS OSPFv2 requires an Enterprise Services license. For a complete explanation of the NX-OS licensing scheme
and how to obtain and apply licenses, see the Cisco NX-OS Licensing Guide.
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