Cisco Nexus 7000 Series - CHAPTER 15 Managing the Unicast RIB and FIB; Information about the Unicast RIB and FIB

CHAPTER
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15-1
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
15
Managing the Unicast RIB and FIB
This chapter describes how to manage routes in the unicast Routing Information Base (RIB) and the
Forwarding Information Base (FIB) on the Cisco NX-OS device.
This chapter includes the following sections:
• Information About the Unicast RIB and FIB, page 15-1
• Licensing Requirements for the Unicast RIB and FIB, page 15-3
• Guidelines and Limitations, page 15-3
• Managing the Unicast RIB and FIB, page 15-4
• Verifying the Unicast RIB and FIB, page 15-13
• Additional References, page 15-14
• Feature History for Unicast RIB and FIB, page 15-14
Information About the Unicast RIB and FIB
The unicast RIB (IPv4 RIB and IPv6 RIB) and FIB are part of the Cisco NX-OS forwarding architecture,
as shown in Figure 15-1.
Figure 15-1 Cisco NX-OS Forwarding Architecture
URIB
Unicast FIB Distribution Module (uFDM)
Unicast Forwarding Information Base (UFIB)
Adjacency Manager (AM)
ISIS BGP OSPF ARP
Supervisor and
module components
Supervisor components
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