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RC-319
Cisco IOS XR Routing Configuration Guide
OL-14356-01
Implementing and Monitoring RIB on
Cisco IOS XR Software
Routing Information Base (RIB) is a distributed collection of information about routing connectivity
among all nodes of a network.
Each router maintains a RIB containing the routing information for that router. RIB stores the best routes
from all routing protocols that are running on the system.
This module describes the tasks you need to perform to implement and monitor RIB on your
Cisco IOS XR network.
Note For more information about RIB on the Cisco IOS XR software and complete descriptions of RIB
commands listed in this module, see the “Related Documents” of this module. To locate documentation
for other commands that might appear during the execution of a configuration task, search online in the
Cisco IOS XR software master command index.
Feature History for Implementing and Monitoring RIB on Cisco IOS XR Software
Release Modification
Release 2.0 This feature was introduced on the Cisco CRS-1.
Release 3.0 No modification.
Release 3.2 Support was added for the Cisco XR 12000 Series Router.
Release 3.3.0 VPN routing and forwarding (VRF) support was added to the command
syntax.
Release 3.4.0 RIB statistics support was added using the show rib statistics command.
Disabling RIB next-hop dampening was supported.
Release 3.5.0 The following features were supported:
• IP fast reroute loop-free alternates computation
• IPv6 Provider Edge and IPv6 VPN Provider Edge over Multiprotocol
Label Switching
• RIB quarantining
Release 3.6.0 No modification.