Cisco CRS-1 - Carrier Routing System Router Troubleshooting Guide

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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
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Chapter 3 Troubleshooting Forwarding
Troubleshooting IPv4 CEF Information
Figure 3-1 provides an overview of the components involved in contributing information to the CEF
process and displays the interaction between the software and hardware elements of the CEF process.
Figure 3-1 CEF Process
To troubleshoot IPv4 CEF information on Cisco IOS XR software, perform the following procedure.
SUMMARY STEPS
1. show route ipv4 prefix mask
2. show cef ipv4 prefix mask detail
3. show cef ipv4 prefix mask detail location node-id (on ingress line card)
4. show cef ipv4 prefix mask detail location node-id (on egress line card)
5. show cef ipv4 prefix mask hardware ingress detail location node-id
6. show cef ipv4 prefix mask hardware egress detail location node-id
7. show cef ipv4 interface type instance location node-id
8. show cef ipv4 summary location node-id
9. show cef ipv4 trace location node-id
10. show cef platform trace ipv4 all location node-id
11. Contact Cisco Technical Support if the problem is not resolved
BGP
ISIS
HWLC-CPURP
GSP
PPE-1 PPE-n
RIB
LSD
BCDL
LDP
RSVP
PSE
MP
PSE
Driver
FIB
Process
Netio
IFMGR
AIB
OSPF
STATIC
ROUTES
211150
Sw
FIB
Hw
FIB

Cisco CRS-1 - Carrier Routing System Router Specifications

General

Brand	Cisco
Model	CRS-1 - Carrier Routing System Router
Category	Network Router
Language	English