Cisco XR 12000 Command Reference

show tech-support cef
To automatically run show commands that display information specific to Cisco Express Forwarding (CEF)
debugging, use the show tech-support cef command inEXEC mode.
show tech-support cef [vrf vrf-name [ipv4| ipv6| mpls] [A.B.C.D| A.B.C.D/length| detail| brief| interface
| rack]] [compress] [location node-id] {terminal [page]| file send-to [background] [compressed|
uncompressed]}
Syntax Description
(Optional) Specifies a VPN routing and forwarding (VRF) instance.vrf
(Optional) Name of a VRF.
vrf-name
(Optional) Specifies IPv4 CEF information.ipv4
(Optional) Specifies IPv6 CEF information.ipv6
(Optional) Specifies Multiprotocol Label Switching CEF information.mpls
(Optional) Specifies IPv4 Prefix entries.A.B.C.D
(Optional) Specifies IPv4 Prefix mask.A.B.C.D/length
(Optional) Specifies detailed CEF debugging information.detail
(Optional) Specifies a brief CEF debugging information.brief
(Optional) Specifies that the command output is saved to a specified file.file
Cisco IOS XR Advanced System Command Reference for the Cisco XR 12000 Router, Release 4.3.x
152 OL-28456-02
Tech-Support Commands
show tech-support cef

Cisco XR 12000 Specifications

General

Brand	Cisco
Model	XR 12000
Category	Network Router
Language	English