C
CAM
content-addressable memory
CAR
committed access rate
CCA
circuit card assembly
CDP
Cisco Discovery Protocol
CEF
Cisco Express Forwarding
CHAP
Challenge Handshake Authentication Protocol
CIR
committed information rate
CLI
command-line interface
CLNS
Connection-Less Network Service
CMNS
Connection-Mode Network Service
COPS
Common Open Policy Server
COPS-DS
Common Open Policy Server Differentiated Services
CoS
class of service
CPLD
Complex Programmable Logic Device
CRC
cyclic redundancy check
CRF
concentrator relay function
CST
Common Spanning Tree
D
DAI
Dynamic ARP Inspection
DBL
Dynamic Buffer Limiting
DCC
Data Country Code
dCEF
distributed Cisco Express Forwarding
DDR
dial-on-demand routing
DE
discard eligibility
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
A-2
Appendix A
Abbreviations
OL-27596 -01