Glossary
GL-4
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
OL-13208-11
F
FECP
Forwarding engine control processor. A general purpose CPU on the forwarding processor primarily
responsible for managing the forwarding engine and its connection to I/O.
FH
Full height shared port adapter
FIB
Cisco Forwarding Information Base
Field-replaceable
Cisco component can be returned if damaged
FPD
Field-programmable devices are hardware devices implemented on router cards that support separate
software upgrades. A field-programmable gate array (FPGA) is a type of programmable memory device
that exists on some cards in Cisco routers. The term, FPD, in general describes any type of
programmable hardware device, including FPGAs
FPD image package
Used to upgrade FPD images. Whenever a Cisco IOS image is released that supports SPAs, a
companion SPA FPD image package is also released for that Cisco IOS software release.
FPDS
Forwarding Path Data Structures
FRU
Field-replaceable unit
G
GEC
Gigabit Ether Channel. This is the logical aggregation of gigabit ethernet links for resiliency and load
sharing as defined in the 802.3ad protocol.
GRE
Generic Route Encapsulation
H
HQF
Hierarchical Queuing Framework
H.248
A VoIP signaling protocol, usually used between a dumb device and a clever controller. It is similar in
functionality to Media Gateway Control Protocol
(
MGCP). It is used to communicate between SBC and
DBE in a distributed SBC system.
HH
Half height shared port adapters
I
IOCP
IO Control Processor. General purpose CPU managing the SPA’s.
IOS
Internetworking Operating System