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Glossary
Field-programmable device. General term for any hardware component implemented on router cards
FPD
that supports separate software upgrades. SIPs and SPAs must have the right FPD version to function
properly; an FPD incompatibility will disable all interfaces on the SPA or all SPAs within the SIP.
Used to upgrade FPD images. Whenever a Cisco IOS image is released that supports SPAs, a
FPD image package
companion SPA FPD image package is also released for that Cisco IOS software release.
Forwarding Path Data Structures
FPDS
Field-replaceable unit
FRU
G
Gigabit Ether Channel. This is the logical aggregation of gigabit ethernet links for resiliency and load
GEC
sharing as defined in the 802.3ad protocol.
Generic Route Encapsulation
GRE
H
Hierarchical Queuing Framework
HQF
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.
Half height shared port adapters
HH
I
IO Control Processor. General purpose CPU managing the SPA's.
IOCP
Internetworking Operating System
IOS
This refers to IOS daemon running as a process under Linux on the ASR1000- RP1. IOSD is the IOS
IOSD
process on IOS-SR. The bulk of the control plane, all routing protocols, configuration file management
and so on all are the domain of IOSD.
The Linux-based software infrastructure running on the Cisco ASR1000 series routers.
IOS-SR
Inter Process Communication. Any method of passing data between processes running in separate
IPC
address spaces.
In service software upgrade. This refers to a software upgrade when the system is in use. This allows
ISSU
for two distinct versions of software running on a pair for ASR1000-RP1s while allowing for stateful
switchover between the ASR1000-RP1s.
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide
GL-4
OL-13208-03
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Troubleshooting
