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Glossary
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. |
FPD image package
FPDS
FRU
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.
Forwarding Path Data Structures
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
H.248
Hierarchical Queuing Framework
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.
HHHalf height shared port adapters
I
IOCP |
| IO Control Processor. General purpose CPU managing the SPA’s. | ||
IOS |
| Internetworking Operating System | ||
IOSD |
| This refers to IOS daemon running as a process under Linux on the ASR1000- RP1. IOSD is the IOS | ||
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| and so on all are the domain of IOSD. | |
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IPC |
| Inter Process Communication. Any method of passing data between processes running in separate | ||
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| address spaces. | |
ISSU |
| In service software upgrade. This refers to a software upgrade when the system is in use. This allows | ||
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| for two distinct versions of software running on a pair for | |
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| switchover between the | |
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| Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide | |
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