Cisco ASR1002 - ASR 1002 Router Software Configuration Guide

Software Packaging and Architecture
Processes Overview
6
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
Processes Overview
Cisco IOS XE has numerous components that run entirely as separate processes on the Cisco ASR 1000
Series Routers. This modular architecture increases network resiliency by distributing operating
responsibility among separate processes rather than relying on Cisco IOS software for all operations.
This section covers the following topics:
• IOS as a Process, page 7
• Dual IOS Processes, page 8
Table 2 pr
ovides a list of the important individual processes for the Cisco ASR 1000 Series Routers.
These processes run in the background, and the CLI
on Cisco ASR 1000 Series Routers using Cisco
IOS-XE is identical in look, feel, and usage to the Cisco IOS CLI on most platforms. This information
is provided because it may be useful for checking router state and troubleshooting, but understanding
this information is not essential to understanding most router operations.
Ta b l e 2 Individual Processes
Process Purpose Affected FRUs
SubPackage
Mappi
ng
Chassis Manager Responsible for all chassis
managemen
t functions,
including management of the
HA state, environmental
monitoring, and FRU state
control.
RP (one instance per
RP)
SIP (one instance per
SIP)
ESP (one instance per
ESP)
RPControl
SIPBase
ESPBase
Host Manager Provides an interface between
the IO
S process and many of
the information-gathering
functions of the underlying
platform kernel and operating
system.
RP (one instance per
RP)
SIP (one instance per
SIP)
ESP (one instance per
ESP)
RPControl
SIPBase
ESPBase
Logger Provides IOS facing logging
ser
vices to processes running
on each FRU.
RP (one instance per
RP)
SIP (one instance per
SIP)
ESP (one instance per
ESP)
RPControl
SIPBase
ESPBase
Interface Manager Provides an interface between
the IO
S process and the
per-SPA interface processes on
the SIP.
RP (one instance per
RP)
SIP (one instance per
SIP)
RPControl
SIPBase
IOS The IOS process implements
al
l forwarding and routing
features for the router.
RP (one per software
redundancy instance per
RP). Maximum of two
instances per RP.
RPIOS

Cisco ASR1002 - ASR 1002 Router Specifications

General

Form Factor	Rack-mountable
Maximum Throughput	10 Gbps
Operating System	Cisco IOS XE
Product Type	Router
Product Series	ASR 1000
Model	ASR1002
Encryption Throughput	Up to 2.5 Gbps
Memory	4 GB DRAM
Power Supply	AC or DC
Interfaces	4 x SFP
Redundancy	Power supply (optional)
Input Voltage	100-240 VAC
Modular Slots	2 x SPA slots
Rack Unit Height	2U