Cisco Cisco IOS Software Release 12.4(20)YA
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Release Notes for Cisco 800 Series Integrated Services Routers with Cisco IOS Release 12.4(20)YA
OL-19218-01
System Requirements
System Requirements
This section describes the system requirements for Cisco IOS Release 12.4(20)YA and includes the
following sections:
following sections:
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Memory Requirements
lists the memory requirements for the Cisco IOS feature sets that are supported by Cisco IOS
Release 12.4(20)YA on the Cisco 800 series routers.
Release 12.4(20)YA on the Cisco 800 series routers.
Memory Requirements for the Cisco 880 Series ISRs
Platform
Feature Sets
Image Name
Flash
DRAM
(MB)
(MB)
Cisco 860
Advsecurityk9
c860-universalk9-mz
128
256
Cisco 880
Data
Data
Advsecurityk9, Advipservicesk9
c880data-universalk9-mz
128
256
Cisco 851,
Cisco 857
Cisco 857
Cisco 850 Series IOS Advanced Security
c850-advsecurityk9-mz
20
64
Cisco 861
Cisco 860 Series IOS Universal
c860-universalk9-mz
128
256
Cisco 871,
Cisco 876,
Cisco 877,
Cisco 878
Cisco 876,
Cisco 877,
Cisco 878
Cisco 870 Series IOS Advanced IP Services
c870-advipservicesk9-mz
24
128
Cisco 870 Series IOS Advanced Security
c870-advsecurityk9-mz
24
128
Cisco 881
Cisco 888
Cisco 880 Series IOS Universal Data
c880data-universalk9-mz
128
256