2
Release Notes for the Cisco811 and 813 Routers forCisco IOSRelease 12.1(2)XF
78-11070-02, Rev. H0
System Requirements
System Requirements
This section describes the system requirements for Release 12.1(2)XF5 and includes the following
sections:
•Memory Requirements
•Hardware Supported, page 2
•Determining Your Software Release, page3
•Upgrading to a New Software Release, page 3
•Feature Set Tables, page4

Memory Requirements

This section describes the memory requirements for the Cisco IOS feature sets supported by Cisco IOS
Release 12.1(2)XF5 on the Cisco811 and 813 Routers.

Hardware Supported

Cisco IOS Release 12.1(2)XF5 supports the following Cisco 800 series routers:
•Cisco 811
•Cisco 813
For detailed descriptions of new hardware features, see New and Changed Information, page6.
Table1 Memory Requirements for the Cisco 811 and 813 Routers
Platforms Image Name Image
Required
Flash
Memory
Required
DRAM
Memory Runs
From
Cisco 811
and 813 IP c800-y6-mw 4 MB 8 MB RAM
IP Plus c800-sy6-mw 4 MB 8 MB RAM
IP/IPX Plus c800-nsy6-mw 4 MB 8 MB RAM
IP/FW c800-oy6-mw 4 MB 8 MB RAM
IP/FW Plus IPSec 56 c800-osy656i-mw 8 MB 8 MB RAM
IP/IPX/FW Plus IPSec 56 c800-nosy656i-mw 8 MB 8 MB RAM
Table2 Supported Interfaces for the Cisco 800 Series
Router Ethernet LAN Ports Ethernet WAN Ports Analog Phone
Ports Console
Ports
Cisco 811 One 10BaseT (RJ-45) •One ISDN BRI U,
integrated DSU (RJ-11),
•One ISDN BRI S/T (R-J45)
– RJ-45
Cisco 813 One 10BaseT (RJ-45)
4-port hub •One ISDN BRI U,
integrated DSU (RJ-11),
•One ISDN BRI S/T (R-J45)
Two (RJ-11) RJ-45