User guide

2 Release Notes for Cisco 2500 Series for Cisco IOS Release 12.0 T
System Requirements
System Requirements
This section describes the system requirements for Release 12.0 T and includes the following
sections:
• Memory Requirements, page 2
• Hardware Supported, page 3
• Determining Your Software Release, page 4
• Upgrading to a New Software Release, page 4
• Feature Set Tables, page 4
Memory Requirements
Table 1 Memory Requirements for Cisco 2500 Series Routers
Platform
s
Feature
Sets
1
1 If you need to upgrade the main memory for your Cisco series router, be sure to order the upgrade specific to your router.
Image Name Software Image
Required
Flash
Memory
Required
DRAM
Memory
Runs
from In
2
2 The number in the “In” column indicates the Cisco IOS release when the image was first introduced. For example, (4) means an image was introduced in
Release 12.0(4)T. If a cell in this column is empty, the interface was included in the initial base release.
Cisco
2500
Series
IP Feature
Sets
IP c2500-i-l 8 MB 6 MB Flash
IP/FW c2500-io-l 8 MB 6
4
MB Flash
IP/FW Plus IPSec 56 c2500-ios56i-l 16 MB 8 MB Flash
IP Plus c2500-is-l 16
3
MB
3 8 MB in Releases 12.0(1)T, 12.0(2)T, and 12.0(3)T.
4 MB Flash
IP Plus 40 c2500-is40-l 16
3
MB 4 MB Flash
IP Plus 56 c2500-is56-l 16
3
MB 6
4
MB Flash
IP Plus IPSec 56 c2500-is56i-l 16 MB 6
4
MB Flash
IP/H323 c2500-ix-l 8 MB 16 MB Flash (4)
IP/IBM/APPN c2500-ai3r4-l 16 MB 8 MB Flash
IP/IPX/AT/DEC c2500-d-l 8 MB 4 MB Flash
IP/IPX/AT/DEC/FW Plus c2500-dos-l 16 MB 6
4
MB Flash
IP/IPX/AT/DEC Plus c2500-ds-l 16 MB 4
5
MB Flash
Enterprise
Feature
Sets
Enterprise/APPN Plus IPSec
56
c2500-ajs56i-l 16 MB 8 MB Flash
Enterprise/FW Plus IPSec 56 c2500-jos56i-l 16 MB 8 MB Flash
Enterprise Plus c2500-js-l 16 MB 6
3
MB Flash
Enterprise Plus IPSec 56 c2500-js56i-l 16 MB 8 MB Flash
FRAD
Feature
Sets
FRAD c2500-f-l 8 MB 6
4
MB Flash
LAN FRAD/OSPF c2500-f2in-l 8 MB 6
4
MB Flash
LAN FRAD c2500-fin-l 8 MB 6
4
MB Flash
Remote Access Server (RAS) c2500-c-l 8 MB 4
5
MB Flash
ISDN c2500-g-l 8 MB 6
4
MB Flash