5
Release Notes for Cisco uBR924 Cable Access Router for Cisco IOS Release 12.1(5)T
OL-0385-04 Rev. B0 (2/2001)
System Requirements
System Requirements
This section describes the system requirements for Cisco IOS Releases 12.1(5)T:
• Memory Recommendations, page 5
• Headend Interoperability, page 6
• Hardware Supported, page 7
• Determining the Software Version, page 8
• Upgrading to a New Software Release, page 8
• Feature Set Tables, page 8
Memory Recommendations
Table 2 lists the memory recommendations for each of the feature sets available for the Cisco uBR924
Cable Access Router in Cisco IOS Release 12.1(5)T. The image subset legend for Table 2 is as follows:
• y5=Reduced IP image with Easy IP functionality (PAT/NAT/DHCP server)
• v4=Voice set
• o3=Firewall (Phase II) feature set
• k1=DOCSIS baseline privacy
• 56i=56-bit IPSec
• k2=Triple DES IPSec (Phase I)
7. SID = Service ID
8. SNMP = Simple Network Management Protocol
9. VPN = Virtual Private Network
10. DES = Data Encryption Standard
11. VoIP = Voice over Internet Protocol
12. NAT = Network Address Translation
13. PAT = Port Address Translation
14. RIP V2 = Routing Information Protocol version 2
Table 2 Memory Recommendations for the Cisco uBR924 Cable Access Router,
Release 12.1(5)T Feature Sets
Feature Set Matrix Term
1
Image Name
Minimum
Flash
Memory
Minimum
DRAM
Memory
Runs
From
Home Office with Voice—Base
image with Easy IP and Voice
ubr920-k1v4y5-mz 4 MB Flash 16 MB DRAM RAM
Value Telecommuter—Easy IP,
Voice, and IPSec 56
ubr920-k1v4y556i-mz 4 MB Flash 16 MB DRAM RAM
Performance Telecommuter—
Easy IP, Voice, and IPSec 3DES
ubr920-k1k2v4y5-mz 4 MB Flash 16 MB DRAM RAM
Comments to this Manuals