All contents are Copyright © 1992–2006 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 5 of 9
Hardware components
(per base system)
4 DC power supplies,
or 3 AC supplies, or
4 AC power supplies
1 performance router
processor
16 line-card slots with
15 line cards and 1
route processor or 14
line cards and 2
route processors (1:1
redundant)
3 switch fabric cards
(SFCs)
2 clock scheduler
cards (CSCs)
2 alarm cards
Air filters
2 blower assemblies
2 cable-management
trays
Country-specific
power cords
2 DC power supplies
or 2 AC supplies
1 performance router
processor
10 line-card slots with
9 line cards and 1
route processor or 8
line cards and 2
route processors (1:1
redundant)
5 SFCs
2 CSCs
1 alarm card
Air filter
1 blower assembly
1 cable-management
tray
Country-specific
power cords
2 DC power supplies
or 2 AC supplies
1 performance router
processor
6 line-card slots with
5 line cards and 1
route processor or 4
line cards and 2
route processors (1:1
redundant)
3 SFCs
2 CSCs
1 alarm card
Air filter
1 blower assembly
1 cable-management
tray
Country-specific
power cords
2 DC power supplies
or 2 AC supplies
1 performance router
processor
4 line-card slots with
3 line cards and 1
route processor or 2
line cards and 2
route processors (1:1
redundant)
1 consolidated switch
fabric, clock
scheduler, and alarm
card
Air filter
1 blower assembly
1 cable-management
tray
Country-specific
power cords
Software components
(per base system)
Cisco IOS XR or
Cisco IOS Software
Operating System
Cisco Express
Forwarding for
distributed packet
forwarding
Cisco IOS XR or
Cisco IOS Software
Operating System
Cisco Express
Forwarding for
distributed packet
forwarding
Cisco IOS XR or
Cisco IOS Software
Operating System
Cisco Express
Forwarding for
distributed packet
forwarding
Cisco IOS XR or
Cisco IOS Software
Operating System
Cisco Express
Forwarding for
distributed packet
forwarding
Compatibility Cisco 12800: Line cards that support 2.5-, 10-, or 20-Gbps capability
Cisco 12400: Line cards that support 2.5- or 10-Gbps capability
Cisco 12000: Line cards that support 2.5-Gbps capability
Protocols IPv4, MPLS, Border Gateway Protocol Version 4 (BGPv4), Intermediate System-to-Intermediate
System (IS-IS), Open Shortest Path First Version 2.0 (OSPFv2.0), Routing Information Protocol
Version 2 (RIPv2), Internet Group Management Protocol (IGMP), Distance Vector Multicast Routing
Protocol (DVMRP), and Protocol Independent Multicast dense mode/sparse mode (PIM DX/SX)
Connectivity Packet over SONET/SDH (POS), Ethernet, ATM, copper (DS-3/E3), Channelized (CT3, ChOC-
3/CHSTM1, ChOC-12/CHSTM4, ChOC-48/CHSTM16); see Cisco IOS XR Software release notes for
specific connectivity support on the Cisco XR 12000 Series
Reliability System redundancy:
Fabric card redundancy 4:1
CSC redundancy 1:1
Power supply redundancy (1:1 for DC; AC is load balancing)
Blower redundancy 1:1
Route processor redundancy 1:1
Alarm card redundancy 1:1
Dual homing through line cards
Supports automatic protection switching (APS) ASICs
Mean time between failure (MTBF):
CSC = 240,078 hr
SFC = 276,062 hr
Management
interfaces
Cisco XR 12000 and Cisco 12000 Series Performance Route Processor (PRP) supports two serial
ports (console and auxiliary) and one 10/100 Ethernet port
Indicators and
Interfaces
Visual alarms for critical, major, and minor states on CSCs, SFCs, and on or error condition for
system alarm boards