Chapter 1 Product Overview
Line Card and Route Processor Overview
1-16
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
The Secure Domain Router (SDR) controls domain security features independent
of any other SDRs on the network.
In addition to the functionality listed for the PRP-2, PRP-3 provides the following
specific functions:
•
Reduced boot time.
•
Increased overall scalability.
•
Improved memory access rates and scale.
•
Improved CPU performance through dual 1.3-GHz PPC processor cores.
•
Improved packet processing using hardware-based acceleration.
•
10-G bandwidth backplane connectivity.
•
Support for all 124
xx
and 128
xx
chassis, except low–speed fabric (2.5 G).
•
New ROMMON that supports IPv4 network configuration directly.
Performance Route Processor Overview
The performance route processor (PRP) uses a Motorola PowerPC 7450 CPU that
runs at an external bus clock speed of 133 MHz and has an internal clock speed
of 667 MHz.
Figure 1-9
identifies the slots, ports, and LEDs on the PRP front panel.
Figure 1-9
Performance Route Processor-2 (PRP-2) Front Panel
Table 1-1
Performance Route Processor-2 (PRP-2) Front Panel Hardware Components
EJECT
RX
TX
PRIMARY
SLO
T-
1
SLO
T-
0
LINK
EN
RX
TX
ETH 1
ETH 0
AUX
CONSOLE
PERFORMANCE ROUTE PROCESSOR 1 (PRP-1)
LINK
PRIMARY
EN
RESET
129307
1
3
4
5
2
6
