Rp Redundancy And Failover; Determining The Primary Rp - Cisco CRS-1 - Carrier Routing System Router Getting Started Manual

Chapter 7 RP Redundancy and Hardware Administration on Cisco IOS XR Software

RP Redundancy and Failover

Two RPs can be installed in slots RP0 and RP1 of a line card chassis to form a redundant set (see
Figure
Figure 7-10
PL0 PL1 PL2 PL3
PL8 PL9

Determining the Primary RP

During system startup, the first RP to boot with a valid Cisco IOS XR software boot package becomes
the active "primary RP." The primary RP can in either slot RP0 or slot RP1. You can tell which RP is the
primary RP in the following ways:
•
•
•
7-10). RP redundancy is enabled by default in the Cisco IOS XR software.
Redundant Set of RPs Installed in Slots RP0 and RP1
A0 A1 A2 AM0
B0 B1 B2 AM1
PL4 PL5 PL6 PL7
PL PL PL PL PL PL
10 11 12 13 14 15
Note: Illustration not to scale
The primary RP can be identified by the green Primary LED on the faceplate of the card. The
primary RP is indicated when the Primary LED is on.
The slot of the primary RP is indicated in the CLI prompt. For example:
RP/0/RP1/CPU0:router#
In this example, the prompt indicates that you are communicating with the primary RP in slot RP1.
See "CLI Prompt" section on page 2-4
Enter the show redundancy command in EXEC mode to display a summary of the primary and
standby RP status.
for a complete description of the CLI prompt.
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
RP Redundancy and Failover
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