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Chapter 4 System Startup and Basic Configuration
Powering On the Router and Observing the Boot Process
4-6
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Step 5
Observe the status of the RP interfaces (see
Figure 4-2
for the GRP and
Figure 4-3
for the PRP).
The LEDs on the RP show system status, the active flash memory card slot, the
Ethernet connection in use, and the status of the Ethernet interface.
•
PCMCIA flash memory card slot LEDs (labeled Slot-0 and Slot-1) are on
when the slot is accessed.
•
PRP—RJ-45 Ethernet port LEDs show the port activity:
–
LINK: Link activity
–
EN: port enabled
–
TX: data transmission
–
RX: data reception
•
GRP—RJ-45 and MII Ethernet LEDs identify which of the two Ethernet
connections is selected (only one port can be operational at a time). RJ-45
LEDs show port activity.
–
LINK: Link activity
–
COLL: Collision detection
–
TX: data transmission
–
RX: data reception
PRI
RP
The RP is enabled and is recognized as the system primary RP. A valid
Cisco IOS image is running.
RP Cisco IOS
software
SEC
RP
The RP is enabled and is recognized as the system secondary RP. A
valid Cisco IOS image is running.
RP Cisco IOS
software
1.
Some LED sequences may occur too quickly to view.
2.
The version of MBus microcode running on your system might be different.
Table 4-1
RP Alphanumeric LED Display Sequence Examples (continued)
LED Display
1
Meaning
Source