3-9
Cisco 1721 Router Hardware Installation Guide
78-13834-02
Chapter 3 Troubleshooting
Problem Solving
Table 3-2
Troubleshooting WICs
Symptom
Possible Cause(s)
Router does not recognize
WIC.
•
Confirm that the Cisco IOS software version installed in the router
supports the WIC. The
Cisco WAN Interface Cards Hardware
Installation Guide
lists the software requirements for each card.
•
Make sure that the WIC is correctly installed in the router. See the
“Installing WICs”
section in the
“Installation”
chapter of this guide.
•
Use the
show diag
command to display information about the card:
Router#
show diag
Slot 0:
C1721 1FE Mainboard port adapter, 4 ports
Port adapter is analyzed
Port adapter insertion time unknown
Hardware revision 0.0 Board revision UNKNOWN
Serial number 1314672220 Part number
00-0000-00
Test history 0x0 RMA number
00-00-00
EEPROM format version 1
EEPROM contents (hex):
0x20: 01 B2 00 00 4E 5C 4E 5C 00 00 00 00 00 00 00
00
0x30: 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00
00
WIC Slot 0:
Serial 1T WAN daughter card
Hardware revision 1.1 Board revision E0
Serial number 7131279 Part number
73-1775-02
Test history 0x0 RMA number
00-00-00
Connector type Wan Module
EEPROM format version 1
EEPROM contents (hex):
0x20: 01 02 01 01 00 6C D0 8F 49 06 EF 02 00 00 00
00
0x30: 70 00 00 00 98 01 23 01 FF FF FF FF FF FF FF
FF