Cisco 3700 series User Manual

A-4
Cisco 3700 Series Routers Hardware Installation Guide
OL-2180-08
Appendix A Troubleshooting
Reading Front-Panel LEDs
• Router does not boot properly, or constantly or intermittently reboots.
– Make sure that all modules are firmly seated in their slots.
– Check the router chassis or software. See the “Obtaining Technical Assistance” section on
page xvii for information about customer service.
• Router boots, but the console screen is frozen.
– Check the external console connection.
– Verify that the parameters for your terminal are set as follows:
(a) The same data rate as configured for the router (9600 baud is the default)
(b) 8 data bits
(c) No parity generated or checked
(d) 2 stop bits
• Router powers on and boots only when a particular module is removed.
– Check the module. See the “Obtaining Technical Assistance” section on page xvii for
information about customer service.
• Router powers on and boots only when a particular cable is disconnected.
– There may be a problem with the module or cable. See the “Obtaining Technical Assistance”
section on page xvii for information about customer service.
Reading Front-Panel LEDs
The LEDs on the front panel of the router enable you to determine router performance and operation.
Figure A-1 and Figure A-2 show the LEDs on the front panel of the router. For an explanation of these
LEDs see Table A-1 and Table A-2.
Figure A-1 Cisco 3725 Router Front-Panel LEDs
72082
Cisco 3700 SERIES
PWR LED
SYS/RPS LED
ACT LED
PWR
SYS
RPS
ACT
PWR
SYS
RPS
ACT

Cisco 3700 series Specifications

General

Connectivity Technology	Wired
Operating System	Cisco IOS
Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-4 to 149°F (-20 to 65°C)
Routing Protocols	BGP, OSPF, EIGRP, RIP, IS-IS
Network Management	SNMP, CiscoWorks
Security Features	ACLs, VPN, Firewall, RADIUS, TACACS+
Product Type	Network Router
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, Frame Relay, ATM
Network/Transport Protocol	TCP/IP, UDP
Remote Management Protocol	SNMP, Telnet, SSH
Features	Quality of Service (QoS)
WAN Interfaces	Serial, ISDN, Frame Relay, ATM
LAN Interfaces	Ethernet, Fast Ethernet, Gigabit Ethernet
Processor	Motorola PowerPC
Interfaces	Variety of modular interface cards including Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, ISDN, ATM, and Voice/WAN Interface Cards (VICs/VWICs)