Cisco Catalyst 3750 Software Configuration Guide

CHAPTER
34-1
Catalyst 3750 MetroSwitch Software Configuration Guide
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34
Troubleshooting
This chapter describes how to identify and resolve software problems related to the Cisco IOS software
on the Catalyst 3750 Metro switch.
Additional troubleshooting information is provided in the hardware installation guide.
Note For complete syntax and usage information for the commands used in this chapter, refer to the command
reference for this release and the Cisco IOS Command Summary for Release 12.1.
This chapter consists of these sections:
• Recovering from Corrupted Software By Using the XMODEM Protocol, page 34-2
• Recovering from a Lost or Forgotten Password, page 34-3
Note Recovery procedures require that you have physical access to the switch.
• Preventing Autonegotiation Mismatches, page 34-7
• SFP Module Security and Identification, page 34-8
• Using Ping, page 34-8
• Using Layer 2 Traceroute, page 34-10
• Using IP Traceroute, page 34-11
• Using Debug Commands, page 34-13
• Using the show platform forward Command, page 34-14
• Using the crashinfo File, page 34-17

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing