C H A P T E R 3

Message and Recovery Procedures

This chapter describes the Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 switch system messages in alphabetical order by facility. Within each facility, the messages are listed by severity levels 0 to 7: 0 is the highest severity level, and 7 is the lowest severity level. Each message is followed by an explanation and a recommended action.

The messages listed in this chapter do not include the hostname or the date/time stamp designation that displays only if the software is configured for system log messaging.

The chapter includes these message facilities:

ACLMGR Messages, page 3-3

AUTOQOS Messages, page 3-8(only Catalyst 3550 switches)

BACKUP_INTERFACE Messages, page 3-8

BADTRANSCEIVER Messages, page 3-9(only Catalyst 3750 and 2975 switches)

BSPATCH Messages, page 3-9

CFGMGR Messages, page 3-10(only Catalyst 3750 and 2975 switches)

CMP Messages, page 3-13

DHCP_SNOOPING Messages, page 3-14

DHCP_SNOOPING_CAT3550 Messages, page 3-17(only Catalyst 3550 switches)

DOT1Q_TUNNELLING Messages, page 3-18(only Catalyst 3550 switches)

DOT1X Messages, page 3-18

DOT1X_SWITCH Messages, page 3-19

DTP Messages, page 3-23

DWL Messages, page 3-24

EC Messages, page 3-25

ENVIRONMENT Messages, page 3-29(only Catalyst 3550 switches)

ETHCNTR Messages, page 3-30

EXPRESS_SETUP Messages, page 3-34

FM Messages, page 3-35(only Catalyst 3550 switches)

FRNTEND_CTRLR Messages, page 3-44(only Catalyst 3750 and 2975 switches)

GBIC Messages, page 3-45(only Catalyst 3550 switches)

GBIC_SECURITY Messages, page 3-48

Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide

 

OL-8551-04

3-1

 

 

 

Page 19
Image 19
Cisco Systems 3750 manual Message and Recovery Procedures, Autoqos Messages, page 3-8only Catalyst 3550 switches

3750 specifications

The Cisco Systems 3750 series is a family of enterprise-class stackable switches that were designed to provide high-performance networking solutions for organizations requiring robust management features, security, and scalability. Known for their reliability and advanced capabilities, the 3750 series is particularly aimed at accommodating the demands of LAN environments in organizations ranging from small businesses to large enterprises.

One of the defining features of the Cisco 3750 series is its StackWise technology. This innovative feature enables the stacking of up to nine switches together, allowing them to function as a single logical unit. This results in simplified management, higher redundancy, and increased scalability. The StackWise technology allows for seamless failover and enhanced bandwidth between the stacked switches.

In terms of performance, the 3750 series supports Layer 2 and Layer 3 switching, offering routing capabilities to handle both traditional and modern network demands. It is equipped with advanced Quality of Service (QoS) features, ensuring that critical applications such as voice and video are prioritized for optimal performance.

The Cisco 3750 also features extensive security capabilities. It incorporates features such as IEEE 802.1X authentication, DHCP snooping, and dynamic ARP inspection to protect against unauthorized access and various network attacks. These enhancements help maintain data integrity and secure communications across the network.

Another noteworthy characteristic of the 3750 series is its support for Power over Ethernet (PoE). PoE allows for the delivery of power over Ethernet cables to connected devices, such as IP phones and wireless access points, facilitating simpler installations and reducing the need for additional power outlets.

The Cisco 3750 series also provides a comprehensive set of management tools. With features like Cisco's Embedded Event Manager (EEM) and extensive SNMP support, network administrators can efficiently monitor and manage network performance, troubleshoot issues, and maintain high availability.

Additionally, the series is compatible with Cisco's IOS software, which provides a rich set of features, including advanced routing protocols, multicast support, and extensive security options, further enhancing the functionality and versatility of the switches.

Overall, the Cisco Systems 3750 series stands out for its stackable design, high-performance features, security capabilities, and management tools, making it a popular choice for organizations looking for dependable and scalable networking solutions.