Contents
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Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Running Ping 5-6
Using IP Traceroute 5-7
Understanding How IP Traceroute Works 5-7
Running IP Traceroute 5-7
Using Layer 2 Traceroute 5-8
Understanding Layer 2 Traceroute 5-8
Layer 2 Traceroute Usage Guidelines 5-8
Running Layer 2 Traceroute 5-9
Configuring ICMP 5-10
Enabling ICMP Protocol Unreachable Messages 5-10
Enabling ICMP Redirect Messages 5-11
Enabling ICMP Mask Reply Messages 5-11
CHAPTER
6 Configuring Supervisor Engine Redundancy Using RPR and SSO 6-1
Understanding Cisco IOS NSF-Awareness Support 6-2
Understanding Supervisor Engine Redundancy 6-3
Overview 6-3
RPR Operation 6-4
SSO Operation 6-4
Understanding Supervisor Engine Redundancy Synchronization 6-6
RPR Supervisor Engine Configuration Synchronization 6-6
SSO Supervisor Engine Configuration Synchronization 6-7
Supervisor Engine Redundancy Guidelines and Restrictions 6-7
Configuring Supervisor Engine Redundancy 6-8
Configuring Redundancy 6-8
Synchronizing the Supervisor Engine Configurations 6-10
Performing a Manual Switchover 6-11
Performing a Software Upgrade 6-12
Manipulating Bootflash on the Redundant Supervisor Engine 6-14
CHAPTER
7 Environmental Monitoring and Power Management 7-1
Understanding Environmental Monitoring 7-1
Using CLI Commands to Monitor your Environment 7-2
System Alarms 7-2
Power Management 7-3
Power Management for the Catalyst 4948 Switches 7-3
Power Management for the Catalyst 4500 Series Switches 7-4
Power Management for the Catalyst 4006 Switch 7-12