Cisco Catalyst 2950 Software Configuration Manual page 23

Troubleshooting
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C H A P T E R
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Understanding the Port Aggregation Protocol and Link Aggregation Protocol
PAgP and LACP Modes
Physical Learners and Aggregate-Port Learners
PAgP and LACP Interaction with Other Features
Understanding Load Balancing and Forwarding Methods
Configuring EtherChannels
Default EtherChannel Configuration
EtherChannel Configuration Guidelines
Configuring Layer 2 EtherChannels
Configuring EtherChannel Load Balancing
Configuring the PAgP Learn Method and Priority
Configuring the LACP Port Priority
Configuring Hot Standby Ports
Configuring the LACP System Priority
Displaying EtherChannel, PAgP, and LACP Status
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Using Recovery Procedures
Recovering from a Software Failure
Recovering from Lost or Forgotten Passwords on Non-LRE Catalyst 2950 Switches
Recovering from Lost or Forgotten Passwords on Catalyst 2950 LRE Switches
Password Recovery with Password Recovery Enabled
Procedure with Password Recovery Disabled
Recovering from Lost or Forgotten Passwords on Catalyst 2955 Switches
Recovering from a Command Switch Failure
Replacing a Failed Command Switch with a Cluster Member
Replacing a Failed Command Switch with Another Switch
Recovering from Lost Member Connectivity
Preventing Autonegotiation Mismatches
GBIC and SFP Module Security and Identification
Diagnosing Connectivity Problems
Using Ping
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Understanding Ping
Executing Ping
31-15
Using Layer 2 Traceroute
Understanding Layer 2 Traceroute
Usage Guidelines
Displaying the Physical Path
Diagnosing LRE Connection Problems
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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
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Contents
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