Contents
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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide
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Release 8.2GLX
78-15908-01
Checking Ethernet and Fast Ethernet Port Connectivity
4-8
C H A P T E R
5
Configuring Gigabit Ethernet Switching
5-1
Understanding How Gigabit Ethernet Works
5-1
Understanding How Gigabit Ethernet Flow Control Works
5-1
Understanding How Port Negotiation Works
5-3
Understanding How Oversubscribed Gigabit Ethernet Works
5-4
Default Gigabit Ethernet Configuration
5-6
Configuring Gigabit Ethernet Ports
5-7
Assigning Gigabit Ethernet Port Names
5-7
Configuring Gigabit Ethernet Port Priority Levels
5-8
Configuring Flow Control on Gigabit Ethernet Ports
5-8
Enabling Port Negotiation on Gigabit Ethernet Ports
5-9
Disabling Port Negotiation
5-9
Configuring errdisable State Gigabit Ethernet Port Timeout Periods
5-9
Checking Gigabit Ethernet Port Connectivity
5-10
C H A P T E R
6
Configuring Fast EtherChannel and Gigabit EtherChannel
6-1
Understanding How EtherChannel Works
6-1
EtherChannel Overview
6-2
Understanding Frame Distribution
6-2
Hardware Support for EtherChannel
6-2
PAgP and LACP
6-2
EtherChannel Configuration Guidelines and Restrictions
6-3
Guidelines for Configuring a Port
6-3
Guidelines for Configuring VLANs and Trunks
6-4
EtherChannel Interaction with other Features
6-4
Understanding PAgP
6-5
PAgP Modes
6-5
Understanding Administrative Groups and EtherChannel IDs
6-6
Configuring EtherChannel Using PAgP
6-6
Creating an EtherChannel
6-7
Defining an EtherChannel Administrative Group
6-7
Setting the EtherChannel Spanning Tree Port Cost
6-8
Setting the EtherChannel Spanning Tree Port VLAN Cost
6-9
Removing an EtherChannel Bundle
6-9
Displaying EtherChannel Configuration Information
6-10
Displaying EtherChannel Traffic Statistics
6-11
Displaying EtherChannel PAgP Statistics
6-12