CHAPTER 5
Configuring EtherChannels
•
Finding Feature Information, page 105
•
Restrictions for EtherChannels, page 105
•
Information About EtherChannels, page 106
•
How to Configure EtherChannels, page 123
•
Monitoring EtherChannel, PAgP, and LACP Status, page 135
•
Configuration Examples for Configuring EtherChannels, page 136
•
Additional References for EtherChannels, page 137
•
Feature Information for EtherChannels, page 138
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Restrictions for EtherChannels
•
All ports in an EtherChannel must be assigned to the same VLAN or they must be configured as trunk
ports.
•
When the ports in an EtherChannel are configured as trunk ports, all the ports must be configured with
the same mode (either Inter-Switch Link [ISL] or IEEE 802.1Q).
•
Port Aggregation Protocol (PAgP) can be enabled only in single-switch EtherChannel configurations;
PAgP cannnot be enabled on cross-stack EtherChannels.
Catalyst 2960-XR Switch Layer 2 Configuration Guide, Cisco IOS Release 15.0(2)EX1
OL-29424-01 105
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