CHAPTER 18
Configuring EtherChannels
•
Finding Feature Information, page 323
•
Restrictions for EtherChannels, page 323
•
Information About EtherChannels, page 324
•
How to Configure EtherChannels, page 342
•
Monitoring EtherChannel, PAgP, and LACP Status, page 358
•
Configuration Examples for Configuring EtherChannels, page 359
•
Additional References for EtherChannels, page 362
•
Feature Information for EtherChannels, page 363
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and
feature information, see Bug Search Tool and the release notes for your platform and software release. To
find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table at the end of this module.
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.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
323
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