37-10
Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide
OL-12247-01
Chapter 37 Configuring EtherChannels and Link-State Tracking
Configuring EtherChannels
For more information about switch stacks, see
Chapter 5, “Managing Switch Stacks.”
Configuring EtherChannels
These sections contain this configuration information:
•
Default EtherChannel Configuration, page 37-10
•
EtherChannel Configuration Guidelines, page 37-11
•
Configuring Layer 2 EtherChannels, page 37-12
(required)
•
Configuring Layer 3 EtherChannels, page 37-14
(required)
•
Configuring EtherChannel Load-Balancing, page 37-17
(optional)
•
Configuring the PAgP Learn Method and Priority, page 37-18
(optional)
•
Configuring LACP Hot-Standby Ports, page 37-19
(optional)
Note
Make sure that the ports are correctly configured. For more information, see the
“EtherChannel
Configuration Guidelines” section on page 37-11
.
Note
After you configure an EtherChannel, configuration changes applied to the port-channel interface apply
to all the physical ports assigned to the port-channel interface, and configuration changes applied to the
physical port affect only the port where you apply the configuration.
Default EtherChannel Configuration
Table 37-3
shows the default EtherChannel configuration.
Table 37-3
Default EtherChannel Configuration
Feature
Default Setting
Channel groups
None assigned.
Port-channel logical interface
None defined.
PAgP mode
No default.
PAgP learn method
Aggregate-port learning on all ports.
PAgP priority
128 on all ports.
LACP mode
No default.
LACP learn method
Aggregate-port learning on all ports.
LACP port priority
32768 on all ports.
LACP system priority
32768.
LACP system ID
LACP system priority and the switch MAC address.
Load-balancing
Load distribution on the switch is based on the
source-MAC address of the incoming packet.
