Configuring Etherchannels; Creating An Etherchannel - Cisco N5010P-N2K-BE Software Configuration Manual

Chapter 11

Configuring EtherChannels

S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
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LACP Marker Responders
Using EtherChannels, data traffic may be dynamically redistributed due to either a link failure or load
balancing. LACP uses the Marker Protocol to ensure that frames are not duplicated or reordered because
of this redistribution. Cisco NX-OS supports only Marker Responders.
LACP-Enabled and Static EtherChannels Differences
Table 11-3
and static EtherChannels.
Table 11-3
Configurations
Protocol applied
Channel mode of links
Maximum number of links
in channel
Configuring EtherChannels
You can configure multiple EtherChannels on a device.
This section includes the following topics:
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Creating an EtherChannel

You can create an EtherChannel before creating a channel group. Cisco NX-OS automatically creates
the associated channel group.
OL-16597-01
A port in passive mode cannot form an EtherChannel with another port that is also in passive mode
because neither port will initiate negotiation.
A port in on mode is not running LACP.
provides a brief summary of major differences between EtherChannels with LACP enabled
EtherChannels with LACP Enabled and Static EtherChannels
Creating an EtherChannel, page 11-7
Adding a Port to an EtherChannel, page 11-8
Configuring Load Balancing Using EtherChannels, page 11-9
Enabling LACP, page 11-10
Configuring Port-Channel Port Modes, page 11-10
Configuring the LACP System Priority and System ID, page 11-11
Configuring the LACP Port Priority, page 11-11
EtherChannels with LACP Enabled
Enable globally.
Can be either:
Active
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Passive
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8
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
Configuring EtherChannels
Static EtherChannels
Not applicable.
Can only be On.
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11-7