Chapter 4: Layer 2 Interface Configuration 69
Table 4-3 Switch Commands to Display EtherChannel Link Information
EtherChannel protocol used on each
module
show lacp [channel-group-number ] | {counters |
internal [detail] | neighbor [detail]} | [sys-id]
EtherChannel capabilities on a module
(exec) show interfaces capabilities
EtherChannel ID numbers
(exec) show etherchannel summary
EtherChannel load balancing
(exec) show etherchannel [channel-group] load-
balance
EtherChannel traffic utilization
(exec) show pagp [group-number] counters
(exec) show etherchannel [channel-group] {port-
channel | brief | detail | summary/port | load-balance
| protocol}
Further Reading
Refer to the following recommended sources for further information about the topics covered
in this chapter.
Ethernet
Charles Spurgeon’s Ethernet website: http://www.ethermanage.com/ethernet/ethernet.html.
Spurgeon, Charles. Ethernet: The Definitive Guide. O’Reilly and Associates, ISBN 1-56592-
660-9.
Gigabit Ethernet
The Gigabit Ethernet Alliance at http://www.gigabit-ethernet.org.
The 10 Gigabit Ethernet Alliance: http://www.10gea.org.
IEEE P802.3ae 10Gb/s Ethernet Task Force: http://grouper.ieee.org/groups/802/3/index.html.
EtherChannel
Understanding EtherChannel Load Balancing and Redundancy on Catalyst Switches:
http://www.tinyurl.com/yw2lw.
Campus Network for High Availability Design Guide: http://www.tinyurl.com/d3e6dj.
IEEE P802.3ad Link Aggregation Task Force: http://www.ieee802.org/3/ad/index.html.
Section 4-4
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