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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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show interfaces port-channel

Display information on configured Port Channel groups.

Syntax show interfaces port-channel [ channel-number] [brief| description]
Parameters
channel-number For a Port Channel interface, enter the keyword port-channel followed by a number. The range is from 1 to 128.
brief (OPTIONAL) Enter the keyword brief to display only the port channel number, the state of the port channel, and the number of interfaces in the port channel.
description (OPTIONAL) Enter the keyword description to display interface information with description.
  • NOTE: This command also enables you to view information corresponding to a range of ports.
    • For port-channel interfaces, you can specify multiple ports as port-range. For example, if you want to display information corresponding to all ports between 1 and 4, specify the port range as show interfaces port-channel 1 - 4.
Command Modes
  • EXEC
  • EXEC Privilege
Supported Modes All Modes
Command History
Version Description
9.9(0.0) Introduced on the FN IOM and added support to display the interface configurations corresponding to a range of ports.
9.7(0.0) Introduced on the M I/O Aggregator.
9.4(0.0) Supported on the FN I/O Aggregator.
Usage Information The following describes the show interfaces port-channel command shown in the following example.
Field Description
Port-Channel 1... Displays the status of LAG. In the Example, the status of the LAG, LAG fate-sharing group (“Failover-group”) is listed.
Hardware is... Displays the interface’s hardware information and its assigned MAC address.
Port-channel is part... Indicates whether the LAG is part of a LAG fate-sharing group (“Failover-group”).
Internet address... States whether an IP address is assigned to the interface. If an IP address is assigned, that address is displayed.
MTU 1554... Displays link and IP MTU.
LineSpeed Displays the interface’s line speed. For a port channel interface, it is the line speed of the interfaces in the port channel.
Members in this... Displays the interfaces belonging to this port channel.
ARP type:... Displays the ARP type and the ARP timeout value for the interface.
Last clearing... Displays the time when the show interfaces counters were cleared.
Queueing strategy. States the packet queuing strategy. FIFO means first in first out.
packets input... Displays the number of packets and bytes into the interface.
Input 0 IP packets... Displays the number of packets with IP headers, VLAN tagged headers, and MPLS headers. The number of packets may not add correctly because a VLAN tagged IP packet counts as both a VLAN packet and an IP packet.
0 64-byte... Displays the size of packets and the number of those packets entering that interface. This information is displayed over two lines.
Received 0... Displays the type and number of errors or other specific packets received. This information is displayed over three lines.
Output 0... Displays the type and number of packets sent out the interface. This information is displayed over three lines.
Rate information... Displays the traffic rate information into and out of the interface. Traffic rate is displayed in bits and packets per second.
Time since... Displays the time since the last change in the configuration of this interface.
Example (EtherScale) 
Dell#show interfaces port-channel
                                             Port-channel 1 is down, line protocol is down
                                             Hardware address is 00:1e:c9:f1:00:05, Current address is 00:1e:c9:f1:00:05
                                             Interface index is 1107755009
                                             Minimum number of links to bring Port-channel up is 1
                                             Internet address is not set
                                             Mode of IP Address Assignment : NONE
                                             DHCP Client-ID :lag1001ec9f10005
                                             MTU 12000 bytes, IP MTU 1500 bytes
                                             LineSpeed auto
                                             Members in this channel:
                                             ARP type: ARPA, ARP Timeout 04:00:00
                                             Last clearing of "show interface" counters 03:28:00
                                             Queueing strategy: fifo
                                             Input Statistics:
                                             0 packets, 0 bytes
                                             0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
                                             0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
                                             0 Multicasts, 0 Broadcasts
                                             0 runts, 0 giants, 0 throttles
                                             0 CRC, 0 overrun, 0 discarded
                                             Output Statistics:
                                             0 packets, 0 bytes, 0 underruns
                                             0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
                                             0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
                                             0 Multicasts, 0 Broadcasts, 0 Unicasts
                                             0 throttles, 0 discarded, 0 collisions
User Information The following describes the show interfaces port-channel brief command shown in the following example.
Field Description
LAG Lists the port channel number.
Mode Lists the mode:
  • L3 — for Layer 3
  • L2 — for Layer 2
Status Displays the status of the port channel.
  • down — if the port channel is disabled ( shutdown)
  • up — if the port channel is enabled ( no shutdown)
Uptime Displays the age of the port channel in hours:minutes:seconds.
Ports Lists the interfaces assigned to this port channel.
(untitled) Displays the status of the physical interfaces (up or down).
  • In Layer 2 port channels, an * (asterisk) indicates which interface is the primary port of the port channel. The primary port sends out interface PDU.
  • In Layer 3 port channels, the primary port is not indicated.
Example 
Dell#show int po bri
                                             Codes: L - LACP Port-channel
                                             O - OpenFlow Controller Port-channel
                                             A - Auto Port-channel
                                             I - Internally Lagged
                                             LAG Mode Status Uptime Ports 
                                             L    128 L3 down 00:00:00 
                                             Dell#

To indicate the LACP fallback, Internally lagged is added to the list. When the LAG auto-configures itself, the LAG status describes as ‘I’.

Related Commands

show lacp — displays the LACP matrix.

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