112
Default: Switch ports do not belong to a port channel by default; LACP not enabled by
default.
Usage Guide: If the specified port group does not exist, a group will be created first to
add the ports. All ports in a port group must be added in the same mode, i.e., all ports use
the mode used by the first port added. Adding a port in ―on‖ mode is a ―forced‖ action,
which means the local end switch port aggregation does not rely on the information of the
other end, port aggregation will succeed as long as there are 2 or more ports in the group
and all ports have consistent VLAN information. Adding a port in ―active‖ or ―passive‖
mode enables LACP. Ports of at least one end must be added in ―active‖ mode, if ports of
both ends are added in ―passive‖ mode, the ports will never aggregate.
Example: Under the Port Mode of Ethernet1/1, add current port to ―port-group 1‖ in
―active‖ mode.
Switch(Config-If-Ethernet1/1)#port-group 1 mode active
8.5 show port-group
Command: show port-group [<port-group-number>] {brief | detail | load-balance |
port | port-channel}
Parameters: <port-group-number> is the group number of port channel to be displayed,
from 1 to 14; brief displays summary information; detail displays detailed information;
load-balance displays load balance information; port displays member port information;
port-channel displays port aggregation information.
Command mode: Admin and Configuration Mode.
Usage Guide: If port-group-number is not specified, then information for all port groups
will be displayed.
Example: 1. Display the summary information of port-group 1.
Switch#sho port-group brief
ID: port group number; Mode: port group mode such as on active or passive;
Ports: different types of port number of a port group,
the first is selected ports number, the second is standby ports number, and
the third is unselected ports number.
ID Mode Partner ID Ports Load-balance
---------------------------------------------------------------
1 active 0x8000,0012-cf4d-e1a1 8,1,1 dst-src-mac
10 passive 0x8000,0012-cf4d-e1b2 8,2,0 dst-src-ip
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