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Switch1(Config-If-Ethernet1/2)#port-group 1 mode on
Switch1(Config-If-Ethernet1/2)#exit
Switch1(config)#interface ethernet 1/3
Switch1(Config-If-Ethernet1/3)#port-group 1 mode on
Switch1(Config-If-Ethernet1/3)#exit
Switch1(config)#interface ethernet 1/4
Switch1(Config-If-Ethernet1/4)#port-group 1 mode on
Switch1(Config-If-Ethernet1/4)#exit
Switch2#config
Switch2(config)#port-group 2
Switch2(config)#interface ethernet 1/6
Switch2(Config-If-Ethernet1/6)#port-group 2 mode on
Switch2(Config-If-Ethernet1/6)#exit
Switch2(config)#interface ethernet 1/8-10
Switch2(Config-If-Port-Range)#port-group 2 mode on
Switch2(Config-If-Port-Range)#exit
Configuration result:
Add ports 1, 2, 3, 4 of S1 to port-group1 in order, and we can
see a group in “on” mode is
completely joined forcedly, switch in other ends won’t exchange LACP PDU to complete
aggregation. Aggregation finishes immediately when the command to add port 2 to port-group
1 is entered, port 1 and port 2 aggregate to be port-channel 1, when port 3 joins port-group 1,
port-channel 1 of port 1 and 2 are ungrouped and re-aggregate with port 3 to form port-
channel 1, when port 4 joins port-group 1, port-channel 1 of port 1, 2 and 3 are ungrouped and
re-aggregate with port 4 to form port-channel 1. (It should be noted that whenever a new port
joins in an aggregated port group, the group will be ungrouped first and re-aggregated to form
a new group.) Now all four ports in both S1 and S2 are aggregated in “on” mode and become
an aggregated port respectively.
9.5 Port Channel Troubleshooting
If problems occur when configuring port aggregation, please first check the following for
causes.
Ensure all ports in a port group have the same properties, i.e., whether they are in full-duplex
mode, forced to the same speed, and have the same VLAN properties, etc. If inconsistency
occurs, make corrections.
Some commands cannot be used on a port in port-channel, such as arp, bandwidth, ip, ip-
forward, etc.
Содержание QSW-2800 series
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