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## Set the MTU Value of the Port Channel

If you change the MTU value of the port channel, the new value is applied on all of the ports in the bundle. All of the port channel member ports are bundled in switch A.

1. Create the port channel (1 in this example).

       SEFOS# configure terminal
       SEFOS(config)# interface port-channel 1
       SEFOS(config-if)# shutdown

2. Set the MTU value (1000 in this example).

       SEFOS(config-if)# mtu 1000
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# exit

3. Create the physical interface (0/2 in this example).

       SEFOS(config)# interface extreme-ethernet 0/2
       SEFOS(config-if)# shutdown

4. Set the MTU value for the interface.

       SEFOS(config-if)# mtu 1000
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# exit

5. Review the `etherchannel` information.

       SEFOS# show etherchannel 1 detail

       Port-channel Module Admin Status is enabled
       Port-channel Module Oper Status is enabled
       Port-channel System Identifier is  00:01:02:03:04:01

       LACP System Priority: 32768

                        Channel Group Listing
                        ---------------------
       Group: 1
       ----------
       Protocol :LACP

                        Ports in the Group
                        ------------------
       Port : Ex0/1
       -------------
       Port State = Up in Bundle
       Channel Group : 1
       Mode : Active
       Pseudo port-channel = Po1
       LACP port-priority  = 128
       LACP Wait-time  = 2 secs
       LACP Port Identifier = 1
       LACP Activity : Active
       LACP Timeout : Long

       Aggregation State : Aggregation, Sync, Collecting, Distributing, Defaulted

       Port : Ex0/2
       -------------
       Port State = Up in Bundle
       Channel Group : 1
       Mode : Active
       Pseudo port-channel = Po1
       LACP port-priority  = 128
       LACP Wait-time  = 2 secs
       LACP Port Identifier = 2
       LACP Activity : Active
       LACP Timeout : Long

       Aggregation State : Aggregation, Sync, Collecting, Distributing, Defaulted
                        LACP Port   Admin  Oper   Port    Port
       Port     State   Priority    Key    Key    Number  State
       ---------------------------------------------------------
       Ex0/1    Bundle  128         1      1      0x1     0xbe
       Ex0/2    Bundle  128         1      1      0x2     0xbe

       Port-channel : Po1
       -------------------
       Number of Ports = 2
       HotStandBy port = null
       Port state = Port-channel Ag-Inuse
       Protocol = LACP
       MAC selection = Dynamic

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