The timer hello command sets the interval at which an E-Trunk sends hello packets.
The undo timer hello command restores the default interval for sending hello packets.
By default, the value of hello-times is 10, in 100 ms. That is, the default interval for sending hello packets is 1s.
Only the S5720-EI, S5720-HI, S5720I-SI, S5720S-SI, S5720-SI, S5735-S, S5735S-S, S5735-S-I, S5730-HI, S5730S-EI, S5730-SI, S5731-H, S5731-S, S5731S-H, S5731S-S, S5732-H, S6720-EI, S6720-HI, S6720-LI, S6720S-EI, S6720S-LI, S6720S-SI, S6720-SI, S6730-H, S6730S-H, S6730-S, and S6730S-S support this command.
Parameter | Description | Value |
---|---|---|
hello hello-times | Specifies the interval for sending hello packets. | The value is an integer that ranges from 5 to 100. The unit is 100 ms. The default value is 10. |
The timer hello command sets the interval at which the master and backup devices of an E-Trunk send hello packet. If the backup device receives no hello packet from the master device after certain number of intervals (specified by the timer hold-on-failure multiplier command for detecting hello packets), the backup device becomes the master.
Configuring a timeout period longer than 5 minutes is recommended, so that the Eth-Trunk packets can be sent to the peer device within the timeout period when a master/backup switchover is performed.