Yamaha 10G SWR2310-28GT/18GT/10G Command Reference - Page 195
Note], Example], Syntax], loop-detect, blocking, Parameter], Setting value, Description, Initial
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Command Reference | Layer 2 functions | 195 [Note] This command can be specified only for LAN/SFP port. In order to enable the loop detection function, the loop detection function must be enabled on the entire system in addition to this command. Even if the loop detection function is enabled, the loop detection function does not operate on the following interfaces. • LAN/SFP port on which the spanning tree function is operating. However, because a Forwarding port transmits and receives LDF, the loop detection will operate if misconnection or another issue causes a loop to occur. • LAN/SFP port that is operating as a trunk port for which native VLAN is not specified • LAN/SFP port that is inside a logical interface The following table shows which function is enabled depending on the settings of the spanning tree function (STP) and the loop detection function (LPD). Interface LPD disabled LPD enabled STP disabled STP enabled STP disabled STP enaabled STP disabled - LPD disabled STP enabled - System STP disabled - LPD enabled STP enabled - - - - STP - STP - LPD LPD STP LPD STP [Example] Enable the loop detection function of LAN port #1. SWR2310(config)#interface port1.1 SWR2310(config-if)#loop-detect enable Disable the loop detection function of LAN port #1. SWR2310(config)#interface port1.1 SWR2310(config-if)#loop-detect disable 6.4.3 Set port blocking for loop detection [Syntax] loop-detect blocking switch no loop-detect blocking [Parameter] switch : Set port blocking for the applicable interface Setting value enable disable Description Enables port blocking for the applicable interface Disables port blocking for the applicable interface [Initial value] loop-detect blocking enable [Input mode] interface mode [Description] Enables or disables blocking when a loop is detected for the applicable interface. If this is executed with the "no" syntax, the setting returns to the default. [Note] This command can be specified only for LAN/SFP port. [Example] Block if a loop is detected on LAN port #1.