Yamaha 10G SWR2310-28GT/18GT/10G Command Reference - Page 193
Loop detection
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Command Reference | Layer 2 functions | 193 % Default: MSTI Bridge Id 8001ac44f2300110 % port1.8: Port Number 912 - Ifindex 5008 - Port Id 0x8390 - Role Designated State Forwarding % port1.8: Designated Internal Path Cost 0 - Designated Port Id 0x8390 % port1.8: Configured Internal Path Cost 20000 % port1.8: Configured CST External Path cost 20000 % port1.8: CST Priority 128 - MSTI Priority 128 % port1.8: Designated Root 8001ac44f2300110 % port1.8: Designated Bridge 8001ac44f2300110 % port1.8: Message Age 0 % port1.8: Hello Time 2 - Forward Delay 15 % port1.8: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 6.3.26 Show MST instance information [Syntax] show spanning-tree mst instance instance-id [interface ifname] [Keyword] interface : Specifies the interface to show [Parameter] instance-id ifname : ID of generated MST interface : Name of LAN/SFP port or logical interface Interface to show [Input mode] unprivileged EXEC mode, privileged EXEC mode, interface mode [Description] Shows information for the specified MST instance. If "interface" is omitted, information is shown for all interfaces that are assigned the specified MST instance. [Note] A LAN/SFP port that is associated with a logical interface cannot be specified as ifname. [Example] Show information for MST instance #1. SWR2310>show spanning-tree mst instance 1 % Default: MSTI Root Path Cost 0 - MSTI Root Port 0 - MSTI Bridge Priority 32768 % Default: MSTI Root Id 8001ac44f2300110 % Default: MSTI Bridge Id 8001ac44f2300110 % port1.8: Port Number 912 - Ifindex 5008 - Port Id 0x8390 - Role Designated State Forwarding % port1.8: Designated Internal Path Cost 0 - Designated Port Id 0x8390 % port1.8: Configured Internal Path Cost 20000 % port1.8: Configured CST External Path cost 20000 % port1.8: CST Priority 128 - MSTI Priority 128 % port1.8: Designated Root 8001ac44f2300110 % port1.8: Designated Bridge 8001ac44f2300110 % port1.8: Message Age 0 % port1.8: Hello Time 2 - Forward Delay 15 % port1.8: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0 % 6.4 Loop detection 6.4.1 Set loop detection function (system) [Syntax] loop-detect switch no loop-detect