1-33 system-viewSystem View: return to User View with Ctrl+Z.[Sysname] interface Ethernet 1/0/1[Sysname-Ethernet1/0/1] stp instance 2 port priority 16z Set the port priority of Ethernet 1/0/1 in MSTI 2 to 16 in system view. system-viewSystem View: return to User View with Ctrl+Z.[Sysname] stp interface Ethernet 1/0/1 instance 2 port priority 16# Set the port priority of Ethernet 1/0/2 to Ethernet 1/0/4 in MSTI 2 to 16 in system view. system-viewSystem View: return to User View with Ctrl+Z.[Sysname] stp interface Ethernet 1/0/2 to Ethernet 1/0/4 instance 2 port priority 16stp portlogSyntaxstp [ instance instance-id ] portlogundo stp [ instance instance-id ] portlogViewSystem viewParametersinstance instance-id: Specifies an MSTI ID, ranging from 0 to 16. The value of 0 indicates the CIST.DescriptionUse the stp portlog command to enable log and trap message output for the ports of a specifiedinstance.Use the undo stp portlog command to disable this function.By default, log and trap message output is disabled.Executing the stp portlog command (without using the instance instance-id parameters) will enablelog and trap message output for the ports of instance 0.Examples# Enable log and trap message output for the ports of instance 1. system-viewSystem View: return to User View with Ctrl+Z.[Sysname] stp instance 1 portlogstp portlog allSyntaxstp portlog allundo stp portlog all