Operation Manual – MSTPH3C S3100-52P Ethernet Switch Chapter 1 MSTP Configuration1-54To do... Use the command... RemarksEnter system view system-view —Enable MSTP globally stp enable —Enable the VLAN-VPNtunnel function globally vlan-vpn tunnelRequiredThe VLAN-VPN tunnel functionis disabled by default.Enter Ethernet portviewinterface interface-typeinterface-numberMake sure that you enter theEthernet port view of the portfor which you want to enablethe VLAN-VPN tunnel function.Enable the VLAN VPNfunction for theEthernet portvlan-vpn enableRequiredBy default, the VLAN VPNfunction is disabled on all ports.Note:z The VLAN-VPN tunnel function can be enabled on STP-enabled devices only.z To enable the VLAN-VPN tunnel function, make sure the links between serviceprovider networks are trunk links.1.10 STP Maintenance Configuration1.10.1 IntroductionIn a large-scale network with MSTP enabled, there may be many MSTP instances, andso the status of a port may change frequently. In this case, maintenance personnel mayexpect that log/trap information is output to the log host when particular ports fail, sothat they can check the status changes of those ports through alarm information.1.10.2 Enabling Log/Trap Output for Ports of MSTP InstanceFollow these steps to enable log/trap output for ports of MSTP instance:To do... Use the command... RemarksEnter system view system-view —Enable log/trap output forthe ports of a specifiedinstancestp [ instanceinstance-id ] portlogRequiredBy default, log/trap outputis disabled for the ports ofall instances.
