The stp tc-restriction enable command enables TC/TCN packet suppression.
The undo stp tc-restriction enable command disables TC/TCN packet suppression.
By default, TC/TCN packet suppression is disabled.
Usage Scenario
If TC/TCN packets do not need to be flooded, you can run the stp tc-restriction enable command to enable TC/TCN packet suppression. In this way, after receiving TC/TCN packets, an interface neither updates local ARP and MAC entries nor floods the packets to other interfaces on the device.
<HUAWEI> system-view [~HUAWEI] mpls [*HUAWEI-mpls] quit [*HUAWEI] mpls l2vpn [*HUAWEI-l2vpn] quit [*HUAWEI] vsi 1 [*HUAWEI-vsi-1] pwsignal ldp [*HUAWEI-vsi-1-ldp] vsi-id 33 [*HUAWEI-vsi-1-ldp] peer 1.1.1.1 [*HUAWEI-vsi-1-ldp] peer 1.1.1.1 pw pw1 [*HUAWEI-vsi-1-ldp-pw-pw1] quit [*HUAWEI-vsi-1-ldp] pw pw1 [*HUAWEI-vsi-1-ldp-pw-pw1] stp tc-restriction enable