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DES-7200 Configuration Guide Chapter 8 TPP Configuration
8-4
Command Function
DES-7200(config-if)# end
Exit to the privileged mode.
The no tp-guard port enable command disables the topology protection on the port.
This command is suitable only on layer-2 switching ports and routing ports.It is
inapplicable to AP member ports.
Note
The global topology protection is the global switch for the topology
protection. When it is enabled, the device detects the running
parameters of its own and monitors the running parameters of neighbor
devices at the same time. When abnormity appears locally, it sends
abnormity notification messages to the neighbor devices. When the port
topology protection function is enabled, if abnormity occurs locally, it
sends abnormity notification message to neighbor devices.
8.4 Typical TPP
Configuration Examples
The figure below shows a dual-core networking topology:
Figure-2:
As shown in the figure, A and B are L3 convergence devices, while C, D and E are L2
access devices.
The MSTP enabled on A, B, C, D, and E, and VRRP enabled on A and B. The topology
protection function enables the MSTP and VRRP to operate more reliable, avoiding
unnecessary vibration of the network topology.