Configure ERPS Network Optimization
Configuration Conditions
Before configuring the ERPS network optimization, first complete the following task:
Configure the Switching Mode of the ERPS Port Blocking
Since the bandwidth of the link where the RPL owner port is located may be able to carry more user traffic, it is possible to consider blocking the link with low bandwidth so that the user traffic can be transmitted back to RPL.
Table 11-5 Configure the switching mode of the ERPS port blocking
Step
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Command
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Description
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Configure the switching mode of the ERPS port blocking
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erps ring ring-id { interface interface-name | interface link-aggregation link-aggregation-id } switch { force | manual }
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Mandatory
By default, do not configure the switching mode of the blocking point of the ERPS ring port.
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Clear the Blocking Points of ERPS Configuration
Clear the blocking points of the ERPS ring configuration.
Table 11-6 Clear the blocking points of the ERPS configuration
Step
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Command
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Description
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Clear the blocking points of the ERPS configuration
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clear erps ring ring-id
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Mandatory
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Configure the Notification of ERPS Topology Change
When the topology of the ERPS loop changes and the superior L2 network is not notified in time, the MAC address table of the superior L2 network still retains the MAC address table entries before the downstream network topology changes, which will cause the interruption of the user traffic. In order to ensure the normal communication of user traffic, it is necessary to select the notification object of the ERPS loop according to the actual network of the user.
Table 11-7 Configure the notification of the ERPS ring topology change
Step
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Command
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Description
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Enter the global configuration mode
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configure terminal
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-
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Enter the ERPS configuration mode
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erps ring ring-id
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-
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Configure the notification of the ERPS ring topology change
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tc-notify erps ring ring-list
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Mandatory
By default, do not notify the change of the ERPS topology.
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Configure ERPS TC Limit Function
The frequent notification of topology change will lead to the decline of CPU processing capacity, and the flush-FDB packets frequently refreshed on the ERPS ring occupy network bandwidth. In order to avoid this situation, it is necessary to suppress the notification packets of topology change. By configuring the protection interval of ERPS topology change and the maximum threshold of the topology change packets processed in the protection interval of the topology change, suppress the notification of topology change and avoid deleting the MAC address entries and ARP entries frequently, so as to protect the equipment.
Table 11-8 Configure the ERPS TC limit function
Step
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Command
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Description
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Enter the global configuration mode
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configure terminal
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-
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Enter the ERPS configuration mode
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erps ring ring-id
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-
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Configure enabling the TC limit of the ERPS topology change
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tc-limit enable
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Mandatory
By default, do not enable the TC limit function.
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Configure the interval of the TC limit of the ERPS topology change
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tc-limit interval interval-value
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Optional
The default interval is 2s, and the value range is 1-500s.
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Configure the threshold of the TC limit of the ERPS topology change
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tc-limit threshold threshold-value
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Optional
The default value is 3, and the value range is 1-64.
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