H3C S7500 Series Operation Manual
Also see for S7500 Series: Operation manualOperation manualOperation manualOperation manualCommand manual
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Contents
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Operation Manual – MSTPH3C S7500 Series Ethernet Switches Chapter 1 MSTP Configuration1-35between them. (A configuration ID contains information such as region ID andconfiguration digest.)As some other vendors' switches adopt proprietary spanning tree protocols, theycannot interwork with other switches in an MST region even if they are configured withthe same MST region-related settings as other switches in the MST region.This problem can be overcome by implementing the digest snooping function. If a porton a S7500 switch is connected to another vendor's switch that has the same MSTregion-related configuration as its own but adopts a proprietary spanning tree protocol,you can enable digest snooping on the port. Then the S7500 switch regards the switchof another vendor as in the same region; it records the configuration digests carried inthe BPDUs received from the switch of another vendor, and put them in the BPDUs tobe sent to the switch of another vendor. In this way, the S7500 switches can interworkwith other vendors' switches in the same MST region.Caution:The digest snooping function is not applicable to edge ports.1.6.2 Digest Snooping ConfigurationConfigure the digest snooping function on a switch to enable it to interwork with otherswitches that adopt proprietary protocols to calculate configuration digests in the sameMST region through MSTIs.I. Configuration prerequisitesThe switch to be configured is connected to another vendor's switch that adopts aproprietary spanning tree protocol. The MSTP network operates normally.II. Configuration procedureFollow these steps to configure the digest snooping function:To do ... Use the command ... RemarksEnter system view system-view —Enter Ethernet portviewinterface interface-typeinterface-number —Enable the digestsnooping functionstpconfig-digest-snoopingRequiredThe digest snooping functionis disabled on the port bydefault. |
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