H3C S7500 Series Operation Manual

Also see for S7500 Series: Operation manual Operation manual Operation manual Operation manual Command manual

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H3C S7500 Series Operation Manual Manual pdf 15 page image

Operation Manual – DLDPH3C S7500 Series Ethernet Switches Chapter 1 DLDP Configuration1-14unidirectional links will not be reported and ports will not be shut down, while onlythe state of DLDP neighbors changes.z If DLDP is enabled after unidirectional links appear, DLDP cannot detectunidirectional links.z DLDP cannot be used together with similar protocols of other companies, that is,you cannot enable DLDP on one end and enable one of the similar protocols ofother companies.For XGbus products, pay attention to the following points:z When interface boards are hot swapped, if the plugged interface board is of thesame type as the pulled interface board, DLDP restores automatically.z When active/standby switchover is performed on an SRPU, the standby SRPUdetects unidirectional links instead of the SRPU. DLDP parameters remain thesame and unidirectional links are detected again on each port.1.4 DLDP Network ExampleI. Network requirementsAs shown in Figure 1-3:z Switch A and Switch B are connected through two pairs of fibers. Both of themsupport DLDP;z Suppose the fibers between Switch A and Switch B are cross-connected. DLDPdisconnects the unidirectional links after detecting them;z When the network administrator connects the fiber correctly, the ports taken downby DLDP are restored.II. Network diagramSwitchSwitcBhAPCGE2/0/3GE2/0/3 GE2/0/4GE2/0/4SwitchSwitcBhAPCGE2/0/3GE2/0/3 GE2/0/4GE2/0/4Figure 1-3 Fiber cross-connectionIII. Configuration procedure1) Configure Switch A# Configure the ports to work in mandatory full duplex mode at the speed of 1000 Mbps.

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