Layer 2 enables IGMP-snooping , and when the switch port receives an IGMP join packet, it listens for the packet and adds the corresponding port to the multicast group
(Radio) To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0 Configure the Timedelay protection group, which of the following commands is optional
(Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default matching mode to match a 7-digit number beginning with 7727, then the following options are available?
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In Huawei's u2000 management system, when adding network elements, you can only add -- ones- when you access the network element.
(Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR is connected to the detected line, which of the following parameters can be set.
In the evolution of EPON to 10 G EPON, a smooth transition is achieved at the local level by adding WDM WDM modules, and ODNs coexist