Keywords: OptiX OSN 3500/7500/7500 II, ELAN, LAG, PW, UNI, MSTP Summary: When a physical port on a SSN1PEG8, SSN1PEX2, SSN2PEX1, TNN1EG8, TNN1EG16, or TNN1EX2 board of the OptiX OSN 3500/7500/7500 II in a link aggregation group (LAG) is configured in an ELAN, and the board has only one UNI and one PW interface in the ELAN, some broadcast packets cannot be transmitted successfully in the ELAN. … Read More »
Background How to troubleshoot link STM-64 in Huawei transmission equipment OSN 7500II using BPA and DCU because although have followed the theory guidance about power input range below , but there always find alarms B2_SD, B1_SD_B2_EXC, MS_RDI, R_LOF appears in its link (by NMS U2000) Link information and BPA specification1. Link : STM-64 2. Board : SLD64 3. Distance :… Read More »
Creating an MS Ring Protection Subnet The MS ring protection scheme is adopted in a common ring network. Normally, it is adopted to protect a channel to transmit additional services. By running the APS protocol, it achieves the MS level protection. Prerequisites You must be an NM user with NE and network maintainer authority or higher. The… Read More »
