When the OptiX OSN 1500 is connected to the 155 Mbit/s optical port of the router of company C, the […]
Keywords: MSTP, SDH, OptiX OSN 9500 Abstract: For an SSN4EGS4/SSN5EFS0/SSN3EFS4/SSN3EGS2/SSN1EFS0A/SSN1EMS2 board of version 2.44 or earlier, an SSN2EGT2 board of version […]
To clear bit errors that occur due to loose connection of the PGND cable, reconnect the PGND cable. Product OptiX […]
Keywords: SSN1SLQ16, MSTP, OptiX OSN 3500 [Problem Description] Trigger condition: 1. The version of an OSN 3500 NE is one of the versions listed […]
Keywords: OptiX OSN 3500/7500/7500 II, ELAN, LAG, PW, UNI, MSTP Summary: When a physical port on a SSN1PEG8, SSN1PEX2, SSN2PEX1, TNN1EG8, TNN1EG16, […]
[Problem Description] Triggering conditions l An NE houses N4GSCC boards. l The NE runs a version involved. l A technician reseats a board without a […]
Summary:If the automatic and periodic database backup functions of an MSTP NE are disabled, NE configurations may be lost after the system control board is warm or cold reset, active and standby system control boards switch over, or the NE is restarted. [Problem Description] Trigger conditions: This problem occurs if the following conditions are met: Automatic and periodic database backup functions of the NE are disabled. After automatic and periodic database backup functions of the NE are disabled, modifications such as service configuration or ASON rerouting are made to the NE. The system control board is warm or cold reset, active and standby system control boards switch over, or the NE is restarted. Fault symptoms: After the system control board is warm or cold rest or active and standby system control boards switch over, some configurations modified after automatic and periodic database backup functions of the NE are disabled may be lost. In this case, a service board reset will result in complete or incomplete service interruption. After the NE is restarted, some configurations modified after automatic and periodic database backup functions of the NE are disabled may be lost, resulting in complete or incomplete service interruption. Identification method: This problem can be identified using the inspection tool or commands. […]
on OSN3500/7500 MSTP+ V200R012C01SPC100 service for tunnel suddenly got MPLS_TUNNEL_BDI/MPLS_TUNNEL_FDI alarm, before was all fine, no fiber cut or other […]
MSTP
Firstly, Eth service is running on MSTP link with virtual concatenation. And it’s configured with LCAS. Customer complains the link […]
Huawei optix
All the Node B should be aggregated through RTN with MSTP+equipment at aggregation site and then integrated with RNC through […]