Category Archives: Experience Sharing

Experience Sharing

Do you ever meet the problem—tunnel service down in your network MSTP+

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 board problem/faulty alarm. 1. Please check arp table either via navigator :ethn-cfg-get-arptable:all or via U2000 NE explorer-packet configuration-control plane – address parse on both sides 2. if no mac address, probably that’s causes service down,… Read More »

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What the relation between Service board and Interface board on Huawei OSN1500/2500/3500

Some customer usually request for service board, ignore the interface board, after purchased, found can not deploy services. to avoid this, we make a simple table to list all the interface board, with which board it should be working with, on OSN1500/2500/3500 system. PQ1 PD1 in 1500II PD1 in other sub-racks PQM and PDM PL3 PD3… Read More »

NE status became “Inconsistency” during modifiyng a trail due to NMS bug

When complete SNCP creation, the NE status became “Inconsistency”. 1.At first, we suspect the database is abnormal, it caused this problem, but we checked it, it is normal. 2.We collect the NMS log ,checked the data and found the SNCP event was reported when modifying the trail and it caused the NE data inconsistency status. [13:29:12.935],Error,[T13064],ErrorCode: 0×00000000, imapoptixadapter Thread:3308, QX_RECV_DATA (from… Read More »

Quick configuration of two fiber unidirectional MSP service-part2

Configuration Process This topic describes how to configure the two-fiber unidirectional MSP service. Prerequisites The physical topology of the network must be created. The NEs, boards, and fibers must be created on the U2000. Lower order cross-connection resources must meet service configuration requirements. For details on how to query lower order cross-connection resources, see Querying Lower Order… Read More »

Regarding the allocation of two fiber bidirectional MSP ring service issues

Configuration Networking Diagram For the two-fiber bidirectional MSP ring in a single ring network, the configuration networking diagram is relative simple. In the network construction, you should create and name NEs in sequence according to the certain direction, which helps you facilitate the planning of the service flow and service configuration. Figure 1 shows a two-fiber… Read More »

How to correctly Configuring 11 Linear MSP Services-part2

Configuration Process This topic describes how to configure the services in the 1:1 linear MSP. Prerequisites The physical topology of the network must be created. The NEs, boards, and fibers must be created on the U2000. Lower order cross-connection resources must meet service configuration requirements. For details on how to query lower order cross-connection resources, see Querying… Read More »