Problem description

OSN3500 device data veneer N2EFS0 is interfaced with Alcatel data veneer, the service is configured as EPL service, and the bound bandwidth is 12M, the service can not be pinged after the configuration is completed, and the host version is: 5.21.13.47P01, there is no alarm on OSN3500 device.

Alarm information

None

Processing

1, first check the service configuration, the service configuration is correct, the service will be down to the Huawei device's data veneer ping test can ping through, indicating that there is no problem with the veneer and service configuration;

2, check the encapsulation protocol, the same GFP, J2 and V5 overhead is correct, no mismatch alarm;

3、Check the LCAS function, we are off, the other party is on, the Alcatel LCAS function will be turned off to restore normal

Root cause

There may be several reasons for unsuccessful data veneer docking:

1. encapsulation protocol; 2. whether the overhead byte matches; 3. whether the LCAS function is turned on; 4. other configuration reasons

Suggestions and Summary

The LCAS function of OSN3500 data veneer is off by default, and the LCAS function of Alcatel equipment is on by default, so pay attention to this point when docking.