s3526c am user-bind存在問題

在同一端口上做ip+mac+port和mac+port兩種類型的綁定時出現錯誤：
Driver returns unknown error!

dis ver:
Huawei Versatile Routing Platform Software
VRP Software, Version 3.10, RELEASE 0040
Copyright (c) 1998-2006 Huawei Technologies Co., Ltd. All rights reserved.
Quidway S3526C uptime is 0 week,0 day,0 hour,14 minutes

Quidway S3526C with 1 MIPS Processor
64M    bytes SDRAM
8192K   bytes Flash Memory
Config Register points to FLASH

Hardware Version is VER.B
CPLD Version is 003
Bootrom Version is 160
[Subslot 0] 24 FE    Hardware Version is VER.B
[Subslot 2]  1 FE    Hardware Version is VER.0