S6520X-54QC-HI端口镜像问题

版本：7.1.070, Release 6312P02

[DFICQD-CORE]dis mirroring-group 3

Mirroring group 3:
    Type: Local
    Status: Incomplete
    Mirroring port:
        Vlan-interface40  Both
        Vlan-interface41  Both
        Vlan-interface42  Both
        Vlan-interface43  Both
        Vlan-interface44  Both
        Vlan-interface45  Both
        Vlan-interface46  Both
        Vlan-interface47  Both
        Vlan-interface49  Both
        Vlan-interface50  Both
        Vlan-interface57  Both

[DFICQD-CORE]
[DFICQD-CORE]
[DFICQD-CORE]
[DFICQD-CORE]int Te
[DFICQD-CORE]int Ten-GigabitEthernet 2/0/36
[DFICQD-CORE-Ten-GigabitEthernet2/0/36]dis this
#
interface Ten-GigabitEthernet2/0/36
port link-mode bridge
description To_NingDun
#
return
[DFICQD-CORE-Ten-GigabitEthernet2/0/36]mirroring-group 3 monitor-port
The type of the mirroring port in the mirroring group is not supported.
[DFICQD-CORE-Ten-GigabitEthernet2/0/36]

这里的报错The type of the mirroring port in the mirroring group is not supported.是什么原因呢？