DRNI环境下镜像导致IPL链路流量大

DRNI的ISL链路流量很大，聚合链路的两个成员物理端口利用率达到了50%，经过测试发现是镜像导致的，停掉镜像就基本降为0了。

只有一个镜像组mirroring-group 1，但是这个镜像组包含10个源端口和一个目的端口；

源端口中包含trunk和acces端口，各类VLAN流量都包含在里面，而且源端口存在于多个link-aggregation group

BAGG100是IPL，流量50%左右，两个成员物理口，流量50%左右；镜像目的端口流量利用率达到100%。

DRNI环境下镜像如下限制，需要使用端口镜像，可能是什么原因导致的IPL链路流量大呢？

镜像

设备同时配置镜像和DRNI时，请注意避免出现镜像源端口为聚合组A的成员端口，镜像目的端口、出端口或反射端口为聚合组B的成员端口，以免聚合组B成员端口接收到聚合组A成员端口的镜像LACP报文，引起聚合接口震荡。

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interface Bridge-Aggregation100

port link-type trunk

port trunk permit vlan all

link-aggregation mode dynamic

port drni intra-portal-port 1

undo mac-address static source-check enable

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interface Twenty-FiveGigE1/0/1

port link-mode bridge

port link-type trunk

undo port trunk permit vlan 1

port trunk permit vlan 2 to 4094

mirroring-group 1 mirroring-port both

port link-aggregation group 1

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interface Twenty-FiveGigE1/0/2

port link-mode bridge

port link-type trunk

undo port trunk permit vlan 1

port trunk permit vlan 2 to 4094

mirroring-group 1 mirroring-port both

port link-aggregation group 1

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interface Twenty-FiveGigE1/0/3

port link-mode bridge

port link-type trunk

undo port trunk permit vlan 1

port trunk permit vlan 2 to 4094

mirroring-group 1 mirroring-port both

port link-aggregation group 2

#             

interface Twenty-FiveGigE1/0/4

port link-mode bridge

port link-type trunk

undo port trunk permit vlan 1

port trunk permit vlan 2 to 4094

mirroring-group 1 mirroring-port both

port link-aggregation group 2

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还有很多mirroring-port端口

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interface Twenty-FiveGigE1/0/48

port link-mode bridge

mirroring-group 1 monitor-port

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