User`s guide

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3.4. Port mirroring setting

SS0224 support port mirroring function, which allows any port's ingress and/

or egress traffic to be mirrored to a pre-defined capture port. Several

flexible rules can be applied to mirroring: First, for each mirror port, user

can choose to mirror ingress or egress traffic or both. Second, for all the

ingress mirrored packet streams, user can choose to mirror packets whose

SA (source address) or DA (destination address) field is matched by a pre-

defined MAC address. Then, to prevent possible congestion in the capture

port, user can set a divider value n, ranges from 0x0001(1) to 0x03FF(1023).

And the traffic stream will be mirrored 1 packet for each n packet. All the

rules above can be set independently for both ingress and egress traffic.

NOTE:

1. Only one port can be chosen as capture port at the same time.

2. Mirror multi-ports is possible but can create congestion at the mirror

capture port.

For detail procedures in setting port mirroring function:

: set port mirror status to be the capture port or mirror ingress, egress or

both ingress and egress frames on the selected port.

: set to Capture port

: mirror both Ingress and Egress frames of the selected port

: set to OFF

: only mirror ingress frames

: only mirror egress frames