SMC Networks SMC6724L3 manual Configuring Port Mirroring, 131

CONFIGURING THE SWITCH

CLI – Specify any interface, and then enter the threshold. The following sets broadcast suppression at 600 packets per second.

Console(config)#interface ethernet 1/1		4-119
Console(config-if)#switchport broadcast packet-rate 600		4-126
Console(config-if)#end
Console#show interfaces switchport ethernet 1/12		4-131
Information of Eth 1/12
Broadcast threshold: Enabled, 600 packets/second
Lacp status: Disabled
VLAN membership mode: Hybrid
Ingress rule: Disabled
Acceptable frame type: All frames
Native VLAN: 1
Priority for untagged traffic: 0
Gvrp status: Disabled
Allowed Vlan:	1(u),
Forbidden Vlan:
Console#

Configuring Port Mirroring

You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner.

Command Usage

Source	Single
port(s)	target
	port

•Monitor port speed should match or exceed source port speed, otherwise traffic may be dropped from the monitor port.

•All mirror sessions have to share the same destination port.

•When mirroring port traffic, the target port must be included in the same VLAN as the source port.

Command Attributes

•Mirror Sessions – Displays a list of current mirror sessions.

•Source Port – The port whose traffic will be monitored.

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