HP 279720-B21 ProLiant BL p-Class GbE Interconnect Switch Command Line Interfa - Page 94
Displaying Ingress Filtering Information, Configuring Port Mirroring - target
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Configuring the GbE Interconnect Switch using the Command Line Interface Displaying Ingress Filtering Information Use the following command to display the ingress filtering information on a per port basis: Command ingress-filter show [port ] Description Displays ingress filtering information for all ports To display ingress information for a specified port or ports, type port and the port number or numbers. This example shows the ingress filtering information for a series of ports. Configuring Port Mirroring The GbE Interconnect Switch allows you to copy frames transmitted and received on a port (source) and redirect the copies to another port (target). You can attach a monitoring device to the mirrored (target) port, such as a sniffer or an RMON probe, to view details about the packets passing through the source port. This setting is useful for network monitoring and troubleshooting purposes. The following configuration rules apply to any port mirroring configuration: • A target mirror port cannot be configured as a trunk member. • VLAN configuration settings for any ports configured for mirroring cannot be changed. • The source and target ports should be members of the same VAN. The direction of traffic on the source port can be one of the following: • Ingress traffic (received packets) on the source port • Egress traffic (transmitted packets) on the source port • Ingress and egress traffic on the source port IMPORTANT: You cannot mirror a fast port onto a slower port. For example, if you try to mirror the traffic from a 1000-Mb/s port onto a 100-Mb/s port, you can cause throughput problems. The port from which you are copying frames must support an equal or lower speed than the port to which you are sending the copies. HP ProLiant BL p-Class GbE Interconnect Switch Command Line Interface Reference Guide 2-73 HP CONFIDENTIAL Codename: DeLorean Part Number: 322604-001 Last Saved On: 2/3/03 11:35 AM