AMD LE-363 User's Betriebsanweisung PDF herunterladen (Seite 122)

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96 XgOS User’s Guide • September 2014

vNIC Mirroring

The Oracle Fabric Interconnect supports vNIC Mirroring, which is a feature that

enables duplicating data packets from one vNIC (the input) to a different output,

either another vNIC (mirror to vNIC) or a physical Ethernet port (mirror to port).

vNIC Mirroring is primarily used for troubleshooting, for example, to copy traffic off

of one or more vNICs and send the traffic to a sniffer where traffic can be analyzed.

Consider the example in the following figure..

The figure shows the two modes of vNIC Mirroring:

■ When mirroring to a port (1, shown by a dashed line), the vNIC “vn1.pubstest” is

terminated on the 10-Port GE module. This vNIC is the input vNIC. With a

mirror-to-port configuration, all the packets between the original source and

destination are forwarded as usual. However, an exact duplicate of the traffic flow

on “vn1.pubstest” is copied and sent to an output port, on which a separate

device (the sniffer “Tassadar”) is attached. Tassadar can then analyze all traffic on

the port.

■ When mirroring to a vNIC (2, shown by a solid blue line), the vNIC

“vn1.pubstest” is terminated on the 10-Port GE module. This vNIC is the input

vNIC. With a mirror-to-port configuration, all the packets between the original

source and destination are forwarded as usual. However, an exact duplicate of the

vnics 10

vlans none

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