Exfo ETS-1000L Bedienungsanleitung PDF herunterladen (Seite 18)

Loopback

12 ETS-1000L

 At the Data link layer (L2), the incoming traffic (frames without errors)

is being retransmitted backward with swapping destination and source

MAC addresses.

Note: Frames with destination MAC address different than MAC address of

ETS-1000L are not retransmitted.

Note: Frames with equal destination and source MAC address are not

retransmitted at the data link, network and transport layers.

 At the Network layer (L3) the incoming traffic (packets without errors)

is being retransmitted backward with source and destination IP and

MAC addresses swapping.

Note: Only frames with destination MAC address and destination IP address

corresponding to MAC and IP addresses of the ETS-1000L are retransmitted.

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Exfo ETS-1000L Bedienungsanleitung Seite 18