EXFO FTB-860, User Manual

Page: 286 / 409

Test Control
274
FTB-860/880
Lpbk Tool Button (Loopback Tool)

Loopback Mode : The Loopback Mode parameter shall determine at
which layer the address/port swapping is limited. Select the
Loopback
Mode . Choices are:

UDP/TCP
: Swap MAC addresses, IP addresses, UDP or TCP ports
when present and addressed to unit own MAC/IP. In other words,
swap from Layer 2 up to Layer 4 when present.

IP : Swap MAC addresses, IP addresses when present and
addressed to unit own MAC/IP. In other words, swap from Layer 2
up to Layer 3 when present.

Ethernet
: Swap MAC addresses when addressed to unit own MAC.
In other words, swap Layer 2 when present.

Ethernet (Unicast)
: Swap MAC addresses when the address is
unicast, regardless if it is unit’s own MAC or not.

Transparent
: Loopback everything without swapping anything.
By default, UDP/TCP is selected.

Rate Unit
: Select the rate unit as
%
,
Mbit/s
, or
Gbit/s
(when
applicable).

Traffic

Total TX Rate : Indicates the transmission rate as a percentage of
the line rate (
%
),
Mbit/s
, or
Gbit/s
(when applicable).

Total RX Rate : Indicates the receive rate as a percentage of the
line rate (
%)
,
Mbit/s,
or
Gbit/s
(when applicable).

Total TX Count : The Total TX frame count includes all frames
transmitted.

Total RX Count : The Total RX frame count includes all frames
received.

Loopback button: Starts/Stops the Loopback Tool to loopback the
frames/packets that are received. The default value is disabled.