FinM
Deployment
Guide
Release
4.5.10
3
‐
11
Inter
Base
Handover
(IBHO)
Update
Message
Network
Guidelines
When
the
TMU
has
made
a
decision
to
switch
from
TBS
‐
1
to
TBS
‐
2
(based
on
RSS
thresholds)
it
initiates
an
update
message
(shown
in
blue
in
)
to
the
wayside
core
router,
with
the
source
MAC
address
of
the
on
‐
board
router.
All
switches
along
the
wayside
network's
new
data
path
are
then
updated.
Figure
3
‐
7:
IBHO
‐
Part
2
As
a
result,
the
TMU
is
connected
to
TBS
‐
2
and
all
traffic
flows
in
the
new
path.
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