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9.
Connect
the
Ethernet
cable
to
the
Ethernet
management
port.
(See
3
in
Figure
1
on
page
4.)
10.
Verify
that
the
ftp
server
where
the
backup
configuration
file
is
stored
is
accessible
to
the
router.
11.
Use
the
configDownload
command
to
restore
the
configuration
saved
for
the
original
chassis.
(Refer
to
the
Maintaining
Configurations
chapter
in
the
Fabric
OS
Administrator’s
Guide
for
details.)
Once
you
have
completed
the
replacement
procedures,
follow
the
instructions
included
in
the
CRU
shipment
to
return
the
faulty
router
to
IBM.
Changing
the
router
serial
number
Attention:
This
procedure
is
to
be
used
only
if
a
router
has
failed
and
it
is
being
replaced
by
a
new
router.
In
the
event
of
a
hardware
failure,
the
replacement
router
should
be
configured
to
display
the
serial
number
of
the
original
failed
router,
in
order
to
maintain
continuity
in
the
IBM
service
system.
Once
you
have
installed
the
replacement
router,
follow
the
steps
below
to
change
the
serial
number
displayed
through
the
router
or
fabric
management
program.
Note:
This
serial
number
change
procedure
requires
the
user
to
login
as
″
root
″
.
1.
Login
as
″
root
″
on
the
router.
2.
Enter
the
root
password
″
xxxxxxxx
″
.
Press
Enter
.
3.
Type
the
command
″
fruinfoset
chassis
1
″
.
Press
Enter
.
4.
ID:
(none).
Press
Enter
.
5.
PN:
(none).
Press
Enter
.
6.
SN:
(none)
>
type
″
switch
Serial
Number
″
.
Press
Enter
.
7.
RV:
(none).
Press
Enter
.
8.
Chassis
SN:
(FAxxXxxxxxx).
Press
Enter
.
To
verify
that
the
serial
number
has
been
entered
correctly,
follow
these
steps:
9.
Type
the
command
″
fruinfoset
chassis
1
″
.
Press
Enter
.
10.
ID:
(none).
Press
Enter
.
11.
PN:
(none).
Press
Enter
.
12.
SN:
(none)
>
Verify
″
switch
Serial
Number
″
entered.
Press
Enter
.
13.
RV:
(none).
Press
Enter
.
14.
Chassis
SN:
(FA0xxXxxxxxx).
Press
Enter
.
If
the
serial
number
displayed
is
not
correct,
repeat
the
above
steps,
beginning
with
3.
Chapter
4.
Removing
and
replacing
CRUs
55
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