Mac-Layer - Cisco 7513 Hardware Installation And Maintenance Manual

Overview
Functional
Address

MAC-Layer

Allocator
network
All
which
memory
requires
The OIR
configured
brings
EEPROM
an
in
regardless
in
sequence
where
address
causing
Note
that
because
always
have
to
could
Note
with the
of
all
ports
Storing
interface
to
update
1-34 Cisco
7513 Hardware
interface connections
@orts
known
hardware
is also
as
resides
that
component
directly
method
different
feature allows remove
to
you
one new
the
If
interfaces
them on line In order
allow
to
on
device the backplane
whether
of an interface resides
The
address
assigned
first is
maximum
number
the of ports
is
scheme
allows remove
to
you
MAC
move
the addresses
to
MAC
the addresses
if were
could
one
you never
replace
be different each time an interface
Also
data
their
update structures
MAC
the address
same
cause
MAC
the addresses
Storing
on which
device
they are stored
memory
those
will change
to
specified
MAC
the addresses
in memory
with another
identical
is replaced
and
data
their structures
routing
and Maintenance
Installation
serial
except ports require
MAC
address the
Typically
the interface
on
circuitry
and
an interface
processor
match you removed
the interfaces
OIR
an address allocator with
Each
address reserved
is
MAC
The
in that
port
and
0/0 the
to last
port
on the interface
processor
and
interface
insert
processors
around network be
the
or
assigned
stored each interface
on
processor
interface with an identical
other devices
was
replaced
new
with the
and if
address
more one
in than
to
appear
for port in central
one
every
If
you replace
the address allocator
in
device the backplane
on
no need
there
is
interface
tables
MAC-layer address
unique
address of an interface stored
is
OIR
the feature
however
with another
it
replace
identically
the
system
immediately
MAC
addresses
is
unique
in
the router
for
specific slot/port
addresses are assigned the ports
to
address 12/n
assigned to
is
port
12
This
installed in slot
them
other routers without
into
multiple devices
to
OIR
would
not function
MAC
would
the addresses
one
network
the
on
do
they did not
so quickly enough
the
same time
device
at
location the addresses
means
the the addresses
device
memory
new memory
on device
the
When
avoids these
problems
network
other devices the
for in
on
stored
would
stay
an