<s>
A	O
data	B-Protocol
link	I-Protocol
connection	I-Protocol
identifier	I-Protocol
(	O
DLCI	B-Protocol
)	O
is	O
a	O
Frame	B-Protocol
Relay	I-Protocol
10-bit-wide	O
link-local	O
virtual	O
circuit	O
identifier	O
used	O
to	O
assign	O
frames	O
to	O
a	O
specific	O
PVC	O
or	O
SVC	O
.	O
</s>
<s>
Frame	B-Protocol
Relay	I-Protocol
networks	I-Protocol
use	O
DLCIs	B-Protocol
to	O
statistically	B-Algorithm
multiplex	I-Algorithm
frames	O
.	O
</s>
<s>
DLCIs	B-Protocol
are	O
preloaded	O
into	O
each	O
switch	O
and	O
act	O
as	O
road	O
signs	O
to	O
the	O
traveling	O
frames	O
.	O
</s>
<s>
The	O
standard	O
allows	O
the	O
existence	O
of	O
1024	O
DLCIs	B-Protocol
.	O
</s>
<s>
DLCI	B-Protocol
0	O
is	O
reserved	O
for	O
the	O
ANSI/q993a	O
LMI	B-Protocol
standard	O
—	O
only	O
numbers	O
16	O
to	O
976	O
are	O
usable	O
for	O
end-user	O
equipment	O
.	O
</s>
<s>
DLCI	B-Protocol
1023	O
is	O
reserved	O
for	O
Cisco	O
LMI	B-Protocol
,	O
however	O
,	O
numbers	O
16	O
to	O
1007	O
are	O
usable	O
.	O
</s>
<s>
In	O
summary	O
,	O
if	O
using	O
Cisco	O
LMI	B-Protocol
,	O
numbers	O
from	O
16	O
to	O
1007	O
are	O
available	O
for	O
end-user	O
equipment	O
.	O
</s>
<s>
DLCI	B-Protocol
are	O
Layer	O
2	O
Addresses	O
that	O
are	O
locally	O
significant	O
.	O
</s>
<s>
No	O
two	O
devices	O
have	O
the	O
same	O
DLCI	B-Protocol
mapped	O
to	O
its	O
interface	O
in	O
one	O
frame	B-Protocol
relay	I-Protocol
cloud	O
.	O
</s>
