<s>
The	O
Cisco	O
Supervisor	B-Device
Engine	I-Device
is	O
the	O
brain	O
of	O
many	O
of	O
Cisco	O
's	O
switches	B-Protocol
.	O
</s>
<s>
The	O
Supervisor	B-Device
Engine	I-Device
has	O
evolved	O
several	O
times	O
.	O
</s>
<s>
While	O
it	O
is	O
the	O
management	O
segment	O
of	O
many	O
routers	O
,	O
the	O
power	O
of	O
the	O
switch	O
is	O
often	O
much	O
greater	O
than	O
that	O
of	O
the	O
Supervisor	B-Device
Engine	I-Device
because	O
one	O
of	O
the	O
features	O
of	O
many	O
switches	B-Protocol
is	O
that	O
dozens	O
of	O
the	O
functions	O
are	O
accelerated	O
by	O
ASIC	O
chips	O
.	O
</s>
<s>
Supervisor	B-Device
Engine	I-Device
MppsMillion	O
64k	O
Packets	O
switched	O
Per	O
Second	O
Switching	O
Layer	O
Bandwidthin	O
gigabits	O
CPU	O
Frequency	O
Max	O
Ram	O
Max	O
Flash	O
OS	O
Minimum	O
IOS	B-Protocol
1	O
15	O
2	O
1.232	O
25	O
MHz	O
Motorola	O
68k	O
128MB	O
16MB	O
CatOS	O
N/A	O
2	O
30	O
2	O
18	O
150	O
MHz	O
Mips	O
R4700	B-Device
128MB	O
16MB	O
CatOS	O
N/A	O
2+	O
48	O
4	O
64	O
266	O
MHz	O
R4700	B-Device
256MB	O
32MB	O
CatOS/IOS	O
3	O
15	O
4	O
?	O
</s>
<s>
IOS	B-Protocol
12.1(8a )	O
4	O
48	O
4	O
64	O
333	O
MHz	O
512MB	O
128MB	O
IOS	B-Protocol
12.1(12c )	O
5	O
136	O
4	O
102	O
400800	O
MHz	O
512MB	O
?	O
</s>
<s>
IOS	B-Protocol
12.2(18 )	O
6	O
250	O
4	O
320	O
1.3	O
GHz	O
1GB	O
?	O
</s>
