<s>
Juniper	B-Protocol
E-Series	I-Protocol
is	O
a	O
series	O
of	O
broadband	B-General_Concept
services	O
routers	B-Protocol
or	O
edge	B-Protocol
routers	I-Protocol
manufactured	O
by	O
Juniper	O
Networks	O
.	O
</s>
<s>
These	O
routers	B-Protocol
provide	O
multiple	O
services	O
including	O
broadband	B-General_Concept
remote	O
access	O
server	O
,	O
broadband	B-General_Concept
video	O
services	O
,	O
dedicated	O
access	O
,	O
802.11	O
wireless	O
subscriber	O
management	O
,	O
VOIP	B-Application
,	O
internet	O
access	O
,	O
security	O
services	O
,	O
network	B-Protocol
address	I-Protocol
translation	I-Protocol
(	O
NAT	O
)	O
etc	O
.	O
</s>
<s>
The	O
carrier-class	O
architecture	O
of	O
E-series	O
routers	B-Protocol
allows	O
to	O
combine	O
Broadband	B-General_Concept
Remote	O
Access	O
Server	O
(	O
B-RAS	O
)	O
and	O
dedicated	O
access	O
capabilities	O
(	O
T1/E1	O
and	O
above	O
)	O
on	O
a	O
single	O
and	O
integrated	O
platform	O
.	O
</s>
<s>
The	O
E-series	O
routes	O
runs	O
on	O
JUNOSe	O
software	O
compared	O
to	O
other	O
series	O
of	O
routers	B-Protocol
of	O
Juniper	O
which	O
runs	O
on	O
JUNOS	B-Application
.	O
</s>
<s>
The	O
Juniper	B-Protocol
E-series	I-Protocol
includes	O
six	O
different	O
models	O
that	O
are	O
designed	O
to	O
address	O
the	O
variety	O
of	O
Service	O
Provider	O
requirements	O
.	O
</s>
<s>
All	O
E-series	O
platforms	O
use	O
a	O
single	O
version	O
of	O
the	O
JUNOSe	O
operating	O
system	O
,	O
and	O
support	O
a	O
full	O
suite	O
of	O
Internet	O
routing	B-Protocol
protocols	I-Protocol
,	O
including	O
BGP-4	O
,	O
IS-IS	B-Protocol
,	O
OSPF	B-Protocol
,	O
and	O
RIP	B-Protocol
.	O
</s>
<s>
The	O
Juniper	O
E120	O
router	B-Protocol
is	O
a	O
high-performance	O
router	B-Protocol
used	O
primarily	O
for	O
small	O
to	O
medium-sized	O
points	O
of	O
presence	O
(	O
PoPs	O
)	O
and	O
central	O
offices	O
.	O
</s>
<s>
The	O
Juniper	O
E320	O
router	B-Protocol
is	O
a	O
high-performance	O
router	B-Protocol
used	O
primarily	O
for	O
large	O
points	O
of	O
presence	O
(	O
PoPs	O
)	O
.	O
</s>
<s>
Cisco	O
Systems	O
has	O
two	O
boxes	O
selling	O
into	O
this	O
space	O
:	O
the	O
10000	O
series	O
,	O
considered	O
Cisco	O
's	O
primary	O
B-RAS	O
entry	O
,	O
and	O
the	O
7600	O
line	O
of	O
edge	B-Protocol
routers	I-Protocol
(	O
of	O
which	O
the	O
7613	O
is	O
the	O
largest	O
)	O
,	O
which	O
include	O
some	O
B-RAS	O
capabilities	O
.	O
</s>
<s>
The	O
Juniper	O
ERX310	O
is	O
a	O
compact	O
but	O
high-performance	O
router	B-Protocol
that	O
has	O
a	O
10	O
Gbit/s	O
switch	O
fabric	O
,	O
two	O
slots	O
dedicated	O
to	O
line	O
modules	O
,	O
and	O
supports	O
up	O
to	O
OC12c/STM4	O
and	O
Gigabit	O
Ethernet	O
interfaces	O
.	O
</s>
<s>
The	O
3-slot	O
router	B-Protocol
contains	O
a	O
10	O
Gbit/s	O
switch	O
fabric	O
/route	O
processor	O
(	O
SRP	O
)	O
and	O
the	O
rest	O
of	O
the	O
two	O
slots	O
dedicated	O
to	O
line	O
modules	O
.	O
</s>
<s>
The	O
Juniper	O
ERX705	O
is	O
a	O
compact	O
router	B-Protocol
that	O
is	O
used	O
for	O
small	O
and	O
medium-sized	O
circuit	O
aggregation	O
applications	O
.	O
</s>
<s>
These	O
7-slot	O
router	B-Protocol
contains	O
either	O
a	O
5	O
Gbit/s	O
or	O
10	O
Gbit/s	O
switch	O
fabric	O
/	O
route	O
processor	O
(	O
SRP	O
)	O
with	O
optional	O
SRP	O
redundancy	O
for	O
high	O
availability	O
and	O
5	O
slots	O
dedicated	O
to	O
line	O
modules	O
.	O
</s>
<s>
The	O
ERX-705	O
and	O
ERX-710	O
routers	B-Protocol
utilize	O
the	O
same	O
line	O
modules	O
and	O
I/Os	O
used	O
across	O
the	O
entire	O
E-series	O
product	O
line	O
.	O
</s>
<s>
The	O
Juniper	O
ERX1410	O
is	O
an	O
edge	B-Protocol
router	I-Protocol
that	O
is	O
used	O
for	O
large	O
circuit	O
aggregation	O
applications	O
.	O
</s>
<s>
The	O
Juniper	O
ERX1440	O
is	O
a	O
high-performance	O
router	B-Protocol
is	O
used	O
for	O
small	O
to	O
medium-sized	O
points	O
of	O
presence	O
(	O
PoPs	O
)	O
.	O
</s>
<s>
The	O
high	O
availability	O
for	O
subscriber	O
management	O
applications	O
,	O
including	O
all	O
Point-to-Point	B-Protocol
Protocol	I-Protocol
and	O
Dynamic	B-Protocol
Host	I-Protocol
Configuration	I-Protocol
Protocol	I-Protocol
access	O
options	O
,	O
means	O
that	O
all	O
subscriber	O
sessions	O
and	O
services	O
remain	O
active	O
during	O
failure	O
.	O
</s>
<s>
These	O
routers	B-Protocol
maintain	O
an	O
entire	O
routing	B-Protocol
table	I-Protocol
per	O
port	O
,	O
which	O
removes	O
the	O
route	O
processor	O
from	O
the	O
forwarding	O
path	O
and	O
provides	O
wire	O
speed	O
performance	O
IP	O
traffic	O
streams	O
,	O
a	O
process	O
aided	O
by	O
Juniper	O
developed	O
ASIC	O
technology	O
.	O
</s>
<s>
The	O
E-series	O
supports	O
subscriber	O
management	O
features	O
in	O
order	O
to	O
effectively	O
aggregate	O
traffic	O
from	O
access	O
multiplexers	O
,	O
terminate	O
Point-to-Point	B-Protocol
Protocol	I-Protocol
(	O
PPP	O
)	O
sessions	O
,	O
and	O
enforce	O
QoS	O
policies	O
on	O
a	O
per	O
flow	O
and	O
per	O
subscriber	O
basis	O
.	O
</s>
<s>
Features	O
includes	O
support	O
for	O
DHCP	B-Protocol
,	O
PPPoE	B-Protocol
,	O
PPPoA	B-Protocol
,	O
PAP	B-Protocol
,	O
and	O
CHAP	B-Protocol
,	O
domain	O
parsing	O
based	O
on	O
destination	O
domain	O
,	O
IP	O
address	O
pooling	O
,	O
L2TP	B-Application
,	O
LAC	O
,	O
LNS	O
,	O
RADIUS-initiated	O
disconnect	O
,	O
RADIUS	B-Protocol
server	I-Protocol
support	O
,	O
auto-detection	O
,	O
Zero-Touch	O
configuration	O
,	O
and	O
TACACS+	B-Protocol
etc	O
.	O
</s>
<s>
The	O
E-Series	O
Modules	O
supported	O
are	O
Channelized	O
T3	O
,	O
Channelized	O
OC3/STM	O
-1	O
and	O
OC12/STM	O
-4	O
LM	O
,	O
Fast	O
Ethernet/Gigabit	O
Ethernet	O
Line	O
Modules	O
,	O
OC-3/STM	O
-1	O
and	O
OC-12/STM	O
-4	O
ATM	O
Line	O
Modules	O
,	O
OC3/STM	O
-1	O
,	O
OC12/STM	O
-4	O
and	O
OC48/STM	O
-16	O
Packet	O
over	O
SONET	B-Protocol
Line	O
Modules	O
,	O
Service	O
Modules	O
and	O
IPSec	B-Protocol
Service	O
Module	O
etc	O
.	O
</s>
