<s>
The	O
Avaya	B-Application
Secure	I-Application
Router	I-Application
4134	I-Application
(	O
or	O
SR-4134	O
)	O
in	O
telecommunications	O
and	O
computer	B-Architecture
networking	I-Architecture
technologies	O
is	O
a	O
device	O
manufactured	O
by	O
Avaya	O
that	O
combines	O
the	O
functions	O
of	O
WAN	O
Routing	O
,	O
stateful	O
firewall	O
security	O
,	O
Ethernet	O
switching	O
,	O
IP	O
telephony	O
,	O
and	O
Microsoft	O
mediation	O
into	O
one	O
device	O
.	O
</s>
<s>
In	O
addition	O
to	O
sharing	O
many	O
features	O
with	O
other	O
routers	O
such	O
as	O
VRRP	B-Protocol
,	O
MPLS	B-Protocol
,	O
and	O
hot-switchable	O
modules	O
,	O
the	O
SR-4134	O
also	O
guards	O
against	O
individual	O
circuit	O
failures	O
,	O
has	O
the	O
ability	O
to	O
recover	O
from	O
device	O
failures	O
in	O
less	O
than	O
a	O
second	O
,	O
and	O
instantly	O
restores	O
bandwidth	O
once	O
a	O
connection	O
has	O
been	O
repaired	O
.	O
</s>
<s>
In	O
addition	O
to	O
supporting	O
up	O
to	O
seventy-two	O
power	B-Device
over	I-Device
ethernet	I-Device
ports	O
,	O
the	O
secure	O
router	O
4134	O
can	O
also	O
support	O
up	O
to	O
thirty-one	O
T1/E1	O
ports	O
,	O
fifty-eight	O
gigabit	O
ethernet	O
switching	O
ports	O
,	O
or	O
up	O
to	O
sixty-four	O
FXO	O
or	O
FXS	O
ports	O
.	O
</s>
<s>
The	O
Firewall	O
is	O
capable	O
of	O
supporting	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
(	O
SIP	O
)	O
ALG	O
,	O
network	O
translation	O
and	O
cone	O
network	O
translation	O
for	O
the	O
UNIStim	B-Protocol
protocol	O
)	O
.	O
</s>
<s>
The	O
Avaya	B-Application
secure	I-Application
router	I-Application
4134	I-Application
has	O
fully	O
integrated	O
firewalls	O
and	O
VPNs	B-Application
for	O
increased	O
reliability	O
;	O
it	O
also	O
includes	O
a	O
stateful	O
packet	O
firewall	O
and	O
prevention	O
of	O
over	O
60	O
distributed	O
denial	O
of	O
service	O
attacks	O
.	O
</s>
