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Application 1: Bundled voice, corporate Frame Relay and Internet access services
The following diagrams show some of the applications supported by the 5842 and 5844 Multiport Routers:
Compan
y
Headquarters
Headquar
S
SNMP or Telnet
ne
t
et
MP
o
r T
P
T1
/
E
1
Remote
S
it
e
Di
g
ita
l
PSTN
4335 Access Router
Compan
y
Head
q
uarter
s
Remote Site
NxT1/E1
S
NMP
o
r
W
o
rk
s
Nx56/64bk
ps
Remote
S
it
e
Nx56/64bk
p
s
4 Multiport Router
44
5842/584
5842/58
2/
42
84
/5
2/5
42
84
4335 Access Router
VLAN
S
wit
ch
VLAN S it h
VLAN
Sit
LA
WAN A
4
4335 Acc
cess R
Application 2: Multihoming with independent ISP links between
four ISPs using load balancing
Application 4: Enterprise LAN extension services: Extending LANs and VLANs through the WAN networks
T1
/
E
1
ISP B
ISP A
Com
p
an
y
Headquarters
pyp
T1
/
E
1
/
E
1
T1/
T
T1
T1/E1
/E
/E1
T1
Application 3: Multihoming with primary high bandwidth access
4xT1
/
E
1
/
E
1
T1/
T1
ISP B
ISP A
Com
p
an
y
Headquarters
py
Router
35 Access Router
335 Ac
4335 A