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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 5840 Multiport Router:
Compan
y
Headquarters
Headquar
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
Multiport Router
M
40 M
5840
8
5
4
84
58
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
Compan
y
Head
q
uarter
s
ISP C
T1
/
E
1
/
E
1
T1
T1
T1/E1
E1
1
1/
Application 3: Multihoming with primary high bandwidth access
NxT1
/
E
1
/
E
1
T1/
T1
ISP B
ISP A
Compan
y
Head
q
uarter
s
ter
335 Access Router
4335 A
4335 A