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The following diagrams show some of the applications supported by the 5842 and 5844 Multiport Routers:
Application 1: Bundled voice, corporate Frame Relay and Internet access services
Headquar
Headquarters
S S NMP or Telnet
MP or T
P
net et
Application 2: Multihoming with independent ISP links between
four ISPs using load balancing
Company
p
p
y
Headquarters
Application 4: Enterprise LAN extension services: Extending LANs and VLANs through the WAN networks
Company
Headquarters
SNMP or
Works
Company
4335 Access Router
ISP A
T1/E1
ISP B
T1/E1
T T 1
T1/
/E1
T1
T1/E1
/E /E1
5842/584
5842/58
84
84 /5
42
42
2/
2/5
44
4 Multiport Router
NxT1/E1
Remote Site
T1/E1
Digital
PSTN
Application 3: Multihoming with primary high bandwidth access
Company
Headquarters
4335 A
Remote Site
4335 Access Router
WAN A
VLAN Switch
Nx56/64bkps
Nx56/64bkps
4 4 335 Acc c ess R
p
y
Router
4xT1/E1
T1
T1/
/E1
335 Ac
35 Access Router
Remote Site
VLAN S it
VLAN S it h
LA
ISP A
ISP B
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