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:
Company
Headquarters
Headquar
T1/E1
Remote Site
Digital
PSTN
4335 Access Router
Company
Headquarters
Remote Site
NxT1/E1
SNMP or
Works
Nx56/64bkps
Remote Site
Nx56/64bkps
Multiport Router
M
40 M
5840
8
5 4
84
58
4335 Access Router
VLAN Switch
VLAN S it h
VLAN S it
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/E1
ISP B
Company
Headquarters
ISP C
T1/E1
/E1
T1
T1
T1/E1
E1
1
1/
Application 3: Multihoming with primary high bandwidth access
NxT1/E1
/E1
T1/
T1
ISP B
ISP A
Company
Headquarters
ter
335 Access Router
4335 A
4335 A
