
The following diagrams show some of the applications with the 4335 Access Router:
Application 1: Application traffic prioritization and WAN bandwidth allocation using 
Remote Site
Video Conference
FTP server
Central Site
4335 Access Rou
IP Phones
WAN Access Platform
VoIP Gateway
T1/E1
| Video Co | 
 | 
 | Remote Site | 
| Corporate servers | 2xT1/E1 | IP Network | 
 | 
| 
 | 
 | ||
| (email, database, Web) | 
 | (MPLS Enabled) | 
 | 
| 
 | 
 | Video Conference | |
| 
 | 
 | 
 | T1/E1 | 
| IP Phones | 
 | FTP server | |
| 
 | VoIP Gateway | 
 | 4335 A | 
| 
 | 
 | 
 | IP Phones | 
| 
 | VoIP & Video IP Traffic, Expedited Forwarding (EF) class of service, 20% WAN bandwidth | 
 | VoIP Gateway | 
| 
 | FTP & SAP Traffic, Assured Forwarding (AF1) class of service AF1, 40% WAN bandwidth | ||
| 
 | 
 | ||
| 
 | Email & Web Traffic, Best Effort (BE) class of service, 20% WAN bandwidth | 
 | |
Application 2: Network access redundancy: Frame Relay service augmented with 
Remote Site
Central Site
Corporate L
Corporate server (email, database, W
| 
 | 
 | 
 | Remote Site | 
| 
 | er | 
 | 
 | 
| 
 | 
 | 
 | Corporate servers | 
| T1/E1 | 
 | T1/E | (email, database, Web) | 
| 
 | 
 | 
 | VPN Gateway | 
| 
 | 
 | 
 | DSL/Cable Modem | 
| 2xT1/E1 | 
 | 
 | 
 | 
| 
 | Internet | ISP | Remote Branch Office | 
| 
 | 
 | 
ISP
DSL/Cable Modem
DSL/Cable Modem
lient
Client