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Figure 1-3
Network Reliability Configuration
IOS Router
Software Updates
The IOS software in the Edge Router module engine can be updated by
purchasing field-upgradeable software distribution kits. Update your
module to the latest 3Com release of IOS software by downloading new
code to flash memory on the module. New updates are shipped
automatically as part of the 3Com 1-year Router Software Subscription
Service or you can purchase it from 3Com as a single unit update.
Ethernet LAN
WAN Port
Aux
Port
Public
Dial-Up
Link
Secondary
Link
Primary
Link
Switched
Telephone
Network
Remote Site
Main Site
WAN Port
Console
Port
Edge Router ModuleEdge Router Module
Main Site Router
Main Site Network Connections