A customer deploys various Cisco Routers in their network infrastructure. Day to day management is done over the existing network (In-Band), however the Managed Services Partner needs a secure and reliable way to remotely diagnose problems even when there are network outages (in the example below Node 2 is offline).
USR Courier modems provide an ideal solution for Out-of-Band network management providing:
Various Cisco routers have different capabilities for attaching a Serial Port modem, such as the Courier. Some to be aware of:
The bottom line is if you need an ability to remotely maintain, diagnose or even upgrade network equipment, an Out-of-Band solution should be part of the network plan.