If you want to use your regular
internet as your primary, and use cellular as backup when your primary
is down, IR302/305 or CR202 Link backup function could help you switch
the uplink automatically.
Note: Only CR202 with firmware V1.0.13 or later support this function. Please find latest firmware here: https://resources.inhand.com/EnterpriseNetwork/InPortableRouter/CR202
- By
default, WAN/LAN port on IR302/CR202 is a LAN port, we need to change
it to a WAN port first. Go to network>>WAN/LAN switch, change the
settings to following:
![](https://desk.zoho.com/portal/api/uploads/edbsn858cf8f95778e1bbfde0a5506b738dd2d6b9edeafbe15af884f8301443908280/content?portalId=edbsn7f00a345b709afa057bba17580fd605615a567e69d8396e24f8da61d6f9258ad)
- Connect your primary WAN to IR302's WAN/LAN port. Go to Status>>Network Connections to check if WAN interface is getting an IP address. Note: Please make sure IP addresses for WAN and LAN interfaces are in different subnets.
- Go to Network>>Link Backup, enable. Change the settings to following:
![](https://desk.zoho.com/portal/api/uploads/edbsn858cf8f95778e1bbfde0a5506b738dd2eab566c4e70a3aa0cf077709611c481d/content?portalId=edbsn7f00a345b709afa057bba17580fd605615a567e69d8396e24f8da61d6f9258ad)
- All done. now all client devices on LAN2 and WiFi should be getting WAN as primary and cellular as secondary.