Default Settings

Interface Priorities

  • LAN set at a metric of 1
  • Modem (cellular) at a metric of 3

Network Settings

  • LAN port configured as primary Internet interface
  • LAN port configured to obtain IP address via DHCP
  • Cellular modem configured as backup Internet interface
  • Source NAT enabled (outbound traffic)

Modem Settings

  • Carrier Smart Select™ enabled
  • Passthrough mode disabled
  • APN fallback enabled.  The following link can be used to view which APNs, based on carrier, are included in the default APN fallback list.

Central Management Settings

  • Central Management enabled.  The following servers will be contacted for a central configuration:
    • aview.accns.com
    • armt.att.com
    • av-wob.gcsc.att.com

Security Policies

  • Packet Filtering set to block all inbound traffic (SSH, HTTP, etc.)
  • Local SSH, Web Admin, and Local GUI access enabled via 192.168.210.1 IP address.  See Managing Device Locally for details on accessing the 5400-RM via its default 192.168.210.1 IP.

Serial ports

  • All four serial ports enabled with the same default settings
  • Baud rate:  9600
  • Data bits:  8
  • Parity:  none
  • Stop bits:  1
  • Flow control:  none