Monday, March 28, 2016

Cellular EHWIC reboot without rebooting the router

Enhanced High-speed WAN Interface Cards provide backup connectivity to a Cisco router during a regular high speed service failure.  With the advancement in cellular technology (LTE/4G), more and more businesses are starting to utilize the EHWICs for their primary WAN connectivity.  LTE can provide bandwidths in access of 100Mbps making this an extremely attractive solution.

At times, you may need to try and reset the modem.  This can be accomplished either by rebooting the router (which may not be desirable) or simply using the below commands to reboot the modem alone.


service internal
test cellular 0/0/0 modem-power-cycle


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