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CRS switch doesnt learn layer 3 route changes.

Wed Sep 07, 2016 5:50 am

I am using CCR1036 for internet. Whenever i change which port i plug the router into the switch i lose internet connectivity until i reboot switch. Updating firmware doesnt help. If i swap the ports of gateways and devices of various networks in the switch it doesnt learn any of the new routes and so layer 3 connectivity is lost (cant ping other device/router even with valid IP settings).

I am not using any switch configs on the CRS other than trunk but whether or not port is trunked doesnt seem to change this.

Sometimes a loop can form within the switch without a physical loop causing loss of network but the switch management itself can be accessed.

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