I just realized that Cisco 3825 actually has only 2 NM slots, it appeared to have 3 NM slots but only slot 1 and slot 2 have an internal connector, the third unnumbered slot only has a bracket within. My Cisco 3825 crashed, perhaps my NMs did not installed properly....I am not sure. Slot 1 … Continue reading Cisco 3825 NM slots: Router crashed and reboot relentlessly →