Asa5500 Firewall input errors crc
View the physical ports that belong to outside through show int e0Uniplet0.
Found: 40462 input errors, 1559 crc
According to the preliminary judgment, there is a problem with the connection between the asa firewall and the optical fiber cat of Telecom.
Or there is a problem with asa's e0ram 0 interface and optical fiber cat intranet interface.
Physical damage to hardware belonging to layer 1