9-11
Cisco Aironet 1200 Series Access Point Software Configuration Guide
OL-2159-03
Chapter 9 Diagnostics and Troubleshooting
Using Diagnostic Pages
–
Down—The port is not operating.
–
Error—The port is in an error condition.
•
Maximum Rate (Mb/s)—Maximum rate of data transmission in megabits per
second.
•
IP Address—The IP address of the port.
•
MAC Address—The unique identifier assigned to the access point by the
manufacturer.
•
Duplex—The port’s duplex setting, either half or full.
Receive Statistics
•
Unicast Packets—The number of packets received in point-to-point
communication.
•
Multicast Packets—The number of packets received that were sent as a
transmission to a set of nodes.
•
Total Bytes—Total number of bytes received.
•
Total Errors—Total number of packets determined to be in error.
•
Discarded Packets—Packets discarded due to errors or network congestion.
•
Forwardable Packets—Packets received by the port that were acceptable or
passable through the filters.
•
Filtered Packets—Packets that were stopped or screened by the filters set up
on the port.
•
Packet CRC Errors—Cyclic redundancy check (CRC) errors that were
detected in a received packet.
•
Carrier Sense Lost—The number of disconnects from the Ethernet network.
Carrier sense lost events are usually caused by disconnected wiring.
•
Late Collisions—Packet errors that probably were caused by over-long
wiring problems. Late collisions could also indicate a failing NIC card.
•
Overrun Packets—Ethernet packets that were discarded because the access
point had a temporary overload of packets to handle.
•
Packets Too Long—Ethernet packets that were larger than the maximum
packet size of 1518 bytes.