User guide

2-10
Cisco WLAN Controller Web Interface User Guide
OL-7416-04
Chapter 2 Monitor Menu Bar Selection
Ports Statistics
Table 2-8 Received Packets Not Forwarded
Parameter Description
Total A count of valid frames received which were discarded, or filtered,
by the forwarding process.
Local Traffic Frames The total number of frames dropped in the forwarding process
because the destination address was located off of this port.
802.3x Pause Frames Received A count of MAC Control frames received on this interface with an
opcode indicating the PAUSE operation. This counter does not
increment when the interface operates in half-duplex mode.
Unacceptable Frame Type The number of frames discarded from this port due to being an
unacceptable frame type.
VLAN Membership Mismatch The number of frames discarded on this port due to ingress filtering.
VLAN Viable Discards The number of frames discarded on this port when a lookup on a
particular VLAN occurs while that entry in the VLAN table is being
modified, or if the VLAN has not been configured.
Multicast Tree Viable Discards The number of frames discarded when a lookup in the multicast tree
for a VLAN occurs while that tree is being modified.
Reserved Address Discards The number of frames discarded that are destined to an IEEE 802.1
reserved address and are not supported by the system.
CFI Discards The number of frames discarded that have CFI bit set and the
addresses in RIF are in non-canonical format.
Upstream Threshold The number of frames discarded due to lack of cell descriptors
available for that packet's priority level.
Ta b l e 2 - 9 Tra n s m i t E r r o r s
Parameter Description
Total Errors The sum of Single, Multiple, and Excessive Collisions.
FCS Errors The total number of packets transmitted that had a length (excluding
framing bits, but including FCS octets) of between 64 and 1518
octets, inclusive, but had a bad Frame Check Sequence (FCS) with
an integral number of octets.
Oversized The total number of frames that exceeded the maximum permitted
frame size. This counter has a maximum increment rate of 815
counts per second at 10 Mbps.
Underrun Errors The total number of frames discarded because the transmit FIFO
buffer became empty during frame transmission.