9-31
Cisco Aironet 1200 Series Access Point Software Configuration Guide
OL-2159-03
Chapter 9 Diagnostics and Troubleshooting
Using Command-Line Diagnostics
•
Flags—see
Table 9-2
for a list of flags
•
Refcnt—the number of hosts referencing this address
•
Use—number of packets forwarded
•
Interface—one of four possible interfaces:
–
emac0
for Ethernet
–
awc0
for internal radio
–
awc1
for external radio
–
lo0
for internal loopback
Follow the steps in the
“Entering Diagnostic Commands” section on page 9-21
to
open the CLI and enter the
:vxdiag_routeshow
command.
:vxdiag_tcpstatshow
Use the :vxdiag_tcpstatshow command to display Transmission Control Protocol
(TCP) statistics for the access point. The TCP statistics might look like this
example:
TCP:
3370 packets sent
1576 data packets (714752 bytes)
3 data packets (1613 bytes) retransmitted
1252 ack-only packets (1 delayed)
0 URG only packet
1 window probe packet
0 window update packet
538 control packets
3327 packets received
1564 acks (for 710621 bytes)
23 duplicate acks
0 ack for unsent data
824 packets (189251 bytes) received in-sequence
8 completely duplicate packets (2562 bytes)
0 packet with some dup. data (0 byte duped)
74 out-of-order packets (0 byte)
0 packet (0 byte) of data after window
0 window probe
85 window update packets
0 packet received after close
0 discarded for bad checksum
0 discarded for bad header offset field
0 discarded because packet too short