Sniffer® Portable Professional User's Guide - NetScout

Displaying Captured Data
802.11 Information in the Postcapture Statistics Tab
In addition to the standard counters in the Statistics tab, Sniffer
Portable Professional adds a variety of wireless-specific statistics. These
statistics are listed and described in Table 8-9 on page 211.
Table 8-9. 802.11 Counters in the Statistics Tab (1 of 2)
Counter Description
802.11 Data Throughput The data rate (in bits per second) observed
by Sniffer Portable Professional for this
capture session. When calculating
throughput, Sniffer Portable Professional
only counts data frames. Management and
control frames are not part of this
calculation. However, the throughput
measurement does include the header
portions of data frames.
802.11 Management Pkts The number of Management packets
observed on the wireless LAN during this
capture session.
802.11 Control Pkts The number of Control packets observed on
the wireless LAN during this capture session.
802.11 Data Packets The number of data packets observed on the
wireless LAN during this capture session.
802.11 Mgmt Pkt Util Of the total number of MAC layer frames
observed during this session, the percentage
that were Management packets.
802.11 Ctrl Pkt Util Of the total number of MAC layer frames
observed during this session, the percentage
that were Control packets.
802.11 Data Pkt Util Of the total number of MAC layer frames
observed during this session, the percentage
that were Data packets.
802.11 Retry Pkts The number of Retry packets observed on
the wireless LAN during this capture session.
Stations send retry packets when they
receive no acknowledgment to a previously
sent packet.
802.11 WEP Pkts The number of packets observed on the
wireless LAN during this capture session with
the WEP bit in the Frame Control field set to
true. This indicates that Wired Equivalent
Policy encryption was used on the packet.
User’s Guide 211