Sniffer® Portable Professional User's Guide - NetScout
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Sniffer® Portable Professional User's Guide - NetScout

Sniffer® Portable Professional User's Guide - NetScout Sniffer® Portable Professional User's Guide - NetScout

netscout
10.03.2013 Views

Chapter 5 90 Sniffer Portable Professional Table 5-7. Host Table Counters in the Access Point View Counter Description Beacons The number of beacon packets transmitted by this access point. Access points send beacon packets at a regular interval to synchronize timing between stations on the same network. Update Time The last time this access point was updated in the Host Table with new statistics. Create Time The time this access point’s entry was first added to the Host Table.

Identifying Rogue Hosts on the Wireless Network Monitoring Your Network Sniffer Portable Professional helps you identify unknown units on your wireless network, both during monitoring and live capture. In general, this feature works by comparing detected addresses to a list of Known and Neighbor addresses. Addresses not found in this list are flagged as rogues in Sniffer Portable Professional displays. The figure below summarizes the process: 1. Enable Rogue Lookup for Access Points and/or Mobile Units in either Tools > Wireless > Rogue (shown) or Tools > Expert Options > 802.11 Options. See Configuring Rogue Identification for Wireless Networks on page 61 for details. 2. All wireless entities start out as rogues. Add wireless entities as Known or Neighbors to change their classification. The easiest way to do this is by checking entries in the # column of the Host Table’s 802.11 tab and right-clicking. However, there are several ways to do this – see Adding Known Addresses to the List on page 62. 3. Review the Status column in the Host Table, as well as Expert displays to review the Known/Neighbor/Rogue classification of wireless entities. See Rogue Identification in Sniffer Portable Professional Displays on page 62 for information on where Sniffer Portable Professional reports this status. User’s Guide 91

Chapter 5<br />

90 Sniffer <strong>Portable</strong> <strong>Professional</strong><br />

Table 5-7. Host Table Counters in the Access Point View<br />

Counter Description<br />

Beacons The number of beacon packets transmitted<br />

by this access point. Access points send<br />

beacon packets at a regular interval to<br />

synchronize timing between stations on the<br />

same network.<br />

Update Time The last time this access point was updated<br />

in the Host Table with new statistics.<br />

Create Time The time this access point’s entry was first<br />

added to the Host Table.

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