# AP-2000 Help Contents |
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## Monitor Information Logging into the HTTP Interface Version: Provides version information for the Access Point’s system components. ICMP: Displays statistics for Internet Control Message Protocol packets sent and received by the AP. IP/ARP Table: Displays the AP’s IP Address Resolution table. Learn Table: Displays the list of nodes that the AP has learned are on the network. IAPP: Provides statistics for the Inter-Access Point Protocol messages sent and received by the AP. RADIUS: Provides statistics for the configured primary and backup RADIUS server(s). Interfaces: Displays the Access Point’s interface statistics (Wireless and Ethernet). Link Test: Evaluates the link with a wireless client. Station Statistics: Displays statistics for stations and Wireless Distribution System links. ## Logging into the HTTP Interface Once the AP has a valid IP Address and an Ethernet connection, you may use your web browser to monitor network statistics. The Command Line Interface (CLI) also provides a method for viewing network statistics using Telnet or a serial connection. This section covers only use of the HTTP interface. For more information about viewing network statistics with the CLI, refer to Command Line Interface (CLI). Follow these steps to monitor an AP’s operating statistics using the HTTP interface: Open a Web browser on a network computer.
| The HTTP interface supports the following Web browser:
Microsoft Internet Explorer 6 with Service Pack 1 or later Netscape 6.1 or later If necessary, disable the Internet proxy settings. For Internet Explorer users, follow these steps: Select Tools > Internet Options.... Click the Connections tab. Click LAN Settings.... If necessary, remove the check mark from the Use a proxy server box. Click OK twice to save your changes and return to Internet Explorer. Enter the Access Point’s IP address in the browser’s Address field and press Enter. Result: The AP Enter Network Password screen appears. Enter the HTTP password in the Password field and click OK. Leave the User Name field blank. (By default, the HTTP password is “public”). Result: The System Status screen appears. Enter Network Password Screen Click the Monitor button located on the left-hand side of the screen. Monitor Main Screen Click the tab that corresponds to the statistics you want to review. For example, click Learn Table to see the list of nodes that the AP has discovered on the network. If applicable, click the Refresh button to update the statistics. ## Version From the HTTP interface, click the Monitor button and select the Version tab. The list displayed provides you with information that may be pertinent when calling Technical Support. With this information, your Technical Support representative can verify compatibility issues and make sure the latest software are loaded. This screen displays the following information for each Access Point component: Serial Number: The component’s serial number, if applicable. Component Name ID: The AP identifies a system component based on its ID. Each component has a unique identifier. Variant: Several variants may exist of the same component (for example, a hardware component may have two variants, one with more memory than the other). Version: Specifies the component’s version or build number. The Software Image version is the most useful information on this screen for the typical end user. Version Information Screen ## ICMP This tab provides statistical information for both received and transmitted messages directed to the AP. Not all ICMP traffic on the network is counted in the ICMP (Internet Control Message Protocol) statistics. ICMP Monitoring Screen ## IP/ARP Table This tab provides information based on the Address Resolution Protocol (ARP), which relates MAC Address and IP Addresses. IP/ARP Table ## Learn Table This tab displays information relating to network bridging. It reports the MAC address for each node that the device has learned is on the network and the interface on which the node was detected. There can be up 10,000 entries in the Learn Table. Learn Table ## IAPP This tab displays statistics relating to client handovers and communications between ORiNOCO Access Points. IAPP Screen ## RADIUS This tab provides RADIUS authentication, EAP/802.1x authentication, and accounting information for both the Primary and Backup RADIUS servers.
| RADIUS authentication and accounting must be enabled for this information to be valid.
RADIUS Monitoring Screen ## Interfaces This tab displays statistics for the Ethernet and wireless interfaces. The Operational Status can be up, down, or testing. Wireless Interface Monitoring ## Link Test This tab displays information on the quality of the wireless link to clients and other APs in the Wireless Distribution System. During a Link Test, the Access Point and the selected device exchange a series of packets to test the strength of the connection. The devices start by exchanging packets at the 11 Mbits/sec rate but fall back to the slower rates if necessary.
| This feature is not available for an 802.11b/g AP. Also, this feature is not available if you are using a non-ORiNOCO client with an 802.11b AP.
Follow these steps to perform a Link Test: Open the Remote Link Test screen. Click Explore. Result: A list of detected stations will appear. If the list does not appear automatically, click Refresh. Remote Link Test Screen Select a Station from the list by clicking the circle to the left of the Station’s entry. Click Link Test to start the test. Result: A new Link Test window opens and displays the following information for the Access Point (referred to as the Initiator Station) and the wireless client (referred to as the Remote Station): Station Name: The Access Point’s System Name or the client’s Windows Networking name. MAC Address SNR (dB): The Signal to Noise ratio for the received signal. The displayed value is the running average since the start of the test and is reported in decibels (dB). Higher numbers correspond to a stronger link. The bar graph also displays the relative strength of the link (a green bar indicates a strong link, a yellow bar indicates a fair link, and a red bar indicates a weak link). Signal (dBm): The strength of the received signal in dBm (decibels referenced to 1 milliwatt). The displayed value is the running average since the start of the test and is reported as a negative number. Higher numbers correspond to a stronger link. For example, -40 dBm corresponds to a stronger signal than -50 dBm. The bar graph also displays the relative strength of the signal (a longer bar represents a stronger signal). Noise (dBm): The strength of the noise detected at the receiver reported in dBm (decibels referenced to 1 milliwatt). The displayed value is the running average since the start of the test and is reported as a negative number. Noise can interfere with the received signal so a smaller noise value corresponds to a stronger link. For example, a noise level of -95 dBm is more desirable than a noise level of -89 dBm. The bar graph displays the relative strength of the noise level (a shorter bar represents a weaker noise level and is more desirable than a longer bar). 11 Mbps (pkts): The number of packets received at the 11 Mbits/sec transmit rate since the start of the Link Test. In general, most packets will be received at the 11 Mbits/sec rate if the devices have a strong link. 5.5 Mbps (pkts): The number of packets received at the 5.5 Mbits/sec transmit rate since the start of the Link Test. 2 Mbps (pkts): The number of packets received at the 2 Mbits/sec transmit rate since the start of the Link Test. 1 Mbps (pkts): The number of packets received at the 1 Mbits/sec transmit rate since the start of the Link Test.
| Click the Refresh button periodically to update the test results. The test screen does not refresh automatically.
SNR Report Screen Click Close to end the Link Test. ## Station Statistics This tab displays information on wireless clients attached to the AP and on Wireless Distribution System links. ### Enabling and Viewing Station Statistics To enable the monitoring of Stations Statistics, perform the following procedure: Click on the Monitor tab on the left on the web page. Click on the Station Statistics tab on the Monitor screen. Enable the Monitoring Station Statistics feature (Station Statistics are disabled by default) by checking Enable Monitoring Station Statistics and click OK. You do not need to reboot the AP for the changes to take effect. If clients are connected to the device or WDS links are configured for the device, the statistics will now be shown on the screen. ### Refreshing Station Statistics Click on the Refresh button in the browser window to view the latest statistics. If any new clients associate to the AP, you can see the statistics of the new clients after you click the refresh button. Station Statistics Screen #### Description of Station Statistics The following stations statistics are displayed: MAC Address: The MAC address of the wireless client for which the statistics are gathered. For WDS links, this is the partner MAC address of the link. IP Address: The IP address of the associated wireless station for which the Statistics are gathered. (0.0.0.0 for WDS links) Interface to which the Station is connected: The interface number on which the client is connected with the AP. For WDS links this is the interface on which the link is configured. Station Type: The type of wireless client (STA or WDS). MAC Protocol: The MAC protocol for this wireless client (or WDS link partner). The possible values are 802.11a, 802.11b, 802.11g Signal / Noise: The Signal /Noise Level measured at the AP when frames are received from the associated wireless station (or WDS link partner) Time since Last Packet Received: The time elapsed since the last frame from the associated wireless station (or WDS link partner) was received. Number of Clients: The number of stations and WDS links monitored. The following stations statistics are not displayed in the Graphical User Interface, but can be viewed from a MIB browser: Octets Received: The number of octets received from the associated wireless station (or WDS link partner) by the AP. Unicast Frames Received: The number of Unicast frames received from the associated wireless station (or WDS link partner) by the AP. Non-Unicast Frames Received: The number of Non-Unicast frames received (i.e. broadcast or multicast) from the associated wireless station (or WDS link partner) by the AP. Octets Transmitted: The number of octets sent to the associated wireless station (or WDS link partner) from the AP. Unicast Frames Transmitted: The number of Unicast frames transmitted to the associated wireless station (or WDS link partner) from the AP.