User manual 3COM NETWORK DIRECTOR

[. . . ] 3Com® Network Director User Guide 3C15500 http://www. 3com. com/ Part No. DUA1550-0AAA01 Published May 2004 3Com Corporation 350 Campus Drive Marlborough MA USA 01752-3064 Copyright © 2004, 3Com Technologies. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change. [. . . ] On 3Com devices, the Host group is generally only supported on VLANs, not on individual physical ports. For more information about RMON support on 3Com devices see "Supported Devices" on page 835. If the port at either end of the link is a member of a single VLAN, that VLAN will be indicated directly in the Host submenu. Selecting this option will launch the Host View dialog box with the VLAN interface preselected. 434 CHAPTER 10: RMON Figure 216 Host View Dialog Box with the VLAN Interface Preselected If the port at either end of the link is a member of multiple VLANs, the port itself is listed in the Host submenu. Figure 217 Port that is a Member of Multiple VLANs Components 435 Selecting a port launches the Select VLAN dialog box shown below: Figure 218 Select VLAN Dialog Box This intermediate dialog box lists all VLANs on which the selected port is a member. The dialog box allows you to select which VLAN on the device you want to view RMON Host data for. Clicking OK launches the Host View dialog box, with the interface associated with the selected VLAN preselected. 436 CHAPTER 10: RMON Host View dialog box Figure 219 Host View Dialog Box Components 437 This dialog box presents a list of the interfaces available on the device, allowing you to choose the interface which you want to view the associated data for. Whenever it can, 3Com Network Director will pre-select the interface in the list associated with your selection on the 3Com Network Director map. If you wish to change the selected interface, or customize the data shown in the RMONView window, you can do so using the above dialog box before clicking OK. Update Rate Determines how frequently the selected device will be polled for RMON Host data. The rate can be specified in multiples of 10 seconds. For example, specifying an update rate of 6 indicates an update rate of every 60 seconds (i. e. Community String The Community field is initialized to the read/write community string specified for the device in the 3Com Network Director Properties dialog box. See "Viewing Device Details" on page 229. Clicking Edit launches the Edit Community dialog box, which allows you to specify an alternative community string to be used to retrieve RMON data from the selected device. View The selected View determines the data that will be displayed when the RMONView window is launched. Clicking on Edit/Create View allows you to select what data will be displayed in the view. The supplied predefined views are: Table 76 Predefined Views Predefined View All Byte Error Multicast Definition All items in the RMON host group Octets transmitted to and from each host seen by the device Error packets transmitted from each host seen by the device Broadcast and multicast packets transmitted from each host seen by the device 438 CHAPTER 10: RMON Predefined View Packet Definition Packets transmitted to and from each host seen by the device, including broadcast and multicast packets Sort by The selected Sort by option controls the ordering of the display of the contents of the Hosts view. There are three main sort options: Insertion Time: Sorts the hosts shown in the table into the order in which the device has seen them. Selected Rate: Sorts the hosts shown in the table in descending order according to the currently selected rate in the Selected Rate drop-down menu. The available rates are: Packet Received Rate, Packet Sent Rate, Bytes Received Rate, Bytes Sent Rate, Error Packet Rate, Broadcast Packet Rate, Multicast Packet Rate. This option allows you to view the most active hosts sorted by any of the above rates. The data is sorted and fetched from the device using the RMON HostTopN group. Selected Stations: Filters and sorts the hosts shown in the table to a specific set and ordering of MAC addresses. [. . . ] You agree to hold such trade secrets in confidence. You further acknowledge and agree that ownership of, and title to, the Software and all subsequent copies thereof regardless of the form or media are held by 3Com and its suppliers. The Software is commercial in nature and developed solely at private expense. The Software is delivered as "Commercial Computer Software" as defined in DFARS 252. 227-7014 (June 1995) or as a commercial item as defined in FAR 2. 101(a) and as such is provided with only such rights as are provided in this License Agreement, which is 3Com's standard commercial license for the Software. [. . . ]