EtherScope ™ Series II Network Assistant

1. EtherScope™ Series IINetwork Assistant Next generation network analyzer helps first responders solve problems fast ECA02132007

2. Outline • Introduction to EtherScope LAN • Introduction to EtherScope WLAN • Additional EtherScope WLAN Features • RFC 2544 Testing • (Throughput, Latency, and Frame Loss Rate)

3. Introduction to EtherScope LAN LAN analysis and performance testing 10/100/1000Mbps RJ-45 twisted pair interface 1000Mbps LC fiber optic interface

4. Stylus Components Serial Port (can be used to configure network devices) Audio Ports (MIC, Headphone) USB (optional mini-keyboard, mouse) Power Kensington Lock LAN Test Port • Specifications: • OS: Embedded LinuxTM (X-scale based) • Touch Screen: 640x480 TFT (Active) • Custom network testing hardware • 256Mb RAM, 32Mb ROM • 64 Mb Compact Flash Card Included (for saved test results/reports) • Expandable • Weight: .82 kilograms or 2 pounds • Dimensions: 19.1 x 15.2 x 4.4 centimeters or 7.5 x 6 x 1.75 inches SFP Fiber Transceiver WLAN Card (PCMCIA) Compact Flash (CF2)

5. Components • Status LEDs • Link • Utilization • Collisions • Errors • Transmit • Power On/Off • Two modes: • Shut Down or Suspend Protective Rubberized “Boot” Bright Active Matrix Touch Screen • Battery: • Lithium-Ion Rechargeable • Approx. 4 hours use / charge • Optional extra battery and charger stand

6. Home Page: Test Results and Navigation Touch icon for instant link to specific tests “Menu”-based navigation with highlights of selected test shown at left Blue text indicates hyperlinks to more detail • Easy navigation: • Back • Home • Tools • Help “Details” drills in on selected test for more results Tool Bar – a convenient and consistent navigation and information platform.

7. Instrument Settings Password to control community string and Remote U/I access Note the default community strings Get an IP Address via DHCP, or manually - DHCP Server Log appears after hitting “Apply” Drill in on Connection to reach Instrument Settings, where you can configure TCP/IP, Ethernet, Security, and General instrument settings. Add community strings and security passwords, change Ethernet negotiation characteristics and interfaces. • Save time with • ‘Fast Connect Mode’ • Check for Link • Check Address • Go to next drop Full control of your connection settings Add management VLAN devices here

8. Cable Verification

9. Cable Verification Details Changes the color code order in wiremap results Launches on-board ANALOG Toner

10. IntelliTone Toner • Generate analog or IntelliTone tones to help locate copper cabling • choice of two tones • Click Cable Verification, Details and Cable Toner choice of modes and tones

11. Fiber test kit (DSP-FTK) support • Measure the optical power or the loss of an optical fiber link using the DSP-FTK fiber test kit • DSP-FTK = DSP-FOM and FOS-850/1300 • Click Cable Verification, Details, then select the Fiber button • Connect DSP-FOM to LAN port auto wavelength detection (FOM) power, loss and margin set reference for loss measurement

12. Signal Verification Scans for DC voltage levels and over voltage conditions. Perfect for trouble-shooting Power Over Ethernet! Checks for presence and amplitude of link pulse and data signals Supported signaling and link partner-EtherScope advertised auto-negotiation

13. Traditional switched network Switch Floor 3 Broadcast domain Switch Floor 2 Switch Switch Router Floor 1

14. Switched network with VLANs Engineering VLAN Accounting VLAN Sales VLAN Broadcast domain Either dedicated cables or a VLAN “trunk”. A trunk link can carry traffic from multiple VLANs. Switch Floor 3 Switch Floor 2 Layer 3 Switch or Router Switch Router Floor 1

15. EtherScope network visibility boundaries From a single connection, EtherScope can see the • Collision Domain - local statistics • Broadcast Domain – device, network, VLAN discovery Collision domain statistics Broadcast domain discovery (SNMP)

16. EtherScope local VLAN statistics • If the ES is connected to a trunk port, multiple VLANs will be present • Use “VLAN Statistics” to identify the VLANs that are active on the port (includes the Native or untagged VLAN traffic) • If you select a VLAN ID that is unconfigured on the port to which the EtherScope is connected, it might not be able to communicate with the network (e.g. DHCP fails) • Try configuring the ES for the VLAN with the highest packet count

17. EtherScope VLAN discovery • The number of VLANs reported by VLAN Statistics and VLAN Discovery will frequently differ • VLAN Statistics shows VLANs detected by monitoring the local network segment while VLAN Discovery is using active (SNMP) discovery

18. IEEE 802.1Q • Standard methodology for constructing a VLAN trunk • A “VLAN tag” is added to the Ethernet frame by the switch that is trunking traffic to identify the VLAN • The last trunk switch will strip off the tag before forwarding the frame to the destination VLAN tag (includes CoS)

19. EtherScope on a trunk port • Tap “Enable 802.1Q” checkbox to turn on VLAN tagging • Use the “VLAN ID” field to designate the VLAN number that the ES will use • Use the “Priority” field to set the user priority (CoS) for the frames generated by the ES • Active discovery will be limited to the devices on the selected VLAN (broadcast domain) • Can only enable 802.1Q if the port of the link partner has .1Q enabled

20. Class of service (CoS) priority • CoS provides a means of prioritizing which traffic the switch will process first • Example: give VoIP traffic higher priority than web traffic • 802.1p is an subset of 802.1Q VLAN tagging • Layer 2 intranetwork priority mechanism (switches and MAC addresses) • 802.1Q and 802.1p CoS support added to EtherScope to facilitate observation of layer 2 CoS priority on link performance • User can configure the priority of the traffic EtherScope generates

21. Type of Service priority • Like CoS, provides a means of prioritizing traffic • Layer 3 internetwork traffic (routers and IP addresses) • Examples: VoIP traffic over web traffic , critical application traffic over email • Two versions • TOS with IP precedence • 4 attributes (delay, throughput, reliability, cost) • TOS with differentiated services code point (DSCP) • 8 attributes for more flexible control • Support added for IP type of service (TOS) Layer 2 Addressing Layer 3 Addressing TOS Byte of IP header

22. Local Statistics Notice the detailed preview information – giving you a quick look so you can decide at a glance whether you want to drill-in further… Something looks suspicious here, don’t you think? – Just click on ‘Details’

23. Local Statistics, Details Note that you can also change the source, and the interface to trend a remote device as well. This helps you follow the scent of problems and enables you to track them down and fix them quickly!

24. Local Statistics, Details So you click on the Details button or on the Local Utilization link to see what’s happening. Note that you can also change type of information displayed. Here you see Error Details. Oversize and Undersize frames

25. Remote Statistics, Details Choose a different source (switches only!) and interface to monitor On selected device and interface, EtherScope reads only the Layer 2 interfaces. It Pulls MIB II information, but no RMON history, so single port statistics are shown

26. Top Protocols Notice the summary protocol statistics, listed in BLUE – that means they are ‘clickable’ to drill in for additional details

27. Throughout EtherScope’s User Interface, data can be sorted by headings, and selected by type Protocol Statistics Detail Top sources of the selected packet type are listed in order.

28. Top Talkers At the top level, see top talkers at a glance. Drill in to see details of this particular bandwidth hog

29. Select the radio buttons to list senders of Errors, Broadcasts and Multicast traffic Top Talker Detail Detailed information available on top talkers. Select a particular talker and tap the ‘Details’ button to obtain still another level of drill-in. Click to see Layers of protocols available Note that where appropriate, applicable buttons will appear, in-context… Here you can ‘Clear’ the packet counts, or generate and store a ‘Report’

30. Top Talker IPV4 Protocol Detail Detailed information available on the distribution of IPV4 Protocol

31. Device Discovery Summary level information about the devices discovered. Again, you can drill in to see a list of all devices, or a particular type of device you are interested in, just by selecting it Note that while the green ‘check-mark’ indicates that EtherScope has completed its first pass on Device Discovery - it continues to listen to traffic to identify and report on new network devices it discovers.

32. Device Discovery, Details Drilled-in on All Devices, see the Name, IP Address, Switch Slot/Port, VLAN, and any associated problems Use these radio buttons or use the scroll-bar to navigate through the table to see additional details on the devices.

33. Device Discovery Report A sample report listing pertinent information on all devices. Column headings can be sorted here as well. Document the network! Reports saved to Compact Flash, accessible via Web interface MUST have CF installed to save reports!

34. Device Details by Type - Switches Overview of device configuration information is shown here Individual Device Traffic shown here. Select a device and tap the ‘Details’ button to again to obtain still another level of drill-in.

35. Specific Device Details Device-specific links and appropriate troubleshooting tools are now available. Note that you can drill in on the switch interfaces to see who’s connected on each port Quick launch troubleshooting tools Detailed information about this particular switch is shown in the main screen

36. Switch Interface Details Here we have drilled-in on the switch Interface Detail link which shows the status and configuration of all the ports, including who’s connected to each! You can even select one of the hosts and drill in further on it… Notice the problem icon showing Host EVTPC1272… time for some investigation. You can sort on that column to see all the problems discovered on this switch port… Problem discovery speeds troubleshooting.

37. Trace Switch Route Trace Switch Route shows you the Layer 2 connection path between EtherScope and the selected device. The “from” device is always the EtherScope. The “destination” is selected in the drop down box. Want to see the interface details or monitor utilization on the connecting switch port? Just drill in on the BLUE highlighted Slot/Port to go there.

38. Network Discovery Overview EtherScope lists all the networks discovered, and provides quick information about the number of hosts on each

39. Network Discovery Details Select and expand the IP Subnets to see detailed information on how the network is organized, and which hosts are members By now, you recognize that you can select and drill-in on any subnet or device to get additional details…

40. VLAN Discovery See VLANs, and associated switch ports and hosts. Trunks are not shown. Discovery of all VLANs within connected broadcast domain only (discovered switches). Finds by way of reading switch configs Lists hosts by VLAN

41. Nearest Switch EtherScope locates the nearest switch and monitors it for you

42. Switch Scan Monitoring these switches for high utilization and errors. Automatically shows nearest switch and one other user-selected switch.

43. Switch Scan Details See the Average and Peak Utilization on all the active ports of two selected switches. Visibility of traffic IN and OUT. Average and Peak reading results shown since Switch Scan was activated. Select another switch to monitor from the drop-down list

44. Switch Scan Trending Select a port from the previous then click Trend for Utilization History

45. Key Devices EtherScope automatically checks on selected Key Devices when it starts up, and again whenever you select ‘Start Test’

46. Problem Log Details EtherScope monitors network conditions and automatically alerts you to detected problems. Errors, Warnings, and Info Messages are listed. Intermittent Problems are reported and listed as Resolved, so even if they go away you know about them You can delete selected or resolved problems (or ‘undo’ if deleted by accident)

47. Documenting the LAN • Save results as a Report to document wired LAN attributes • click on Report button found on most Detail screens • Use Report Viewer and File Manager applications to view and manage reports on-board open to view open, rename or delete

48. Remote Access Via Web Browser Access real time or saved reports Direct link to support resources at www.flukenetworks.com Launch a remote session; can require password – default is blank (nothing) Access the embedded Online Help file

49. Performance testing • How do you know that a newly installed network link or network device is really delivering the performance he expects? • Is the performance sufficient for successful data transfers, email, web-based seminars, VoIP and other applications? • Are user complaints of a slow network true? • How will adding additional users to a segment of your network impact network performance? • The RFC 2544/ITO Option helps answer these questions.

50. RFC 2544/ITO Option • This option includes • RFC 2544 performance testing • a traffic generator • the proprietary Throughput Test found on other Fluke Networks analyzers like the OneTouch Network Assistant and the OptiView Integrated Network Analyzer • Select the RFC 2544 tests to characterize the performance of a network link using the well-accepted IETF recommendation • Select the proprietary Throughput Test for quick verification that a link can carry a specific, user-defined data rate for a set interval of time • Test at up to full line Gigabit rates • Over twisted pair or optical fiber (SX, LX, ZX) cabling