CA2512338A1 - Port adapter network-analyzer - Google Patents

Port adapter network-analyzer Download PDF

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Publication number
CA2512338A1
CA2512338A1 CA002512338A CA2512338A CA2512338A1 CA 2512338 A1 CA2512338 A1 CA 2512338A1 CA 002512338 A CA002512338 A CA 002512338A CA 2512338 A CA2512338 A CA 2512338A CA 2512338 A1 CA2512338 A1 CA 2512338A1
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CA
Canada
Prior art keywords
frames
fibre channel
port
ethernet
network device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002512338A
Other languages
French (fr)
Other versions
CA2512338C (en
Inventor
Pawan Agrawal
Sujatha Sundaraaraman
Ritu Aggrawal
Silvano Gai
Dinesh Ganapathy Dutt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cisco Technology Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2512338A1 publication Critical patent/CA2512338A1/en
Application granted granted Critical
Publication of CA2512338C publication Critical patent/CA2512338C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/026—Capturing of monitoring data using flow identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2212/00—Encapsulation of packets

Abstract

Methods and devices are provided for encapsulating FC frames from a network device as Ethernet frames. Preferably, the FC frames represent traffic for a plurality of ports of the network device. The encapsulated Ethernet frames m ay be input to a conventional network interface card of a personal computer ("PC") or laptop. Therefore, encapsulating the FC frames allows an engineer to use software installed on a conventional PC to troubleshoot problems with a network using FC protocol. According to some aspects of the invention, FC frames may be truncated to various degrees, to allow smaller data frames to be output at an appropriate rate to the analyzing personal computer, laptop, et c.

Claims (25)

1. A method of analyzing traffic on a network, comprising:
receiving Fibre Channel frames from a first port of a network device;
encapsulating the Fibre Channel frames as Ethernet frames; and outputting the Ethernet frames.
2. The method of claim 1, further comprising the step of configuring the port for switched port analyzer mode, wherein the first port outputs Fibre Channel frames replicating traffic of at least a second port of the network device.
3. The method of claim 1, wherein the encapsulating step comprises encapsulating only a portion of a Fibre Channel frame.
4. The method of claim 1, further comprising the step of adding data to a Fibre Channel frame.
5. The method of claim 1, further comprising the step of regulating a speed at which the Fibre Channel frames are input.
6. The method of claim 1, further comprising the step of regulating a speed at which the Ethernet frames are output.
7. A method of analyzing network traffic, comprising:
receiving Fibre Channel frames from a first port of a network device, the Fibre Channel frames including traffic from at least one other port of the network device;
encapsulating the Fibre Channel frames as Ethernet frames; and outputting the Ethernet frames.
8. An apparatus for facilitating the analysis of network traffic, the apparatus comprising:

a first port for receiving Fibre Channel frames from a first network device;
at least one processor for encapsulating the Fibre Channel frames as Ethernet frames; and a second port for outputting the Ethernet frames.
9. The apparatus of claim 8, wherein the at least one processor encapsulates only a portion of a Fibre Channel frame.
10. The apparatus of claim 8, further comprising a regulator for regulating a speed at which the Fibre Channel frames are input.
11. The apparatus of claim 8, further comprising a regulator for regulating a speed at which the Ethernet frames are output.
12. The apparatus of claim 8, wherein the apparatus is configurable according to a control frame received by the apparatus.
13. The apparatus of claim 8, further comprising a third port for receiving Fibre Channel frames from a second network device, wherein at least one processor encapsulates the Fibre Channel frames from the first port and the third port as Ethernet frames.
14. The apparatus of claim 11, wherein a processor determines the speed at which the Ethernet frames are output to another device.
15. The apparatus of claim 12, wherein the control frame is a Fibre Channel frame received from the network device via the first port.
16. The apparatus of claim 12, wherein the control frame is an Ethernet frame received via the second port.
17. The apparatus of claim 12, wherein the control frame contains an Internet Protocol address so that a subsequently-received frame can be routed to the Internet.
18. The apparatus of claim 12, wherein the control frame contains frame filtering information indicating that the apparatus should drop frames coming from one or more source addresses.
19. The apparatus of claim 12, wherein the control frame contains port filtering information, which controls the apparatus to filter out frames based on their associated ports.
20. The apparatus of claim 12, wherein the control frame contains a destination address for the apparatus to include in subsequently transmitted packets.
21. The apparatus of claim 12, wherein the control frame contains truncate mode information that controls the apparatus to truncate incoming Fibre Channel packets according to a predefined truncate mode.
22. The apparatus of claim 12, wherein the control frame contains information that controls the apparatus to stop outputting Ethernet frames.
23. The apparatus of claim 12, wherein the control frame contains information that controls the apparatus to start outputting Ethernet frames.
24. An apparatus for facilitating the analysis of network traffic, comprising:
means for receiving Fibre Channel frames from a first port of a network device;
means for encapsulating the Fibre Channel frames as Ethernet frames; and means for outputting the Ethernet frames.
25. A computer program embodied in a machine-readable medium for facilitating the analysis of network traffic, the computer program comprising instructions for controlling an apparatus to perform the following steps:
receiving Fibre Channel frames from a first port of a network device;

encapsulating the Fibre Channel frames as Ethernet frames; and outputting the Ethernet frames.
CA2512338A 2003-01-10 2003-12-18 Port adapter network-analyzer Expired - Fee Related CA2512338C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US43958203P 2003-01-10 2003-01-10
US60/439,582 2003-01-10
US10/409,427 US7782784B2 (en) 2003-01-10 2003-04-07 Port analyzer adapter
US10/409,427 2003-04-07
PCT/US2003/040911 WO2004064324A1 (en) 2003-01-10 2003-12-18 Port adapter network-analyzer

Publications (2)

Publication Number Publication Date
CA2512338A1 true CA2512338A1 (en) 2004-07-29
CA2512338C CA2512338C (en) 2010-05-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2512338A Expired - Fee Related CA2512338C (en) 2003-01-10 2003-12-18 Port adapter network-analyzer

Country Status (5)

Country Link
US (1) US7782784B2 (en)
EP (1) EP1582029B1 (en)
AU (1) AU2003301218B8 (en)
CA (1) CA2512338C (en)
WO (1) WO2004064324A1 (en)

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Also Published As

Publication number Publication date
US7782784B2 (en) 2010-08-24
AU2003301218B8 (en) 2010-06-03
US20040153854A1 (en) 2004-08-05
CA2512338C (en) 2010-05-25
WO2004064324A8 (en) 2005-08-18
EP1582029B1 (en) 2014-04-30
AU2003301218A1 (en) 2004-08-10
EP1582029A1 (en) 2005-10-05
WO2004064324A1 (en) 2004-07-29
AU2003301218B2 (en) 2009-09-10

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