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iSNS is a protocol to provide discovery, notification, management and configuration of both ["iSCSI"] as well as ["Fibre Channel"] initiators and targets in an IP based SAN.[[BR]] iSNS is a protocol to provide discovery, notification, management and configuration of both ["iSCSI"] as well as FibreChannel initiators and targets in an IP based SAN.[[BR]]

Internet Storage Name Server (iSNS)

iSNS is a protocol to provide discovery, notification, management and configuration of both ["iSCSI"] as well as FibreChannel initiators and targets in an IP based SAN.BR iSNS is supported by many ["iSCSI"] initiator and target implementations but a good management system and interface is still lacking, possibly limiting the full potential of the protocol.

History

iSNS is a protocol defined by the [http://www.ietf.org/html.charters/ips-charter.html IPS] (IP Storage) working group of the ["IETF"].BR While it is currently still in draft mode and not an RFC standard, the iSNS protocol has received support from the industry and most/all iSCSI storage vendors today support iSNS.BR While the protocol as it is now is not yet a ratified standard/RFC it is semi-widely deployed and it is unlikely that the RFC when it will be published will contain any major changes to the protocol.

Protocol dependencies

  • ["TCP"] ["UDP"]: iSNS uses either ["TCP"] or ["UDP"] as its transport protocol. The well known port for iSNS traffic is 3205.

Example traffic

XXX - Add example traffic here (as plain text or Ethereal screenshot).

Ethereal

The iSNS dissector is fully functional.

Preference Settings

See ["iSNS Preferences"]

Example capture file

XXX - Add a simple example capture file to the SampleCaptures page and link from here. Keep it short, it's also a good idea to gzip it to make it even smaller, as Ethereal can open gzipped files automatically.

Display Filter

A complete list of iSNS display filter fields can be found in the [http://www.ethereal.com/docs/dfref/iSNS/iSNS.html display filter reference]

  • Show only the iSNS based traffic:

     isns 

Capture Filter

You cannot directly filter iSNS protocols while capturing. However, if you know the ["TCP"]/["UDP"] port used (see above), you can filter on that one.

Discussion

Internet_Storage_Name_Server (last edited 2008-04-12 17:50:41 by localhost)