Changes between Version 6 and Version 7 of GENIHwOpenFlowIssues
- Timestamp:
- 05/12/14 15:09:22 (10 years ago)
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GENIHwOpenFlowIssues
v6 v7 1 1 This is a page to keep track of known issues with using the Hardware OpenFlow switches in GENI. 2 2 [[PageOutline]] 3 = Problems with FV =3 = Known Issues with FV = 4 4 5 5 == Flow Stats with FV 1.0.8 == … … 16 16 This has not been studied very rigorously, so we don't have a list of FV versions that have manifested this problem. 17 17 18 = Problems with HW OF switches =18 = Known Issues with HW OF switches = 19 19 20 20 == Useful documents == … … 22 22 * HP switches installed on the IG racks (HP J8697A Switch E5406zl): [http://h20565.www2.hp.com/portal/site/hpsc/template.BINARYPORTLET/public/kb/docDisplay/resource.process/?spf_p.tpst=kbDocDisplay_ws_BI&spf_p.rid_kbDocDisplay=docDisplayResURL&javax.portlet.begCacheTok=com.vignette.cachetoken&spf_p.rst_kbDocDisplay=wsrp-resourceState%3DdocId%253Demr_na-c03170243-3%257CdocLocale%253D&javax.portlet.endCacheTok=com.vignette.cachetoken OpenFlow notes] 23 23 24 == Action isSW vs HW path on the switch ==24 == OpenFlow Actions in SW vs HW path on the switch == 25 25 Many of the OF switches deployed do not support the whole OF 1.0 spec in the hardware path, when an action is sent to the SW path this causes great degradation on the performance. There is no easy way to tell which actions are supported in HW and which actions are supported in SW. Below is a list of known actions that end up is software, that have been discovered after extensive debugging. 26 26