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This chapter describes the details of OpenFlow via CrossFlow mode. CrossFlow mode allows traditional L2/L3 and OpenFlow protocols to run simultaneously on the same physical switch.

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titleWarning:

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Note

CrossFlow mode has been greatly improved starting in PicOS 2.6.2. Now, most of the OVS mode commands are available in CrossFlow mode.

OVS features that are available in the CrossFlow mode:

  • controller (test ok)
  • egress-mode (test ok)
  • combinated-mode (test ok)
  • multi-table (test ok)
  • max-ecmp-ports (test ok)
  • loopback-enable (test ok)
  • flow-counter-mode (test ok)
  • GRE (test ok)
  • meter (test ok)
  • group (test ok)
  • Q-in-Q (test ok)
  • udf-mode(test ok)
  • manager(test ok)
  • mpls flow entries(test ok)

OVS features that need to be configured in Xorplus mode:

  • qos (test ok)
  • qe-port-mode (test ok)
  • lag-advance-hash-mapping-fields (test ok)
  • LACP (test ok)

The OVS features which are unavailable in CrossFlow mode:

  • proxy-arp
  • proxy-icmpv6
  • pbb flow entries
  • VxLAN
  • L2MPLS
  • L2GRE
  • match-mode

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In Crossflow mode, user can enable L2/L3 mode as a PicOS OVS multi-table function. If the L2/L3 mode is enabled, the FIB table resource will be shared by legacy ports and Crossflow ports, and data traffic cannot mix between the different type ports. User can allocate the resource for special ports as the following command shows.

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