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Ethernet Switching and Bridging

  • Support for Proxy ARP on IRB interfaces (PTX10008)—Starting in Junos OS Evolved Release 21.2R1, you can configure Proxy ARP on IRB interfaces.

    [See Proxy ARP.]

  • Data Center Bridging Capability Exchange protocol (DCBX) (PTX10004, PTX10008, PTX10001-36MR)—Starting in Junos OS Evolved release 21.2R1 support is added for DCBX. DCBX is a discovery and exchange protocol for communicating configuration and capabilities among neighbors to ensure consistent configuration across the data center bridging network.

    [See Understanding DCBX and Understanding CoS Flow Control (Ethernet PAUSE and PFC).]