Port 0 and Port 1 are combo Ports, meaning it has Ethernet or SFP port as an option.

Appendix 1 – Connecting at 1G Speeds

Test environment

• We have successfully tested 1G link connection with the following switches:

o Cisco Nexus-3048T

o Juniper EX-2200

o Dell (S3048, S4128F) switches.

• During interoperability testing, both local and remote ends were plugged with the same SFP/SFP+

Recommended changes when connecting at 1G speeds:

• In case of a speed change in SFPs or dynamic insertion of SFPs, we recommend enabling/disabling the vni interface after the module is inserted.

• If there is a change in the remote end configuration, we recommend enabling/disable the vni interface on the Versa side.

• Always make sure the interface is enabled in Versa FlexVNF.

• For 1G SFPs, the auto negotiation at the remote end needs to be turned off and the speed should be set to 1G

o E.g.: If the far-end is Cisco, configure speed to 1000 in the interface configuration interface Ethernet 1/25 speed 1000

▪ If the far-end is Juniper, configure no-auto-negotiation in the interface

configuration

enable;

ether-options {

no-auto-negotiation;

link-mode full-duplex;

speed {

1g;

}

}

As always, we strongly encourage customers validate compatibility/link issues in their lab environment with the target remote-end switch before ordering units in bulk.

Compatibility issues observed:

• We have seen link flap issues when testing with an older Cisco Nexus-3064 switch (2012).

The root cause was not identified with Cisco.

• Sometimes after reboot of the Versa devices, we have observed link errors on Cisco Nexus (Error DCX-NO Ack in 100 PDUs) side. If this is seen, execute shutdown followed by no shutdown of the interface on cisco side for Link detection.

• No support for BASE-T SFP modules for Denverton based boards