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No link if Qlogic qlge card is connected to Brocade switch via TwinAx cable (Doc ID 1962461.1)

Last updated on MAY 09, 2018

Applies to:

Solaris Operating System - Version 11.1 and later
Sun Dual 10GbE SFP+ PCIe 2.0 Low Profile Adapter - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Connected system via Brocade SFP+ cable to switch for network connectivity (no FCoE). Interface seems to be up and ok but we unable to access other hosts.

Looking at the switch side we can see that the swtich is reporting the "line protocol up" showing the physical connection of the port:

VDX# show interface TenGigabitEthernet 1/0/9

TenGigabitEthernet 1/0/9 is up, line protocol is up (connected)

On the Solaris side the interface is shown with link and running but trying to ping other hosts fails and no network packets are being received from the swtich. Snoop shows outbound traffic only (e.g. ARp requests).

If the single port is part of a link aggregation then the switch is additionally reporting a link protocol down:

VDX# show interface port-channel 2

Port-channel 2 is up, line protocol is down (link protocol down)

 

Cause

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