ISL port down due to DWDM

• ISL Brocade switch
• ONTAP 9

• ISL port down
• From the Switch Logs:

BrcsG610-switch1:admin> switchshow
switchName: BrcdG610-switch1
switchType: 170.0
switchState: Online
switchMode: Native
switchRole: Principal
switchDomain: 7
switchId: fffc07
switchWwn: 10:00:xx:xx:xx:xx:xx:dd
zoning: ON
switchBeacon: OFF
HIF Mode: OFF
Index Port Address Media Speed State Proto
==================================================

22 22 071600 id 16G Online FC LE E-Port 10:00:xx:xx:xx:xx:xx:04 "BrcdG610-switch2" (downstream)(Trunk master)
23 23 071700 id 16G No_Sync FC LE

BrcdG610-switch1:admin> islshow
1: 22-> 22 10:00:xx:xx:xx:xx:xx:04 5 BrcdG610-switch2 sp: 16.000G bw: 16.000G TRUNK QOS CR_RECOV FEC

 

BrcdG610-switch1:admin> trunkshow
1: 22-> 22 10:00:xx:xx:xx:xx:xx:04 5 deskew 0 E-Port MASTER

BrcdG610-switch2:admin> switchshow
switchName: BrcdG610-switch2
switchType: 170.0
switchState: Online
switchMode: Native
switchRole: Subordinate
switchDomain: 5
switchId: fffc05
switchWwn: 10:00:xx:xx:xx:xx:xx:04
zoning: ON
switchBeacon: OFF
HIF Mode: OFF
Index Port Address Media Speed State Proto
==================================================

22 22 051600 id 16G Online FC LE E-Port 10:00:xx:xx:xx:xx:xx:dd "BrcdG610-switch1" (upstream)(Trunk master)
23 23 051700 id 16G In_Sync FC LE

BrcdG610-switch2:admin> islshow
1: 22-> 22 10:00:xx:xx:xx:xx:xx:dd 7 BrcdG610-switch1 sp: 16.000G bw: 16.000G TRUNK QOS CR_RECOV FEC

 

BrcdG610-switch2:admin> trunkshow
1: 22-> 22 10:00:xx:xx:xx:xx:xx:dd 7 deskew 0 E-Port MASTER


 

BrcdG610-switch1:admin> trunkdebug 22, 23
port 23 is not E/EX/F port

• sfpshow rx and tx value are in acceptable range in both switches

• Verifed cable

• Verified SFP