Please I have urgent inquire that I have Catalyst C9300X-12Y , connected to Korenix Jnet 6528Gf through fiber link ptach cord it's new implemntation , unfortunalty the link not goes up ,the port bring up at the Korenix switch but sill down from the other side Meraki Switch ... the used SFP at meraki switch P/N MA-SFP-1GB- LX10 & Korenix Jnet SFP korenix SFPGLX10, the current running Firmware at the Meraki CS 17.1.3, the switches C9300X-12Y managed through meraki cloud dashboard , all the trouble shooting steps applied at the port setting (speed , duplex , negotiation) with no luck , any one have idea about such issue
thanks
Mohamed Abouzaid
+201092086608
Hi @Mabouzid , what’s the fibre between both switches?
LC-LC Singlemode Fiber Optic Cable
Might be a silly question….have you tried swapping the ends round on one of the fibre patch leads?
yes same thing , other thing if noticed if connected the same Korenix switch to catalyst switch 9200 the link goes up normal
Ah, so we’re beyond troubleshooting a layer 1 issue.
Have you contacted Meraki support? Is the 9300 on the latest firmware?
yes i send ticket to Meraki Support , but till now no reply , the current firmware stable release candidate CS 17.1.3 , is there recommended Firmware to bring the link up ?
You’d be better served ringing support directly. You can find their number in your dashboard.
unfortunatly i am not able to reach them
the fiber patch cord used between both switches is
<COMMSCOPE SYSTIMAX SOLUTIONS | FFWLCLC42-JXM003 | FFWLCLC42-JXM003
TeraSPEED OS2 Fiber Patch Cord, 2 Fibers, LC - LC 1.6mm Duplex, LSZH, Yellow, 3 m>