General

Customer noted the link flap for several ports with speed degradation from 10G then 1G and now 100MB which cause low performance >>> Hardware and software of the affected device: [Wed Mar 5 13:58:56 2025]:`show module` Mod Ports Module-Type Model Status --- ----- ----------------------------------- ------------------ ---------- 1 54 48x10G N9K-C93108TC-EX active *<------------- ACI ver: aci-n9000-dk9.14.2.7t.bin

Symptom

Customer noted the link flap for several ports with speed degradation from 10G then 1G and now 100MB which cause low performance >>> Hardware and software of the affected device: [Wed Mar 5 13:58:56 2025]:`show module` Mod Ports Module-Type Model Status --- ----- ----------------------------------- ------------------ ---------- 1 54 48x10G N9K-C93108TC-EX active *<------------- ACI ver: aci-n9000-dk9.14.2.7t.bin

Conditions

Customer noted the link flap for several ports with speed degradation from 10G then 1G and now 100MB which cause low performance >>> Hardware and software of the affected device: [Wed Mar 5 13:58:56 2025]:`show module` Mod Ports Module-Type Model Status --- ----- ----------------------------------- ------------------ ---------- 1 54 48x10G N9K-C93108TC-EX active *<------------- ACI ver: aci-n9000-dk9.14.2.7t.bin +AN on +FEC disabled +copper cable RJ45 +Speed inherit

Workaround

issue resolved after set the speed manually to 10G from server end

Further Problem Description