Hi all I need to form a stackwise virtual, using two cisco 9500-48Y4C with IOSXE Version 17.15.03. For now, I've only two QSFP 40G LR4 SFP, so I can create only one switch virtual link.Anyway I would to prepare another couple of port for further swit...

Hi  I've a Cisco 9300-48UN and there is a problem with the stackwise Hardware: Follow the show switch detail : Stack Port Status Neighbors Switch# Port 1 Port 2 Port 1 Port 2 --------------------------------------------------------1            OK    ...

Hi everyone, We have several C9200L-48P-4X units that are experiencing excessive noise caused by an abnormal fan speed in the PS1. The onboard release is version 17.12.04 Dublin. We have performed several tests and can rule out: Excessive ambient hea...

Hi all I 've two Cisco C9500-48Y4C stacked in stackwise virtual mode. The release onboard is the 17.12.4 (latest suggested). My problem is that the dual-active detection port are stucked in shutdown. Dual-Active-Detection Configuration:--------------...

Hi all I know that upgrade a relase in ISSU mode on WS-C6807-XL-6T device is not advisable.Anyway, My question is: if the upgrade is done inside the same release train could we have problem ? for example:from 15.5(1)SY8 to 15.5.1-SY12orfrom 15.5(1)SY...