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There’s no default Telnet username/password on a Cisco C9300. You need the credentials configured by the administrator, or use console/password recovery if they’re unknown. SSH is recommended instead of Telnet for security.
Start with the basics: check interface errors/drops, logs, routing, and CPU usage, then compare both ends of the affected link. Commands like show interfaces, show logging, show ip route, and show spanning-tree are great starting points. Use ping/tra...
Yes, the 3802I is supported for Mobility Express, and Cisco’s documentation confirms the CAPWAP-to-ME conversion process. The main issue is simply obtaining the .tar image legitimately. Since Cisco is restricting the download for your account, contac...
Meraki VRF is a good option to look into for moving from L2 VLAN segmentation toward L3 segmentation. check the latest VRF documentation and supported use cases, especially the inter-VRF routing limitations, then test the design in a lab before movin...
Could be a hot-plug issue with the active optical cable. Check the Dell BIOS, USB-C/Thunderbolt drivers, and Cisco firmware first. If those are updated, it may simply be a compatibility limitation with the 9m cable.
