Ping between PCs → works if switching is supported. If not — fall back to or IOU .
: Legally available via a Cisco Modeling Labs (CML) subscription. B. Cisco IOU (IOS on Unix) Cisco 3750 Switch Ios Image Download For Gns3 UPD
Due to the internal hardware architecture of the physical Cisco Catalyst 3750 Go to product viewer dialog for this item. Ping between PCs → works if switching is supported