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The switches running in a stacked configuration always have to run the same firmware, which means that in case of a firmware upgrade the network manager has to implement the new firmware on all stack-members at the same time, resulting in an outage of the entire stack.
It is a small (1U) switch with a high port-density and can be used as distribution or (collapsed)core switch for campus networks and for use in the datacenter it offers features such as loss-less Ethernet for iSCSI and FCoE, data center bridging (DCB) and iSCSI Auto-configure [19] The PCT8100 series is a "multi-layer" switch which can be used ...
DNOS or Dell Networking Operating System is a network operating system running on switches from Dell Networking.It is derived from either the PowerConnect OS (DNOS 6.x) or Force10 OS/FTOS (DNOS 9.x) and will be made available for the 10G and faster Dell Networking S-series switches, the Z-series 40G core switches and DNOS6 is available for the N-series switches.
The multi-layer switches however have the bootcode and operational code distributed in one file: one download and (prepare to) activate the newer firmware and with a special command (update bootcode) the switch builds the new bootcode from the operational code information. It is always possible to run a newer firmware operational code on a ...
System Locked Pre-installation (SLP), also referred to as OEM Activation, is a product activation procedure for Microsoft Windows used by major OEMs of laptops and pre-built PCs wherein a Windows product key is added and locked to the machine's firmware before mass distribution. SLP product keys cannot be moved to other machines.
This switch was the first switch to display the new brand name Dell Networking [2] and the new name for FTOS: Dell Networking Operating System or DNOS. Dell Force10 also offers a FTOS based blade switch: Force10 MXL 10/40 Gbit/s switch for their M1000e blade enclosure, available since the second half of 2012.
In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.
Stacking resiliency. Multiple switches can have ways to bypass a “down” switch in a stack, thus allowing the remaining units to function as a stack even with a failed or removed unit. Layer 3 redundancy. Some stackable architectures allow for continued Layer 3 routing if there is a “down” switch in a stack.