AaAA informs that Forfor all the devices or components/Sparecomponents/spare parts you mentioned , if the required model/[part is announced as obsoleted / end of sale from the manufacturer, the bidder is required to provide a replacement model. The proposed replacement model or parts shall ensure the fully compatibility with the original model/part, and with equivalent or higher standard and specifications. The attachment is to reply your concerns, on end of sales notice, for the Cisco network device.