hi, we have some very old devices which the warranty shows "Expired". Does it mean the hardware can't be replaced if there is any failure? If the warranty shows "Covered", does it mean we can raise for RMA if any failure? Anyone pls advise? thanks. 

hi, some packet output drop occurs on c9300 switch interface. I want to increase softmax-multiplier. Can anyone please advise what the default value of this parameter is ?  If increasing it to 1200, any impact to other interfaces?the command : qos qu...

hi , we have cisco 6880-x core switch and connected to 1 Gbps wan circuit. Now encountering packet discard issue on the interface connected to the wan circuit. The max transmit rate reached 350Mbps based on Solarwind monitoriing. Can anyone please ad...