Keep SN5400 series environments covered with business-critical support designed for fast recovery and controlled downtime. This 17-month renewal pairs 4-hour response with advanced replacement, helping infrastructure teams move quickly when hardware issues threaten service availability. For enterprise networks, support quality matters as much as the hardware itself. This service is built for operations where delayed parts, slow escalation, or uncertain coverage can create outsized risk. The 4-hour MA AR model helps shorten the gap between incident and resolution by aligning response speed with replacement logistics. It is a strong fit for organizations standardizing on SN5400 switching and looking to preserve uptime without overcommitting to a longer service term. The renewal structure also makes it practical for teams extending an existing support posture while keeping procurement aligned to current deployment plans. Choose this service when the cost of delay is higher than the cost of assurance. It gives procurement and infrastructure leaders a defined support window, faster recovery mechanics, and the confidence to keep critical network paths protected.