Cisco FL-4320-PERF-K9 PERFORMANCE ON DEMAND LICS FOR 4320 SERIES Showing the single result Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! Cisco Performance on Demand – License – Cisco 4321 Integrated Services Router – License 4320 SERIES $725.63 Original price was: $725.63.$725.62Current price is: $725.62. Add to cart