Cisco ISR4431-AX/K9 ISR 4431 Application Experience Bundle
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ISR4431-AX/K9 Overview
ISR4431-AX/K9 Bundle Identity
ISR4431-AX/K9 is Cisco's ISR 4431 Application Experience bundle with APP and Security licenses. It is not the AXV voice bundle: this PID does not identify a PVDM4 voice DSP or UC license as included.
ISR 4431 Hardware and Performance
The platform provides four onboard Gigabit Ethernet ports, three NIM slots and one ISC slot. Cisco lists 8 GB default flash, 2 GB data-plane DRAM and 4 GB control-plane DRAM. Published aggregate throughput is 500 Mbps by default and 1 Gbps with the FL-44-PERF-K9 performance license; boost is a separate entitlement.
Lifecycle and Migration
Cisco ended sale on November 7, 2023 and lists November 30, 2028 as the last date of support. The lifecycle notice maps this PID to C8300-1N1S-4T2X or C8300-1N1S-6T migration platforms. Interfaces, modules, APP and security functions, throughput and current subscriptions must be redesigned rather than assumed equivalent.
- Confirm APP and SEC entitlement records for the AX bundle.
- Do not assume UC licensing or a PVDM is included.
- Inventory NIM modules and performance licenses.
- Plan Catalyst 8300 migration before November 2028.
Cisco ISR 4000 official data sheet | Cisco ISR 4000 official lifecycle notice
ISR4431-AX/K9 Specification
| Exact model / SKU | ISR4431-AX/K9 |
| Exact PID | ISR4431-AX/K9 |
| Bundle | Application Experience with APP and SEC licenses |
| Voice boundary | UC license and PVDM voice DSP are not identified by this AX PID |
| Onboard Ethernet | 4 x Gigabit Ethernet |
| Expansion | 3 NIM slots and 1 ISC slot |
| Default memory | 2 GB data-plane DRAM and 4 GB control-plane DRAM |
| Default flash | 8 GB |
| Published aggregate throughput | 500 Mbps default; 1 Gbps with FL-44-PERF-K9 |
| End of sale | November 7, 2023 |
| Last date of support | November 30, 2028; migration to supported Catalyst 8300 design |
| Source match | Exact ISR4431-AX/K9 APP/SEC bundle identity, ISR 4431 ports, expansion, memory, performance and lifecycle from official Cisco documents |
| Official manufacturer reference | Cisco ISR 4000 official lifecycle notice |
ISR4431-AX/K9 Warranty
 | Low Price Guarantee |  | Quality Assurance |
 | Free CCIE Expert Technical Support |  | Commodity Refund Guarantee |
 | Diversified and Flexible Transportation Services |  | Standard Policy |
ISR4431-AX/K9 FAQ
What is ISR4431-AX/K9?
Cisco ISR4431-AX/K9 ISR 4431 Application Experience Bundle is a CISCO Router ISR 4000 product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
What interfaces and ports does ISR4431-AX/K9 provide?
For ISR4431-AX/K9, the manufacturer specification lists onboard ethernet as 4 x Gigabit Ethernet.
What memory or storage is listed for ISR4431-AX/K9?
For ISR4431-AX/K9, the manufacturer specification lists default memory as 2 GB data-plane DRAM and 4 GB control-plane DRAM.
What published aggregate throughput is listed for ISR4431-AX/K9?
For ISR4431-AX/K9, the manufacturer specification lists published aggregate throughput as 500 Mbps default; 1 Gbps with FL-44-PERF-K9.
Is ISR4431-AX/K9 available from YYST Global?
ISR4431-AX/K9 is in stock at YYST Global. Contact the sales team to confirm the required quantity, exact configuration, delivery destination and current lead time before ordering.
Related products
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ISO 9001 · ISO 14001 · ISO 45001
ISO 20000 · ISO 27001 · D&B