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Cisco ISR 4000 Router ISR4321-SEC-K9 The Cisco 4000 Series Integrated Services Routers provide routing, hosting, security, switching, and application visibility—all in a single, trustworthy platform.
The Cisco 4000 Series Integrated Services Routers provide routing, hosting, security, switching, and application visibility—all in a single, trustworthy platform. Build your digital branch to be secure, fast, and scalable. Quickly adopt advanced technologies—such as Catalyst SD-WAN, enhanced application visibility, and edge computing—while meeting the heavy network-performance demands driven by cloud applications and digital transformation.
The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.
Cisco 4000 Family ISRs provide you with Cisco® Software Defined WAN (SDWAN) software features and a converged branch infrastructure. Along with superior throughput, these capabilities form the building blocks of next-generation branch-office WAN solutions.
Cisco ISR 4000 Router ISR4321-SEC-K9 Specification
| Depth | 29.464 cm |
| Height | 4.455 cm |
| Weight | 3.5 kg |
| Width | 36.957 cm |
| Humidity Range Operating | 5 - 85% |
| Max Operating Temperature | 40 °C |
| Min Operating Temperature | 0 °C |
| Expansion Slots | 2 (total) / 2 (free) x NIM ¦ 1 (total) / 1 (free) x ISC ¦ 1 (total) / 0 (free) x DIMM 240-pin |
| Interfaces | WAN / LAN: 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ Serial: 1 x console - RJ-45 ¦ Management: 1 x console - mini-USB Type B ¦ Serial: 1 x auxiliary - RJ-45 ¦ USB 2.0: 1 x 4 pin USB Type A ¦ 1 x SFP (mini-GBIC) ¦ Management: 1 x RJ-45 |
| Compliant Standards | IEEE 802.3, IEEE 802.1Q, IEEE 802.3ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.824, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, ICES-003 Class A, CS-03, R&TTE, FCC CFR47 Part 15, UL 60950-1, IEC 60950-1, EN 60950-1, AS/NZS 3548 Class A, GB 4943, VCCI V-3, EN 61000, KN22, KN24, CNS 13438, EN 300 386, CAN/CSA-C22.2 No. 60950-1 |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Enclosure Type | Rack-mountable - modular - 1U |
| Features | Firewall protection, VPN support, VLAN support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), wall mountable, IPSec Virtual Private Network (VPN), Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN), RADIUS support, NetFlow, IPFIX |
| Flash Memory | 4 GB (installed) / 8 GB (max) |
| Network / Transport Protocol | IPSec, PPPoE, DHCP |
| Performance | Aggregate throughput: 50 Mbps |
| Remote Management Protocol | SNMP, RMON |
| Routing Protocol | OSPF, IS-IS, RIP-1, RIP-2, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), IPv4-to-IPv6 Multicast |
Cisco Software Defined WAN
Cisco SDWAN is a set of intelligent software services that allow you to reliably and securely connect users, devices, and branch office locations across a diverse set of WAN transport links. SDWAN-enabled routers like the ISR 4000 dynamically route traffic across the “best” link based on up-to-the-minute application and network conditions for great application experiences. You get tight control over application performance, bandwidth usage, data privacy, and availability of your WAN links - control that you need as your branches conduct greater volumes of mission-critical business.
Cisco ISR 4000 Router ISR4321-SEC-K9
The Cisco 4000 Series ISRs consolidate many must-have IT functions, including network, compute, and storage resources. The high-performance, integrated routers run multiple concurrent services, including encryption, traffic management, and WAN optimization, without slowing your data throughput. And you can activate new services on demand through a simple licensing change.
In recent years, rapid digital tech transformation and adoption The Cisco ISR4321-SEC-K9 is a powerful integrated services security router. Its secure connectivity and advanced features cater to the demanding needs of small businesses and branch offices.
Cisco 4000 Family ISRs provide you with Cisco Software Defined WAN (SDWAN) software features and a converged branch infrastructure. Along with superior throughput, these capabilities form the building blocks of next-generation branch-office WAN solutions.®
The Cisco 4000 Series runs the same feature-rich Cisco IOS XE Software as the current-generation Cisco ASR 1000 Series. By using the same software release as the Cisco ASR 1000 Series, the Cisco 4000 Series benefits from a rich history of branch-office feature development as well as ongoing feature development.
The 4000 Series has separate data and control-plane memory. The control-plane memory comes with 4 GB as the default and is upgradable up to 16 GB based on various platforms. The data-plane memory comes with 2 GB as the default and is not currently upgradable.
Yes.
Yes. You can configure auto-failover on any front-panel port with RJ-45 and SFP connections. When auto-failover is configured, if the primary interface type fails, either RJ-45 or SFP, the other media type becomes active and allows traffic to continue over the backup physical connection. In this scenario, the backup connection needs to be connected with the same speed and duplex as the primary connection. Note that the auto-failover feature as described does support one Gigabit Ethernet interface acting as a backup to another. The two physical connections available on a single Gigabit Ethernet interface simply provide failover if a link fails.
The Cisco ISR4321-SEC-K9 has one DIMM.
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