The Cisco ISR4451-X-VSEC/K9 stands out with its powerful integration of voice and security capabilities. Designed to advance medium to large enterprise communications, it supports a throughput of 1 to 2 Gbps ensuring efficient data flow for increasingly demanding network environments. Voice integration allows for rich-media sessions, optimized call processing, and enhanced voice quality. Security features embedded in the ISR4451-X-VSEC/K9 (SEC license included) provide potent threat defense, secure communication channels, and VPN capabilities, maintaining data integrity and confidentiality across networks. Enterprises preparing for future growth will benefit from the router’s scalable performance, thanks to its service module slots and upgradable data planes. By investing in this router, organizations can safeguard their data, streamline their communication operations, guarantee business continuity, and reduce long-term operational costs due to its robust design and low maintenance needs. Easy manageability, thanks to separate data and control/service planes, simplifies IT tasks, making this router a smart choice for a sustainable, forward-thinking enterprise infrastructure.
ISR4451-X-VSEC/K9 is the Cisco 4451 Integrated Services Router, with voice and security features Bundle. It supports 2 Enhanced service-module (SM-X) slots, delivers 1 Gbps to 2Gbps aggregate throughput. This router also supports two kinds of DDRM, data plane and control/services plane, which make administrator easy to manage the router.
Quick Specs
Figure 1 shows the appearance of Cisco ISR4451-X-VSEC/K9.
Table 1 shows the Quick Specs.
Product Code |
ISR4451-X-VSEC/K9 |
Bundle |
w/SEC and voice licenses |
Aggregate Throughput |
1 Gbps to 2Gbps |
Total onboard WAN or LAN 10/100/1000 ports |
4 |
RJ-45-based ports |
4 |
SFP-based ports |
4 |
Enhanced service-module (SM-X) slot |
2 |
NIM (Network Interface Modules) slots |
3 |
Onboard ISC slot |
1 |
DDRM (data plane) |
2 GB (default) / 2 GB (maximum) |
DDRM (control/services plane) |
4 GB (default) / 16 GB (maximum) |
Flash Memory |
8 GB (default) / 32 GB (maximum) |
Power-supply options |
Internal: AC, DC (roadmap) and PoE |
Rack height |
2 RU |
Dimensions (H x W x D) |
88.9 x 438.15 x 469.9 mm |
Product Details
Figure 2 shows the front panel of Cisco ISR4451-X-VSEC/K9.
Note:
â‘ |
AC power supply unit (PSU0) |
â‘£ |
Router power On/Off switch |
â‘¡ |
Router fan tray |
⑤ |
LEDs |
â‘¢ |
AC power supply unit (PSU1) |
|
·Router fan tray is hidden behind removable bezel.
·LEDs include 12 indicators.
Figure 3 shows the back panel of Cisco ISR4451-X-VSEC/K9.
Note:
â‘ |
USB Type A port |
⑤ |
Auxiliary port |
â‘¡ |
GE management port |
â‘¥ |
GE Ports |
â‘¢ |
USB Type B mini port |
⑦ |
NIM Slots |
â‘£ |
Console port |
â‘§ |
SM-X Slot |
·The NIMs support 2 single-wide or 1 double-wide.
·The GE Ports include 4 RJ45 ports and 4 SFP ports.
Table 2. Voice Security Bundle Features Table
Authentication and |
• Media encryption of voice RTP streams using SRTP • Exchange of RTP Control Protocol (RTCP) information using secure RTCP • SRTP to RTP fallback for calls between secure and insecure endpoints • Secure calls supported in Cisco Unified Survivable Remote Site Telephony (SRST) mode during WAN failover • Compressed RTP (CRTP) supported with media encrypted calls using SRTP |
Authentication and |
• Supports AES-128 encryption algorithm • Supports the HMAC secure hash authentication algorithm (SHA 1) |
Signaling Authentication and Encryption Features |
• Gateway to Cisco Unified Communications Manager signaling and encryption uses IPSec for Media Gateway Control Protocol (MGCP), H.323 and SIP gateways • IP phone to Cisco Unified Survivable Remote Site Telephony router signaling and encryption uses TLS |
Protocol Support |
• MGCP 0.1 (supports MGCP gateways with Cisco Unified Communications Manager) • H.323 (supported on H.323 gateways and CUBE; Cisco Unified Communications Manager interoperability is optional) • Session Initiation Protocol (SIP) • SCCP (Cisco Unified IP Phone) in SRST mode |
Module Support |
• Any module that has PVDM2, PVDM3 and/or built-in DSP |
Codec Support |
• G.711, G.729A, and G.729 |
The Modules, Cards, Licenses & Accessories
Table 3 shows some recommended modules, cards, licenses and several cables.
Items |
Models |
Descriptions |
Console and Auxillary Cables |
CAB-AUX-RJ45 |
Cisco CAB-AUX-RJ45 Auxiliary Cable 8ft with RJ45 and DB25M |
CAB-ETH-S-RJ45 |
Cisco Router Cable CAB-ETH-S-RJ45 |
|
CAB-CONSOLE-RJ45 |
Cisco CAB-CONSOLE-RJ45 Console Cable 6ft with RJ45 and DB9F |
|
CAB-CONSOLE-USB |
Cisco CAB-CONSOLE-USB Console Cable 6 ft with USB Type A and mini-B |
|
Licenses |
L-SL-44-APP-K9= |
Cisco ISR 4431/4451 AppX license L-SL-44-APP-K9= with WAAS/vWAAS 1300/2500 conns RTU |
FL-44-PERF-K9 |
Increases the performance from base performance 1 Gbps to 2 Gbps |
|
Voice Network Interface Modules |
NIM-1MFT-T1/E1 |
Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module |
NIM-2CE1T1-PRI |
Cisco Multiflex Trunk Voice and WAN network interface module |
|
NIM-4E/M |
Analog voice network interface card (ear and mouth) |
|
NIM-2FXS |
Cisco Analog voice network interface card NIM-2FXS |
|
NIM-2FXS/4FXO |
Cisco Analog voice network interface card NIM-2FXS/4FXO |
|
NIM-8MFT-T1/E1 |
Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module |
|
SFPs for On-Board GE Ports |
GLC-SX-MMD |
Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM |
GLC-LH-SMD |
Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM |
|
GLC-ZX-SMD |
Cisco GLC-ZX-SMD 1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM |
Compare to Similar Items
Table 4 shows the comparison.
Models |
ISR4451-X/K9 |
ISR4451-X-VSEC/K9 |
Bundle |
None |
Cisco ISR 4451 VSEC Bundle, PVDM4-64 w/ UC,SEC Lic,CUBE- 25 |
Aggregate Throughput |
1 Gbps to 2 Gbps |
1 Gbps to 2 Gbps |
Total onboard WAN or LAN 10/100/1000 ports |
4 |
4 |
RJ-45-based ports |
4 |
4 |
SFP-based ports |
4 |
4 |
Enhanced service-module slots |
2 |
2 |
NIM slots |
3 |
3 |
Onboard ISC slot |
1 |
1 |
Rack height |
2 |
2 |
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Affordability and Quality: ISR4451-X-VSEC/K9
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