Cisco 4451-X Integrated Services Router
| Series | Cisco 4000 Series Integrated Services Routers |
|---|---|
| Overview | Product Overview |
| Product Type | Branch Routers |
| Status | Available Order |
| Release Date | 20-JUN-2013 |
| Product ID | |
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Recent Security Notices
- 10-Jan-2024
- 01-Nov-2023
- 05-Oct-2023
- 29-Sep-2023
- 19-Jan-2022
Document Categories
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Data Sheets and Product Information
At-a-Glance
Data Sheets
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- Cisco SM-X Based Layer 2 Switching Module Data Sheet
- Cisco 4000 Series Integrated Services Router Packet-over-T3/E3 Service Module Data Sheet
- Cisco 4000 Series Integrated Services Router Gigabit Ethernet WAN Modules Data Sheet
- Cisco Multimode G.SHDSL Network Interface Module Data Sheet
- Asynchronous Terminal Server Interface Modules for Cisco 4000 Series Integrated Services Routers Data Sheet
- Cisco 4-Port, 8-Port, and 8-Port with PoE/PoE+ Gigabit Ethernet LAN Switch Network Interface Modules Data Sheet
- Cisco SM-X Layer 2/3 EtherSwitch Service Module
- Cisco LTE Advanced 3.0 Network Interface Modules Wireless WAN Interface Cards
- Cisco 4G LTE 2.0 Network Interface Modules
- Cisco 4G LTE 2.5 Network Interface Modules Wireless WAN Interface Cards for Asia, Australia, and Selected Latin America Regions
- Cisco 4400 Series Integrated Services Router 1-, 2 , and 4-Port Serial Network Interface Modules Data Sheet
- Cisco Multimode VDSL2 and ADSL2/2+ Network Interface Module Data Sheet
- Cisco 4000 Series Data Sheet
Modules
End-of-Life and End-of-Sale Notices
Most Recent
- Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XE 17.13.x
- End-of-Sale and End-of-Life Announcement for the Cisco ISR4200, ISR4300 and select ISR4400 Series Platform Spares
- End-of-Sale and End-of-Life Announcement for the Cisco ISR4200, ISR4300 and select ISR4400 Series Platform
- End-of-Sale and End-of-Life Announcement for the Cisco ISR4200 and ISR4300 Series Platform for Brazil
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.6.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.8.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.7.x
- End-of-Sale and End-of-Life Announcement for the Cisco Select ISR Products and Software
- End-of-Sale and End-of-Life Announcement for the Cisco ISR4000 LTE Advanced NIM Promotional Product
- End-of-Sale and End-of-Life Announcement for the Cisco Select Cisco ISR4k Software - SISR4300UK9-165, SISR4400UK9-165 and UTD-SNT-316S
- End-of-Sale and End-of-Life Announcement for the Cisco Select ISR4k Accessories
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.3.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.5.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 16.12.x
- End-of-Sale and End-of-Life Announcement for the Cisco Select 4300ISR
View all documentation of this type
Security Notices
Field Notices
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- Field Notice: FN72578 - Cisco IOS XE - Smart Licensing Using Policy Might Cause High CPU/Memory Usage - Software Upgrade Recommended
- Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
- Field Notice: FN72323 - Cisco IOS XE Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, and Other Functionality - Software Upgrade Recommended
- Field Notice: FN - 72265 - Expired PKI Certificate on vEdge, ISR, and ASR Routers Causes SD-WAN Umbrella DNS Connections to Fail - Software Upgrade Recommended
- Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
- Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
- Field Notice: FN - 63938 - ISR4451X/K9 & ISR4431/K9 - Silent "PowerON" Reload - CPLD Update Required - Software Upgrade Recommended
Cisco 4451-X Integrated Services Router
Security Advisories, Responses and Notices
- Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability
- Multiple Cisco Products Snort Modbus Denial of Service Vulnerability
- Multiple Cisco Products Snort Memory Leak Denial of Service Vulnerability
- Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability
- Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerabilities
- Multiple Cisco Products Snort Ethernet Frame Decoder Denial of Service Vulnerability
- Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
- Multiple Cisco Products Snort TCP Fast Open File Policy Bypass Vulnerability
- Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability
- Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability
- Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
- Cisco Secure Boot Hardware Tampering Vulnerability
Release and Compatibility
Release Notes
Most Recent
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.6.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.12.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.9.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE 17.13.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.3.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.11.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.10.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.5.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.4.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.2.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.8.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.7.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.1.x
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Everest 16.6
- Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Fuji 16.9.x
View all documentation of this type
Reference
Command References
Most Recent
- Cisco SD-Routing Command Reference
- Programmability Command Reference, Cisco IOS XE 17.13.x
- Cisco IOS Interface and Hardware Component Command Reference
- Programmability Command Reference, Cisco IOS XE Dublin 17.12.x
- Programmability Command Reference, Cisco IOS XE Dublin 17.11.x
- Programmability Command Reference, Cisco IOS XE Dublin 17.10.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.9.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.8.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.7.x
- Programmability Command Reference, Cisco IOS XE Bengaluru 17.6.x
- Programmability Command Reference, Cisco IOS XE Bengaluru 17.5.x
- Programmability Command Reference, Cisco IOS XE Bengaluru 17.4.x
- Cisco IOS Dynamic Application Policy Routing Command Reference
- Programmability Command Reference, Cisco IOS XE Amsterdam 17.2.x
- Programmability Command Reference, Cisco IOS XE Amsterdam 17.1.x
View all documentation of this type
Documentation Roadmaps
Licensing Information
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- Open Source Used in Cisco ISR 4451-X (PDF - 844 KB)
Cisco 4451-X Integrated Services Router
- Cisco_IOS_XE_Denali_16_3_v1 (PDF - 785 KB)
- Implement Performance License for Integrated Service Router 4000
- Open Source Used in Cisco 4221 ISR (PDF - 3 MB)
- Open Source Used in Cisco IOS XE Denali Release 16.x (PDF - 780 KB)
- Open Source Used in Web UI Cisco IOS XE 6.7.1 (PDF - 750 KB)
- Security and VPN Configuration Guide, Cisco IOS XE 17.x
Technical References
- MIB Specifications Guide for the Cisco 4000 Series ISR
Cisco 4451-X Integrated Services Router
Design
Install and Upgrade
Install and Upgrade Guides
- Cisco Fourth-Generation LTE Advanced Network Interface Module Installation Guide
- Cisco Fourth-Generation LTE Network Interface Module Installation Guide
- Cisco VG450 Voice Gateway Hardware Installation Guide
- Cisco VG400 Voice Gateway Hardware Installation Guide
- Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
- IP Addressing: NAT Configuration Guide, Cisco IOS XE Gibraltar 16.10.x
- Installing the Cisco G.SHDSL Network Interface Module
- Installing the Cisco VDSL2 and ADSL2/2+ Network Interface Modules
- Regulatory Compliance and Safety Information for Cisco 4000 Series Integrated Services Routers
- Regulatory Compliance and Safety Information—Cisco Voice Gateway 400 and Voice Gateway 450 (PDF - 3 MB)
- Regulatory Compliance and Safety Information—Safety Warnings for Cisco 4000 Series ISRsInformation sur la réglementation de la conformité et de sécurité—Safety Warnings for Cisco 4000 Series ISRs (PDF - 5 MB)
- Upgrading Field-Programmable Hardware Devices for Cisco 4000 Series ISRs
- Upgrading Flash Memory for Cisco 4000 Series ISRs
Configuration
Configuration Examples and TechNotes
Configuration Guides
Most Recent
- Network Services Configuration Guide, Cisco IOS XE 17.x
- Cisco 4000 Series ISRs Software Configuration Guide, Cisco IOS XE 17
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards
- Programmability Configuration Guide, Cisco IOS XE 17.13.x
- IP Switching Cisco Express Forwarding Configuration Guide, Cisco IOS XE Gibraltar 16.10.x
- Cisco ASR 1000 Series Modular Ethernet Line Card Software Configuration Guide, Cisco IOS XE Gibraltar 17.x
- System Management Configuration Guide, Cisco IOS XE 17.x
- Programmability Configuration Guide, Cisco IOS XE Dublin 17.12.x
- Programmability Configuration Guide, Cisco IOS XE Dublin 17.11.x
- LAN and WAN Configuration Guide, Cisco IOS XE 17.x
- High Availability Configuration Guide, Cisco IOS XE 17.x
- IP Mobility: PMIPv6 Configuration Guide, Cisco IOS XE 17.x
- MPLS Configuration Guide, Cisco IOS XE 17.x
- Programmability Configuration Guide, Cisco IOS XE Dublin 17.10.x
- SNMP Configuration Guide, Cisco IOS XE 17
View all documentation of this type
Feature Guides
Maintain and Operate
Troubleshooting
Error and System Messages
- System Message Guide for Access and Edge Routers, Cisco IOS XE Bengaluru 17.5.x
- System Message Guide for Cisco IOS XE Bengaluru 17.6.x
- System Message Guide for Cisco IOS XE Cupertino 17.9.x
- System Message Guide for Cisco IOS XE Cupertino 17.8.x
- System Message Guide for Cisco IOS XE Cupertino 17.7.x
- System Message Guide for Cisco IOS XE Dublin 17.12.x
- System Message Guide for Cisco IOS XE Dublin 17.11.x
- System Message Guide for Cisco IOS XE Dublin 17.10.x
Troubleshooting Guides
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- Memory Troubleshooting Guide for Cisco 4000 Series ISRs
- Troubleshooting Guide for the Cisco 4000 Series Integrated Services Router
Cisco 4451-X Integrated Services Router
Troubleshooting TechNotes
Literature
White Papers
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Network interface modules (NIM)3Maximum switched Ethernet LAN ports with PoE48EtherSwitch Service Module type (width)2 single or 1 doublePoE support (wattage) without PoE boost500 W (with optional power supply redundancy)Intrusion preventionYesCisco Cloud Web SecurityYesForm factor2 RUSSL VPNNoModule online insertion and removal (OIR)YesPower supply typeInternal; AC, PoE or DCMaximum switched Ethernet ports48Hardware VPN acceleration (DES, 3DES, AES)NoRedundant power supplyYes - Internal RPSManagement port1 GE (Integated Out of Band)PoE support (wattage) with PoE boost950 W (no power supply redundancy)Integrated Services Card (ISC) slots1 (PVDM 4)Server virtualization platform (UCS E-Series)2-core single-wide, 4-core single-wide, 4-core double-wide, 6-core double-wide, 8-core double-wideEnhanced Services Module (SM-X)2 single or 1 double-wideIdentity-based networkingNoZone-based fiewall and NAT servicesVRF-Aware Firewall and Network Address Translation (NAT)USB Ports (type A)2Integrated WAN ports2 PoE GE / SFP; 2 GE / SFPDefault/max DRAM4 GB / 16 GBDefault/max Flash8 GB / 32 GBPerformance1 Gbps upgradeable to 2 Gbps
