Full English Description for Cisco CSR1000V
1. Official Short Order Description (Datasheet Standard Format)
Cisco CSR1000V (Cloud Services Router 1000V): Virtualized IOS XE multi-service enterprise router deployed as x86 virtual machine (VM), designed for private virtual data centers, on-prem UCS servers and major public cloud VPC environments. Built on unified Cisco IOS XE software shared with physical ISR/ASR hardware, supporting full routing stack, multi-protocol VPN, zone-based firewall, NAT, AVC application visibility, hierarchical QoS, SD-WAN, MPLS, VXLAN and high availability protocols. Compatible with VMware ESXi, Red Hat KVM, Citrix XenServer, Microsoft Hyper-V, AWS EC2, Azure and GCP cloud instances. Scalable throughput tiered from 10 Mbps up to 10 Gbps, licensed via IPBase, Security, AX and APPX feature packages. Delivers consistent end-to-end hybrid networking to extend enterprise WAN securely into multi-tenant cloud infrastructures, serving as tenant gateway, cloud edge router, SD-WAN virtual hub and cross-cloud interconnect.
2. Complete Detailed Product Overview
Product Line Positioning
The Cisco CSR1000V is Cisco’s flagship virtual cloud services router, a software-only virtual appliance eliminating dedicated routing hardware for cloud and virtualized workload environmentsCisco. It shares identical IOS XE CLI, operational workflows and core feature library with physical ISR 4000/9000 and ASR 1000 series routers, enabling uniform network policy management across on-prem, branch and multi-cloud domainsCisco.
Target deployment scenarios include enterprise hybrid cloud connectivity, multi-tenant IaaS provider gateways, virtual SD-WAN hubs, cross-VPC interconnection, disaster recovery site routing and cloud workload security segmentation. Unlike physical hardware routers, CSR1000V runs as a lightweight VM on commodity x86 servers or public cloud compute instances, supporting elastic scaling via vCPU/RAM resource adjustment without hardware refresh cycles. It delivers enterprise-grade routing, security and WAN optimization to unify distributed branch, data center and cloud traffic under a single IOS XE control plane.
Supported Virtualization & Cloud Platforms
On-Prem Hypervisor Compatibility
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VMware ESXi / vSphere (supports vMotion, Distributed vSwitch, Nexus 1000V virtual switch)
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Red Hat KVM / Ubuntu KVM with Open vSwitch
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Citrix XenServer
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Microsoft Hyper-V
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Cisco UCS x86 rack/blade servers as bare-metal VM hosts
Public Cloud Native AMI/Images
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Amazon AWS EC2
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Microsoft Azure
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Google Cloud Platform (GCP)
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Compatible with PCIe NIC passthrough to boost VM throughput and reduce virtual switching latencyCisco
Virtual Resource & Performance Specifications
Virtual Hardware Resource Profiles (Scalable)
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vCPU allocation: 1 vCPU (entry) up to 8 vCPUs (high-throughput)
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RAM: Minimum 2 GB, maximum 32 GB for high-scale VPN/MPLS deployments
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Virtual disk: Minimum 8 GB storage for IOS XE VM image
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Virtual interfaces: Unlimited virtual Ethernet adapters mapped to hypervisor vSwitch ports
Tiered Throughput Licensing Tiers
10 Mbps, 50 Mbps, 100 Mbps, 250 Mbps, 500 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, 10 Gbps line-rate throughput caps enforced by software license keys
Core Performance Benchmarks
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Concurrent NAT sessions: Up to 1,000,000 (AX/Security license tiers)
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IPsec VPN throughput: Hardware-accelerated crypto via host CPU AES-NI extensions
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Maximum concurrent DMVPN/FlexVPN tunnels: Scales with allocated vCPU/RAM
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NetFlow v9/IPFIX flow monitoring for full traffic visibility
Full Integrated Feature Stack (Licensed by Technology Packages)
1. IPBase License (Base Routing Foundation)
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Unicast routing protocols: EIGRP, OSPF, BGP, Static Routing, Policy-Based Routing (PBR)
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IPv4 / IPv6 dual-stack native support, RIPng, 6to4 tunneling
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VRF-Lite multi-tenancy routing separation, GRE tunnel encapsulation
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802.1Q VLAN tagging, VXLAN overlay tunneling for cloud workload segmentation
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Basic NAT, PAT, static one-to-one NAT, port forwarding, DMZ host
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High availability: HSRP, VRRP, GLBP gateway redundancy protocols
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ACL traffic filtering, basic QoS queue scheduling, IP SLA path monitoring
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DHCP server/relay, DNS proxy, DDNS support
2. Security License (IPBase + Enterprise Security Suite)
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Zone-Based Firewall (ZBFW) with stateful packet inspection, DoS/DDoS mitigation
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Full VPN portfolio: IPsec, DMVPN, FlexVPN, Easy VPN, SSL remote access VPN
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IKEv1/IKEv2 dual support, AES-128/192/256, 3DES crypto, SHA-256 authentication
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AAA authentication, RADIUS/TACACS+ integration for device access control
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Multicast routing (PIM-SM/SSM), BFD fast failure detection for all routing peers
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MPLS core, MPLS L3/L2 VPN service delivery for cloud provider tenants
3. AX Advanced License (Security + Premium WAN & Application Features)
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AVC Application Visibility and Control: Deep packet inspection to classify thousands of cloud, video, social and P2P applications
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Hierarchical multi-level QoS, per-application bandwidth shaping, DSCP/802.1p marking
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Cisco SD-WAN overlay orchestration, vBond/vManage/vSmart integration for virtual SD-WAN hubs
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AppNav / WCCP traffic redirection for integration with WAAS WAN optimization appliances
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OTV Overlay Transport Virtualization, LISP locator/ID separation for multi-cloud workload mobility
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Advanced multicast replication, cross-data-center layer 2 extension over IPsec tunnels
4. APPX License (Advanced networking without IPsec/firewall security features)
Intended for pure data center overlay routing use cases where edge security is handled by separate cloud firewalls.
Unified Security Capabilities
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Stateful zone-based firewall with application-aware policy rules
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Multi-protocol encrypted VPN for site-to-site hybrid cloud interconnection
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Anti-spoofing IP source guard, URPF strict loose mode
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Local event logging, remote Syslog export, email alerting for tunnel failures and security breaches
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Encrypted administrative access: SSHv2, HTTPS, encrypted SNMP v3
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Password complexity enforcement, role-based CLI privilege levels
Intelligent QoS & Application Traffic Management
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8-level hierarchical traffic queues for voice, video conferencing, business SaaS and background traffic
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Per-VPN, per-VRF, per-application bandwidth policing and shaping
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DSCP mapping and end-to-end QoS preservation across multi-site IPsec tunnels
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IP SLA loss/latency/jitter measurement for intelligent SD-WAN path selection based on SLAs
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AVC reporting to identify bandwidth-heavy streaming, social media and file-sharing traffic
High Availability & Resilience
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HSRP/VRRP virtual gateway redundancy for active/standby VM router pairs
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Stateful switchover (SSO) for non-disruptive failover of VPN sessions and NAT flows
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BFD sub-second failure detection for all routing neighbors to eliminate blackholing
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Hypervisor vMotion live migration support without dropping active data plane sessions
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VM snapshot backup for rapid configuration recovery after outages
Management, Automation & Monitoring Tools
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Native IOS XE CLI via SSH, console serial emulation
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REST API / OnePK programmable interfaces for cloud orchestration automation (Terraform, Ansible integration)
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Monitoring protocols: SNMP v3, NetFlow v9, IPFIX, Embedded Event Manager (EEM) scripting
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Centralized management compatibility: Cisco vManage SD-WAN controller, Cisco DNA Center, FindIT, Prime Infrastructure
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Configuration workflows: Offline config import/export, USB virtual disk firmware upgrades, zero-touch PnP deployment for cloud VM instances
Power, Deployment & Environmental Notes
As a purely virtual software appliance, CSR1000V has no physical hardware dimensions, power supply or thermal constraints. Resource consumption scales dynamically with allocated vCPU and memory, enabling elastic compute sizing based on variable cloud traffic loads. It operates on standard x86-64 server architecture with Intel AES-NI CPU extensions recommended for accelerated VPN crypto performance.
Typical Deployment Scenarios
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Hybrid cloud edge gateway connecting on-prem enterprise branches to AWS/Azure/GCP workloads via IPsec/DMVPN
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Multi-tenant IaaS cloud provider virtual tenant router to isolate customer VPC networks with independent VRF, firewall and VPN policies
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Virtual SD-WAN regional hub deployed in public cloud to aggregate thousands of physical branch ISR devices
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Cross-VPC interconnection router for multi-region cloud workload communication without public internet backhaul
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Disaster recovery site virtual routing platform for failover of primary data center traffic
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Virtualized data center overlay gateway delivering MPLS and VXLAN segmentation for virtual server workloads
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Secure remote access SSL VPN termination point hosted entirely within public cloud infrastructure
3. E-commerce Short Marketing Description
Cisco CSR1000V Cloud Services Virtual Router, IOS XE software-based VM router for x86 hypervisors and major public clouds, scalable 10Mbps–10Gbps throughput licensing, full dual-stack IPv4/IPv6 routing, IPsec/DMVPN/FlexVPN multi-protocol VPN, zone-based stateful firewall, AVC application visibility, SD-WAN overlay support, MPLS/VXLAN overlay tunneling, HSRP/VRRP high availability, REST API automation, licensed via IPBase / Security / AX / APPX feature tiers. Unified virtual edge gateway for hybrid cloud connectivity, multi-tenant IaaS segmentation and virtual SD-WAN hub deployments, consistent IOS XE operational experience matching physical Cisco ISR/ASR hardware routers.
4. Product Catalog Keyword Tags
Cisco, CSR1000V, Cloud Services Router 1000V, Virtual IOS XE Router, Virtualized Cloud Edge Router, x86 VM Network Appliance, VMware ESXi / KVM / Hyper-V / Xen Compatible, AWS EC2 / Azure / GCP Native Image, Dual-Stack IPv4/IPv6, EIGRP/OSPF/BGP Routing, VRF-Lite Multi-Tenant Separation, VXLAN/OTV/LISP Overlay Tunneling, DMVPN/FlexVPN/IPsec/SSL VPN Suite, Zone-Based Stateful Firewall, AVC Application Visibility Control, Hierarchical QoS & IP SLA SLA-Aware Routing, Cisco SD-WAN Virtual Hub, MPLS L2/L3 VPN, HSRP VRRP GLBP High Availability, BFD Fast Failure Detection, NAT/PAT Static Port Forwarding, NetFlow v9 IPFIX Monitoring, REST API Orchestration Automation, IOS XE Unified CLI, IPBase / Security / AX / APPX License Tiers, 10Mbps to 10Gbps Scalable Throughput, Hybrid Cloud Interconnect Gateway, Multi-Tenant IaaS Tenant Router, Virtual Data Center Overlay Router, Disaster Recovery Virtual Edge
Naming Rule Explanation
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CSR: Cloud Services Router, Cisco’s virtual router product family identifier for cloud/virtual data center deployments
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1000V: Generation 1000 virtualized software router platform; the "V" suffix denotes virtual-only form factor with no corresponding physical hardware chassis counterpart
Distinct from physical ISR/ASR hardware lines, CSR1000V is a software-only VM appliance designed exclusively for hypervisor and public cloud compute environments, while retaining full IOS XE feature parity for enterprise routing and security workflows.
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