Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR)
Brand: Cisco | Category: Network Equipment
SKU: CSC-CISCO2821 | Part #: CISCO2821 | MPN: CISCO2821
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About the Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR)
The Cisco ISR 2800 (CISCO2821) is managed via on-box CLI, with configuration and monitoring performed directly through the router's command-line interface—no centralised controller or cloud platform is required, and no additional licensing is mandated for basic routing and switching operations. This 1U rack-mountable Integrated Services Router delivers enterprise-grade connectivity, security, and service integration in a compact footprint, making it ideal for branch offices, remote sites, and small-to-medium networks that require unified WAN, LAN, VPN, and voice capabilities without complex orchestration overhead.
Network engineers and IT procurement teams standardising on Cisco platforms will find the ISR 2800 a modular, scalable solution. The router combines fixed Gigabit Ethernet connectivity with four WAN Interface Card slots and two Network Module slots, enabling custom configurations for IPSec VPN, SSL VPN, voice, and advanced security services. The CISCO2821 supports Cisco IOS Software with multiple feature sets, integrated firewall and intrusion prevention, and optional hardware-accelerated VPN via dedicated modules. With upgradeable memory and flash storage, the platform adapts to growing network demands while maintaining a predictable, cost-effective operational model. Contact Omnixon Global for technical specifications, availability, and a detailed request for quotation.
Key Specifications
- Manufacturer: Cisco
- Part Number: CISCO2821
- Form Factor: 1U Rack-Mountable
- Integrated LAN Ports: 2 × 10/100/1000 Mbps Gigabit Ethernet (RJ-45)
- WAN Interface Card Slots: 4
- Network Module Slots: 2
- Default DRAM: 256 MB (upgradeable to 768 MB)
- Default Flash Memory: 64 MB
- Operating System: Cisco IOS Software
- Security Features: Cisco IOS Firewall, Zone-Based Policy Firewall, Cisco IOS IPS, NAT, ACL
- Power Supply: 175 W internal AC power supply (100–240 V AC, 50–60 Hz)
Technical Specifications
| Brand | Cisco |
| Category | Network Equipment |
| SKU | CSC-CISCO2821 |
| Part Number | CISCO2821 |
| Condition | New |
| Manufacturer Part Number | CISCO2821 |
| Product Series | Cisco ISR 2800 |
| Form Factor | 1U Rack-Mountable |
| Integrated LAN Ports | 2 x 10/100/1000 Mbps Gigabit Ethernet (RJ-45) |
| USB Ports | 2 x USB 1.1 (Type A) — for flash storage and eToken |
| WAN Interface Card (WIC/HWIC) Slots | 4 |
| Network Module (NM) Slots | 2 |
| Advanced Integration Module (AIM) Slots | 1 |
| Compact Flash Slot | 1 (default 64 MB Compact Flash, upgradeable) |
| Default DRAM | 256 MB (upgradeable to 768 MB) |
| Default Flash Memory | 64 MB |
| Operating System | Cisco IOS Software (multiple feature sets available) |
| VPN Support | IPSec, SSL VPN; hardware acceleration available via AIM-VPN/EPII-PLUS or AIM-VPN/BPII-PLUS |
| Voice Capability | Cisco Unified CME, SRST; voice DSP modules via NM-HDV2 or AIM-VOICE |
| Security Features | Cisco IOS Firewall, Zone-Based Policy Firewall, Cisco IOS IPS, NAT, ACL |
| Power Supply | 175 W internal AC power supply |
| Input Voltage | 100–240 V AC, 50–60 Hz |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Dimensions (H x W x D) | 1.72 in x 17.3 in x 18.0 in (4.37 cm x 43.9 cm x 45.7 cm) |
| Weight | Approximately 8.2 kg (18.1 lb) base chassis |
| Compliance | UL, CE, FCC Part 15 Class A, ICES-003, EN55022 Class A |
Frequently Asked Questions about Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR)
What does the Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR) do?
The Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR) is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
Is the Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR) compatible with my infrastructure?
The Cisco ISR 2800 CISCO2821 Cisco Integrated Services Router (ISR) interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.