What’s the Difference between Cisco 2901

and 2801?
Key Features
Cisco 2901
 2 integrated 10/100/1000 Ethernet ports
 4 enhanced high-speed WAN interface card slots
 2 onboard digital signal processor (DSP) slots
 1 onboard Internal Service Module for application services
 Fully integrated power distribution to modules supporting 802.3af Power over
Ethernet (PoE) and Cisco Enhanced PoE
 Security
1. Embedded hardware-accelerated VPN encryption for secure collaborative
VPN communications
2. Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based
Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
3. Identity management that uses authentication, authorization, and accounting
(AAA) and public key infrastructure
 Voice
1. High-density-packet voice DSP module, optimized for voice and video
2. Standards-certified VoiceXML browser services
3. Cisco Unified Border Element capabilities
4. Cisco Unity Express voicemail support
5. Support for Cisco Communications Manager Express and Survivable Remote
Site Telephony
Cisco 2801
 Mid/High-Density, High Performance Services
1. Security: On-board encryption, up to 800 VPN tunnels (AIM); IOS FW,
NAC, IPS, or Content Security
2. Voice: Mid/High-density analog/digital voice with IP Telephony, Voice Mail;
CallManager Express or Survivable Remote Site Telephony support for up to
24 IP phones
 High-performance concurrent security, voice and advanced services to multiple
T1/E1 WAN rates
 Integrated Dual 10/100 ports
 Optional integration of L2 switching with PoE
 Enhanced Modularity and Investment Protection
 Flexible expansion ( 2 HWIC slots), additional concurrent services
 Existing WIC/VIC/VWIC, AIM support
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 Scalable services deployment and availability features

Appearance
Cisco 2901

Cisco 2801

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Products Comparison
Cisco 2901

Cisco 2801

Default/maximum flash memory

256 MB/4 GB

64 MB/128 MB

Default/maximum DRAM

512 MB/2.5 GB

128 MB/384 MB

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Feature Comparison

Compact flash slots

2

Built-in LAN connectivity

2
Gigabit 2 Fast Ethernet
Ethernet (GE)
(FE)

Integrated SFP slots

0

0

Multicore processor

Yes

No

USB host ports

2

1

USB console

Yes

No

WAN slots

4 EHWIC

4 HWIC

AIM slots

0

2

ISM slots

1

0

PVDM (DSP) slots on motherboard

2

2

Network-module slots

0

0

Service-module slots

0

0

Multigigabit fabric

Yes

No

Integrated encryption

Yes

Yes

Optional Cisco Inline Power (PoE)

Yes

Yes

Inline Yes

No

No

No

Optional
Cisco
Power(ePoE)

Enhanced

Redundant power supply

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