Lifetime Warranty
Manufacturer: Cisco
Product ID: CISCO837-SDM-K9
Product Description: Cisco 837 ADSL Router with SDM
Shipping: Typically ships within 2-3 days
Warranty: Lifetime Warranty
Any Questions?
1-800-TO-MULTI or Email
Pre-owned, used and refurbished Cisco CISCO837-SDM-K9

Looking for a used CISCO837-SDM-K9 from Cisco? This popular router model is no longer manufactured by Cisco but we continue to carry used and refurbished CISCO837-SDM-K9 routers for customers that are not ready to upgrade to the 870 series. Not sure if you should upgrade? Call us! We’re happy to explain the various features of the CISCO837-SDM-K9 as well as routers in the 870 series and compare benefits for you.

Buy quality Cisco router equipment for less, including the CISCO837-SDM-K9. MULTI-LINK (MLCP) carries an impressive inventory of new, refurbished and used Cisco router equipment across all product series, allowing us to assist you with everything from SOHO to core router requirements.

Quick order turn-around is important to us, and our extensive CISCO837-SDM-K9 inventory often allows us to ship "same day" or within just 1-2 business days. What's even better? As an independent supplier, we carry more equipment options than are available through distribution, including new, used and refurbished CISCO837-SDM-K9. Some of our pre-owned equipment may still be in new condition, still sealed in original factory packaging (but at a fraction of the cost).

MLCP is committed to quality, and we guarantee any refurbished Cisco CISCO837-SDM-K9 purchase with our standard lifetime warranty. All used CISCO837-SDM-K9 equipment is tested to factory specifications and professionally packaged to ensure its safe arrival. As an experienced supplier of pre-owned network hardware, we know we have to be better than the manufacturer, and that fundamental principle guides us every day.

Have you upgraded recently? Will your new CISCO837-SDM-K9 replace something you no longer need? We may be interested in your surplus equipment and encourage you to take advantage of our flexible "buy-back" options, including an up-front purchase option and generous trade-ins for credit for your surplus.

For a quote today, simply click onto the "Request a Quote" button on the right, or call 1-800-TO MULTI (866-8584) for assistance. Thank you!

You might also be interested in CISCO881GW-GN-E-K9.

General Information
Manufacturer: Cisco
Product ID: CISCO837-SDM-K9
Product Description: Cisco 837 ADSL Router with SDM
Product Type: Router
Marketing Information

The Cisco 837 Secure broadband router is ideal for providing secure Internet and corporate network connectivity to small remote offices and to teleworkers. Cisco 837 router provide a wide range of integrated security services and advanced quality of service (QoS) features for high-quality data, voice, and video applications. They offer easy deployment and remote management features with Cisco IOS Software.

Total Number of Ports: 5
Management Port: Yes
Number of Network (RJ-45) Ports: 4
Media & Performance
Carrier Supported: DSL
Broadband Transmission Technology: ADSL
Network & Communication
Network Technology: 10/100Base-TX
Ethernet Technology: Fast Ethernet
Management & Protocols
Security Features:
  • Cisco IDS
  • Lock & Key Security
  • Internet Key Exchange (IKE)
  • Port Address Translation (PAT)
  • Router and Route Authentication
  • PKI Support with Digital Certificates
  • Standard-Based Encryption (STAC)
  • NAT Many-to-One (PAT)
  • NAT Many-to-Many (multi-NAT)
  • H.323 Support with NAT
  • SIP support with NAT
  • IPSec Hardware Accelerator
  • Data Encryption Standard (DES)
  • Triple DES (3DES)
  • SSH v 2.0
  • IPSec VPN standards for up to ten simultaneous tunnels

Stateful-Inspection Firewall:

  • Dynamic access control
  • Context-based access control
  • Protects against Denial-of-service (DoS) attacks
  • Protects against unidentified, malicious Java applets
  • Checks packet headers and drops suspicious packets
  • Details transactions for reporting on a per-application, per-feature basis
Standard Memory: 64 MB
Maximum Memory: 80 MB
Memory Technology: DRAM
Flash Memory: 12 MB
Physical Characteristics
Form Factor: Desktop
  Wall Mountable
Height: 2"
Width: 9.7"
Depth: 8.5"
Weight (Approximate): 1.48 lb
Additional Information:
  • One of the switch ports could be convertsed in to a DMZ port
  • Console port can be configured to behave as an auxiliary port
  • Plug-and-Play Installation with Default Settings and Web-Based Setup Tool
  • IP Policy Routing
  • Power supply rating: 15
  • Ten Virtual Circuits/Permanent Virtual Circuits (PVCs)
  • TX Ring Adjustment
  • Dial Backup with External Modem Through Virtual AUX Port
  • NetMeeting V.2.10/1 and 3.01 support

Quality of Service (QoS):

  • IP QoS-Low Latency Queuing (LLQ)
  • Per-VC Queuing and per-VC Traffic Shaping

Asynchronous Transfer Mode (ATM) QoS:

  • ATM Traffic Universal Bit Rate (UBR)
  • Variable Bit Rate non real time (VBRnrt)
  • Variable Bit Rate real time (VBRrt)
  • Constant Bit Rate (CBR) with per-VC Queuing and Traffic Shaping

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