Skip to content


by Cisco
Product Line: Cisco Series
Product Type: Global Site Selector
Sold out
Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The GSS-4492R-K9 Cisco features two 10/100/1000 Fast Ethernet Autosensing ports, 2 GB RAM, and an 80 GB Hard Drive, designed for efficient and high-capacity networking. It supports up to 4000 DNS Roles, 256 Active SLBs, and 2000 Virtual IP Addresses, catering to extensive domain and traffic management requirements. With a form factor of 1 RU, operating temperatures ranging from 10 °C to 35 °C, and certified under UL 60950, EN60950, it ensures reliable performance in diverse environments.

FAQs for the GSS-4492R-K9

  • What is the maximum number of Active Server Load Balancers (SLBs) supported by DNS Roles 4000?
    Answer: The DNS Roles 4000 supports up to 256 Active SLBs.
  • How many Fast Ethernet Autosensing ports are available on the DNS Roles 4000?
    Answer: There are two 10/100/1000 Fast Ethernet Autosensing ports.
  • What is the maximum number of hosted domains DNS Roles 4000 can manage?
    Answer: It can manage up to 2000 hosted domains.
  • What type of power supply does the DNS Roles 4000 use?
    Answer: It uses an integrated AC power supply.
  • What are the dimensions of the DNS Roles 4000?
    Answer: The dimensions are 1.57 x 16.9 x 20 inches (H x W x D).
  • How much RAM is available on the DNS Roles 4000?
    Answer: It comes with 2 GB of RAM.
  • What is the maximum operating temperature of the DNS Roles 4000?
    Answer: The maximum operating temperature is 35 °C.
  • How many virtual IP addresses can be configured on the DNS Roles 4000?
    Answer: Up to 2000 virtual IP addresses can be configured.
  • What certifications does the DNS Roles 4000 hold?
    Answer: It holds UL 60950, EN60950 for safety and FCC Part 15 Class A for EMC.
  • What is the maximum storage temperature for the DNS Roles 4000?
    Answer: The maximum storage temperature is 60 °C.

Product Review

The CISCO GSS-4492R-K9 offers notable capacity with support for up to 2000 hosted domains and 1500 name server forwarding requests per second, catering to high-demand environments. However, its hardware, including 2 GB RAM and an 80 GB hard drive, might not meet the needs of future expansions or more intensive applications. Additionally, the device's dual 10/100/1000 Ethernet ports provide essential connectivity but may limit high-speed data throughput in comparison to newer models with 10GbE interfaces.


The CISCO GSS-4492R-K9 is a specialized networking device designed to optimize and manage DNS traffic across large-scale networks. This device offers a comprehensive suite of hardware specifications tailored to meet the needs of businesses requiring high availability, scalability, and reliable DNS services. At the heart of its performance, the GSS-4492R-K9 can handle up to 4000 DNS roles, making it suitable for organizations with extensive DNS requirements. It is capable of processing 1500 name server forwarding requests per second, ensuring efficient DNS query resolutions. The device supports up to 256 active server load balancers (SLBs), allowing for efficient distribution of network traffic across multiple servers. With the capacity to host up to 2000 domains and manage 250 domain lists, the GSS-4492R-K9 is ideal for organizations managing a large number of domains. It supports 2000 virtual IP addresses and 100 name server addresses for name server forwarding, providing flexibility in managing network resources. Additionally, it can accommodate up to 200 CRA devices, further enhancing its capability to handle complex network environments. The device allows for the configuration of up to 500 source IP addresses for DNS rules and can manage 80 source address lists, offering granular control over traffic routing. It also supports up to 500 answer groups and maintains 500 KALs (keepalives) limits, ensuring high availability and reliability of network services. Physically, the GSS-4492R-K9 occupies 1 rack unit (RU), making it compact and efficient in terms of space utilization within data centers. It is equipped with two 10/100/1000 Fast Ethernet autosensing ports for network connectivity. The device includes 2 GB of RAM for smooth operation and an 80 GB hard drive for storage needs. Power is supplied through an integrated AC source, and the device measures 1.57 x 16.9 x 20 inches in dimension and weighs 28 lbs. It operates optimally within a temperature range of 10 °C to 35 °C and can be stored in temperatures ranging from -40 °C to 60 °C. The nonoperational relative humidity it can withstand is up to 80%, ensuring its durability under various storage conditions. The GSS-4492R-K9 adheres to strict safety and electromagnetic compatibility standards, holding certifications such as UL 60950, EN60950 for safety, and FCC Part 15 Class A for EMC, affirming its compliance with industry regulations. Key hardware specifications include:
  • Two 10/100/1000 Fast Ethernet Autosensing Ports
  • 2 GB RAM and an 80 GB Hard Drive
  • 1 RU form factor for efficient space utilization
In summary, the CISCO GSS-4492R-K9 is engineered to meet the demands of large-scale, complex DNS environments. Its extensive capabilities in handling DNS roles, server load balancing, and domain management, combined with its compact physical footprint and compliance with safety and EMC standards, make it a comprehensive solution for businesses looking to optimize their network's DNS infrastructure.


Model Number CISCO GSS-4492R-K9
DNS Function Capacity 4000 Roles
DNS Query Handling 1500 Requests/Sec
Maximum Server Load Balancers 256
Supported Domains 2000
Domain Name Lists Support 250
Allocatable Virtual IPs 2000
Forwarding DNS Server Addresses 100
Content Routing Agents 200
Customizable Source IPs for DNS Policies 500
Source IP Address Collections 80
Response Groupings 500
Keepalive Limit 500
Form Factor 1U Height
Network Interfaces Dual 10/100/1000 Mbps Ethernet Ports
System Memory 2GB RAM
Internal Storage 80GB HDD
Electrical Power Built-in AC Power Supply
Dimensions 1.57 x 16.9 x 20 inches
Device Weight 28 pounds
Operational Temperature Range 10°C to 35°C
Storage Temperature Range -40°C to 60°C
Humidity Tolerance (Non-operating) 80% RH
Regulatory Compliance UL 60950, EN60950; EMC: FCC Part 15 A

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare