Cisco CISCO3662-AC 6 Slot Networking Router
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CISCO3662-AC Cisco Dual 10/100 3660 6-Slot Modular-AC Router Refurbished

Availability: In Stock
Part Number#: CISCO3662-AC
List Price was: $1180.77
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Short Description:
CISCO3662-AC Dual 10/100 3660 6-Slot Modular-AC 2 Ports Fast Ethernet Router Expansion Slots 10 with IP Software | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Management of Network Bandwidth

There are several ways to manage the network bandwidth of a CISCO3662-AC router. One way is to use Quality of Service (QoS) to prioritize traffic and ensure that mission-critical applications receive the bandwidth they need. QoS can be configured using the router's command-line interface (CLI) or through a graphical user interface (GUI) using Cisco's Network Assistant or other management software. Another way to manage bandwidth is to use access control lists (ACLs) to limit the amount of traffic that can pass through the router. Additionally, you can use the router's traffic shaping and policing features to control the rate at which traffic is sent or received on a specific interface. It's also possible to use IP SLA and Netflow to monitor and analyze the network traffic, this will give you an insight on the current usage and trends, which can help you identify bottlenecks and make informed decisions about how to manage bandwidth.

Advanced Routing Protocols

The Cisco 3662-AC router is a modular router that supports a wide range of advanced routing protocols. These protocols allow the router to dynamically learn about network topology and make routing decisions based on real-time network conditions. Some of the key advanced routing protocols supported by the Cisco 3662-AC router include:

  • Border Gateway Protocol (BGP): BGP is a routing protocol used to exchange routing information between routers in different autonomous systems (AS). It is typically used to connect an enterprise network to one or more service providers.
  • Enhanced Interior Gateway Routing Protocol (EIGRP): EIGRP is a Cisco-proprietary routing protocol that is an enhancement of the Interior Gateway Routing Protocol (IGRP). It is a distance-vector protocol that uses a metric based on bandwidth, delay, reliability, and load to determine the best path to a destination.
  • Open Shortest Path First (OSPF): OSPF is a link-state routing protocol that uses a shortest path first (SPF) algorithm to determine the best path to a destination. It is a classless routing protocol, which means that it supports variable-length subnet masks (VLSMs).
  • Routing Information Protocol (RIP): RIP is a distance-vector routing protocol that uses hop count as its metric. It is a classful routing protocol, which means that it does not support VLSMs.
  • Intermediate System-to-Intermediate System (IS-IS): IS-IS is a link-state routing protocol that is used primarily in service provider networks. It is a classless routing protocol that uses a SPF algorithm to determine the best path to a destination.

Additionally, the Cisco 3662-AC router also supports policy-based routing (PBR), multicast routing protocols such as Protocol Independent Multicast (PIM) and Source-Specific Multicast (SSM), as well as virtual routing and forwarding (VRF) for creating multiple routing tables.

Troubleshooting and Maintenance

Troubleshooting and maintenance of the Cisco 3662-AC router involves several steps and procedures to ensure the proper operation and performance of the router. Some of the key troubleshooting and maintenance tasks for the Cisco 3662-AC router include:

  • Monitoring and analyzing router performance: The router has built-in monitoring and troubleshooting tools such as SNMP, syslog, and Cisco IOS commands that can help you monitor the router's performance and identify potential issues.
  • Updating the router's software: Keeping the router's software up-to-date is important for ensuring the security and stability of the router. It's recommended to check for software updates regularly and install them as needed.
  • Backing up the router's configuration: Backing up the router's configuration is an important step in maintaining the router. This allows you to restore the router's configuration in the event of a problem or failure.
  • Inspecting and maintaining the physical components of the router: The router's physical components, such as the fans, power supply, and network interfaces, should be inspected and maintained regularly to ensure proper operation.
  • Testing and verifying the router's connections: Regularly testing and verifying the router's connections is important to ensure that all connections are working properly and that there are no issues with the cabling or other components.
  • Scheduling regular maintenance: Regular maintenance should be scheduled to ensure the router's performance and availability. This includes tasks such as checking for software updates, backing up the router's configuration, and inspecting the physical components of the router.

General Information

  • Manufacturer Cisco
  • Manufacturer Part Number CISCO3662-AC
  • Product Series 3600
  • Product Model 3662
  • Product Name 3662 Router
  • Product Type Router

Interfaces / Ports

  • Total Number of Ports 2
  • Management Port Yes
  • Number of Network (RJ-45) Ports 2

I/O Expansions

  • Number of Total Expansion Slots 10
  • Expansion Slot Type AIM

Network & Communication

  • Network Technology 10/100Base-TX
  • Ethernet Technology Fast Ethernet


  • Standard Memory 32 MB
  • Maximum Memory 256 MB
  • Memory Technology SDRAM
  • Flash Memory 16 MB
  • Memory Card Supported PC Card

Power Description

  • Input Voltage 110 V AC
  • Input Voltage 220 V AC
  • Power Source Power Supply
  • Redundant Power Supply Yes
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Important notes:

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