Cisco Systems 1720 Obtaining Technical Assistance, Reporting Security Problems in Cisco Products

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Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

Emergencies — security-alert@cisco.com

Nonemergencies — psirt@cisco.com

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive information that you send to Cisco. PSIRT can work from encrypted information that is compatible with PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one that has the most recent creation date in this public key server list:

http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on

In an emergency, you can also reach PSIRT by telephone:

1 877 228-7302

1 408 525-6532

10Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, 365 days a year, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting a web or phone request for service. You can access the CPI tool from the Cisco Technical Support Website by clicking the Tools & Resources link under Documentation & Tools. Choose Cisco Product Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

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Contents Cisco 1720 Router Cabling and Installation Cisco One-Year Limited Hardware Warranty Terms Replacement, Repair, or Refund Policy for HardwareOverview Parts ListItems You Need to Provide Install the Router Connect the Router to the Local NetworkInstall the WAN Interface Cards Locating the WAN Interface CardConnecting a PC to the Router Connect a PC to the RouterConnect the Power Supply Connecting the Power SupplyObtaining Documentation Verify Your InstallationFor More Information Cisco.comDocumentation DVD Documentation FeedbackCisco Product Security Overview Ordering DocumentationObtaining Technical Assistance Reporting Security Problems in Cisco ProductsSubmitting a Service Request Cisco Technical Support WebsiteDefinitions of Service Request Severity Obtaining Additional Publications and InformationUSA

1720 specifications

Cisco Systems 1720 is a versatile and reliable router that has been popular in various networking environments since its introduction. Designed primarily for small to medium-sized businesses, the Cisco 1720 is renowned for its compatibility with a range of Cisco's networking technologies, making it an ideal solution for those looking to enhance their network infrastructure.

One of the standout features of the Cisco 1720 is its support for direct internet access, which can be achieved through multiple protocols such as Point-to-Point Protocol (PPP) and High-Level Data Link Control (HDLC). This allows businesses to connect seamlessly to the Internet, ensuring that operations can run smoothly and efficiently. Additionally, the router includes integrated multi-protocol routing capabilities, which support various network protocols such as IP, IPX, and AppleTalk. This multifaceted functionality is crucial for companies that operate heterogeneous networks.

Security is another significant aspect of the Cisco 1720. It comes equipped with built-in firewalls and Access Control Lists (ACLs) to manage and restrict unauthorized access to sensitive network resources. This makes it vital for businesses that prioritize data integrity and security in their operations. Furthermore, the router supports Virtual Private Network (VPN) functionality, enabling organizations to establish secure connections for remote workers or branch offices.

The hardware specifications of the Cisco 1720 further enhance its utility. The router can host various types of network interface cards, giving users the flexibility to customize their networking environment. It also features a modular design allowing for easy upgrades and maintenance, which is crucial for adapting to changing business needs and technologies.

Overall, the Cisco Systems 1720 router combines reliability, security, and adaptability, making it an excellent choice for businesses seeking to build robust and efficient networks. Its ability to implement various routing protocols, enforce security measures, and provide scalable options for expansion serves as a foundation for successful connectivity in small to medium-sized organizational settings. The Cisco 1720’s durability and feature set solidify its place as a valuable asset in network infrastructure solutions.