C881SRST-K9 (USED)

What is the difference between ISR800 and ISR900?

In the integrated services routers family, both of the Cisco ISR 800 and Cisco ISR 900 are designed for the enterprise small branch offices.
As two series in the same application, which is better?
Cisco 800 integrated services routers were released earlier than the Cisco 900 ISR. It means that 800 ISR is going to be the EOS or EOL series, but we will still like it, because of its good performance after the checking of the market.Please learn more details here .

What are the key features of the C881SRST-K9 router?

The C881SRST-K9 offers secure Internet and WAN connectivity, voice support through FXS/FXO ports, and SRST for voice continuity in case of WAN failure. It supports advanced security features including firewall, VPNs, and intrusion prevention.

How does the C881SRST-K9 ensure cost-effectiveness for small enterprises?

By integrating multiple services (internet, voice, and security) into one device, the C881SRST-K9 minimizes the need for multiple products, reducing both capital and operational expenses.

Can the C881SRST-K9 be used in remote branches?

Yes, with secure VPN support and SRST, it's ideal for providing reliable communications and connectivity for remote sites and teleworkers.

What are the installation requirements for the C881SRST-K9?

The installation requires a standard Ethernet connection for WAN, Analog or RJ-11 connections for voice, and an understanding of network configurations for secure routing and VPN setup.

Does the C881SRST-K9 support any form of redundancy?

Yes, through its Survivable Remote Site Telephony (SRST) feature, it ensures voice services continuity in case of WAN link failure by providing fallback to PSTN.

What are the common troubleshooting steps for connectivity issues on the C881SRST-K9?

Common steps include checking WAN and Ethernet connections, ensuring correct configuration settings, rebooting the router, and verifying firewall and VPN settings.

Are there any alternative products to the C881SRST-K9 for similar applications?

Yes, other models like the Cisco C890 series or the Cisco ISR 4000 series could provide similar functionalities but differ in capacity and additional features.

What types of security features does the C881SRST-K9 support?

It supports robust security features such as stateful firewall, advanced encryption for VPNs, and an intrusion prevention system (IPS) to safeguard against threats.

How often do C881SRST-K9 routers need upgrading?

Firmware and software updates are released periodically for security and performance improvements. Upgrading depends on Cisco's release schedule and the business's policy on updates.

What accessories come with the C881SRST-K9 router?

Typically, it comes with a power supply, console cable, and rack-mounting kit. However, as a used product, the included accessories might vary.

How cost-effective is the C881SRST-K9 (USED)?

The C881SRST-K9 (USED) offers great value for small to medium businesses seeking a reliable and affordable SRST solution.

What are the main features of the C881SRST-K9 (USED)?

The main features include built-in SRST, Ethernet, FXS and FXO ports for robust voice and data communication.

In which application scenarios can the C881SRST-K9 (USED) be used?

Ideal for small business offices, branch offices, and retail locations needing stable voice and data connectivity.

How to install the C881SRST-K9 (USED)?

Installation involves connecting the router to your network and configuring the SRST and other settings via the web interface or CLI.

Does the C881SRST-K9 (USED) require frequent upgrades?

Upgrades may be needed periodically to ensure security and performance; always check Cisco's official support for updates.

Are there any alternative products to the C881SRST-K9 (USED)?

Alternatives include other models in the Cisco 800 ISR series, such as the C891F-K9, depending on specific network needs.

What are common troubleshooting steps for the C881SRST-K9 (USED)?

Ensure proper cabling, verify configuration settings, and check for firmware updates; consult the Cisco support page if needed.

Which accessories are available for the C881SRST-K9 (USED)?

Accessories include additional FXS/FXO interface cards, compatible power supplies, and mounting kits.

How does the C881SRST-K9 (USED) compare to other Cisco 800 ISR routers?

The C881SRST-K9 provides unique SRST capabilities and integrated voice ports, making it specialized for voice resilience.

Can the C881SRST-K9 (USED) be used in a larger network infrastructure?

Yes, it can integrate into larger network structures, especially in environments requiring reliable voice services for remote sites.