Configuring H.323 Gatekeepers and Proxies

H.323 Gatekeeper Configuration Examples

–Configuring a Co-Edge Proxy with ASR Without Subnetting Example, page 352

–Co-Edge Proxy with Subnetting Example, page 354

–Configuring an Inside-Edge Proxy with ASR Without Subnetting Example, page 356

–Configuring a QoS-Enforced Open Proxy Using RSVP Example, page 357

–Configuring a Closed Co-Edge Proxy with ASR Without Subnetting Example, page 359

•Defining Multiple Zones Example, page 360

•Defining One Zone for Multiple Gateways Example, page 360

•Configuring a Proxy for Inbound Calls Example, page 361

•Configuring a Proxy for Outbound Calls Example, page 361

•Removing a Proxy Example, page 362

•H.235 Security Example, page 362

•GKTMP and RAS Messages Example, page 363

•Prohibiting Proxy Use for Inbound Calls Example, page 363

•Disconnecting a Single Call Associated with an H.323 Gateway Example, page 363

•Disconnecting All Calls Associated with an H.323 Gateway Example, page 363

Configuring a Gatekeeper Example

The following is an annotated example of how to configure a gatekeeper:

hostname gk-eng.xyz.com

!This router serves as the gatekeeper for the engineering community.

!at xyz.com.

ip domain-name xyz.com

!Domain name of this company. interface Ethernet0

ip address 172.21.127.27 255.255.255.0

!This gatekeeper can be found at address 172.21.127.27. gatekeeper

!Enter gatekeeper config mode.

zone local gk-eng.xyz.com xyz.com

!Because a zone is, by definition, the area of control of a gatekeeper,

!we tend to use the terms “zone name” and “gatekeeper name” synonymously.

!Here we use the host name as the name of the gatekeeper and zone.

!This is not necessary, but it does simplify administration.

zone remote gk-mfg.xyz.com xyz.com 172.12.10.14 1719 zone remote gk-corp.xyz.com xyz.com 172.12.32.80 1719

!A couple of other zones within xyz.com. We make lots of calls

!between these departments, so we just configure these so we save

!a little time bypassing DNS lookup to find their gatekeepers. use-proxy gk-eng.xyz.com remote-zone gk-mfg.xyz.com direct use-proxy gk-eng.xyz.com remote-zone gk-corp.xyz.com direct use-proxy gk-eng.xyz.com default proxied

!We have good QoS on our local network, so we don't need proxies when

!calling between the xyz.com zones. But for all other zones, we want

!to use proxies.

zone subnet gk-eng.xyz.com 172.21.127.0/24 enable no zone subnet gk-eng.xyz.com default enable

!We will accept registrations from our local subnet as long as they

!do not specify some other gatekeeper name. We will not accept any

!registrations from any other subnet.

zone bw gk-eng.xyz.com 2000

Cisco IOS Voice, Video, and Fax Configuration Guide

VC-346

Page 57 Page 59
Page 58
Image 58
Cisco Systems VC-289 manual Configuring a Gatekeeper Example, VC-346
Page 57 Page 59

VC-289 specifications

Cisco Systems has long been a leader in networking technology, and among its diverse range of products is the VC-289. Designed specifically for enhanced performance in high-demand environments, the VC-289 serves a critical role in supporting the modern networking infrastructure.

One of the standout features of the VC-289 is its scalability. The device is engineered to easily accommodate expanded workloads, ensuring that organizations can grow without the need for frequent upgrades. This scalability is complemented by Cisco's commitment to backward compatibility, allowing businesses to integrate new systems with existing setups seamlessly.

In terms of performance, the VC-289 boasts impressive processing power. With advanced multi-core architecture, it is capable of handling multiple data streams simultaneously, making it ideal for environments that require consistent data flow, such as cloud computing and IoT applications. The device’s high throughput ensures that users experience minimal latency, facilitating quick data transfers even during peak usage times.

Security is another key characteristic of the VC-289. Cisco has integrated robust security protocols that protect against various cyber threats. Through features such as advanced encryption standards and intrusion prevention systems, organizations can ensure that sensitive data remains secure and is not compromised during transmission.

Another notable technology within the VC-289 is its support for software-defined networking (SDN) capabilities. This allows for more flexible network management, enabling IT teams to adapt the network according to evolving business needs. The ability to programmatically control the network also means that businesses can implement changes more rapidly, reducing downtime and improving overall productivity.

The VC-289 is designed with energy efficiency in mind, featuring power-saving modes that help reduce operational costs. This focus on sustainability not only benefits the environment but also appeals to organizations striving to meet corporate social responsibility objectives.

In conclusion, the Cisco Systems VC-289 stands as an exemplary solution for modern networking challenges. With its scalability, performance capabilities, enhanced security features, SDN support, and energy efficiency, it meets the demands of today's fast-paced and ever-evolving technological landscape. Organizations looking to invest in a robust networking solution would do well to consider the VC-289 as a cornerstone of their infrastructure.
Top Page Image Contents