Chapter 42 Configuring PFC QoS

Configuring PFC QoS

IP packets with COS changed by policing: 59998

Non-IP packets with COS changed by policing: 0

Router#

Enabling Ignore Port Trust

In Release 12.2(18)SXF5 and later releases, the ignore port trust feature allows an ingress policy to apply a configured IP precedence or DSCP value to any traffic, rather than only to untrusted traffic.

To enable ignore port trust, perform this task:

 

Command

Purpose

Step 1

 

 

Router(config)# mls qos marking ignore port-trust

Enables ignore port trust globally on the router.

 

 

 

 

Router(config)# no mls qos marking ignore port-trust

Disables ignore port trust globally on the router

 

 

(default).

Step 2

 

 

Router(config)# end

Exits configuration mode.

Step 3

 

 

Router# show mls qos include ignores

Verifies the configuration.

 

 

 

Note For untrusted traffic, when ignore port trust is enabled, PFC QoS does the following:

•For IP traffic, PFC QoS uses the received DSCP value as the initial internal DSCP value.

•For traffic without a recognizable ToS byte, PFC QoS maps the port CoS value to the initial internal DSCP value.

This example shows how to enable ignore port trust and verify the configuration:

Router# configure terminal

Router(config)# mls qos marking ignore port-trust

Router(config)# end

Router# show mls qos include ignores

Policy marking ignores port_trust

Router#

 

 

Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX

 

 

 

 

 

 

OL-4266-08

 

 

42-57

 

 

 

 

 

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Cisco Systems OL-4266-08 Enabling Ignore Port Trust, Enables ignore port trust globally on the router, Default, 42-57
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OL-4266-08 specifications

Cisco Systems OL-4266-08 is a robust and versatile certification that focuses on the essentials of implementing and troubleshooting Cisco collaborations solutions. As enterprises increasingly rely on unified communications, having professionals who are knowledgeable in the latest Cisco technologies becomes a necessity. This certification is part of the Cisco Certified Network Associate (CCNA) program, which serves as a foundational stepping stone for individuals aspiring to build a career in networking and collaboration technologies.

One of the main features of OL-4266-08 is its emphasis on collaboration foundations, which includes an understanding of voice, video, messaging, and conferencing technologies. Professionals who obtain this certification demonstrate proficiency in deploying, configuring, and troubleshooting Cisco collaboration solutions like Cisco Unified Communications Manager and Cisco Webex. This knowledge is critical as businesses seek to enhance communication and productivity through integrated systems.

Technologically, OL-4266-08 covers a wide array of essential concepts, including IP telephony, voicemail, and collaborative tools. Candidates learn about the architecture of unified collaboration systems, involving integration with routing and switching networks. Additionally, it delves into security protocols to ensure secure transmissions of voice and video data, thereby protecting sensitive corporate communication.

In terms of characteristics, OL-4266-08 is designed to be both comprehensive and practical. The certification emphasizes hands-on experience, which is essential for understanding real-world applications of Cisco technologies. The coursework provides extensive exposure to simulations and labs that mimic actual network environments. This hands-on approach enables candidates to troubleshoot issues effectively using Cisco's troubleshooting tools and methodologies.

Moreover, the certification aligns with industry standards, ensuring that individuals gain relevant and in-demand skills. Given the evolving landscape of network technologies, OL-4266-08 prepares individuals for future growth and specialization in various areas, including cloud collaboration and Internet of Things (IoT) communications.

In conclusion, Cisco Systems OL-4266-08 equips networking professionals with the necessary skills to implement and support Cisco collaboration solutions. The focus on hands-on experience, along with in-depth coverage of technology and security protocols, makes it a valuable certification in the fast-paced world of network communications. With the rise of remote work and digital collaboration, this certification is pivotal for anyone looking to enhance their career in networking and technology.
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