Chapter 42 Configuring PFC QoS

PFC QoS Configuration Guidelines and Restrictions

CIR and PIR Rate Value Range

Granularity

 

 

4194305 to 8388608 (8 Mbs)

131072 (128 Kb)

 

 

8388609 to 16777216 (16 Mbs)

262144 (256 Kb)

 

 

16777217 to 33554432 (32 Mbs)

524288 (512 Kb)

 

 

33554433 to 67108864 (64 Mbs)

1048576 (1 Mb)

 

 

67108865 to 134217728 (128 Mbs)

2097152 (2 Mb)

 

 

134217729 to 268435456 (256 Mbs)

4194304 (4 Mb)

 

 

268435457 to 536870912 (512 Mbs)

8388608 (8 Mb)

 

 

536870913 to 1073741824 (1 Gps)

16777216 (16 Mb)

 

 

1073741825 to 2147483648 (2 Gps)

33554432 (32 Mb)

 

 

2147483649 to 4294967296 (4 Gps)

67108864 (64 Mb)

 

 

4294967296 to 8589934592 (8 Gps)

134217728 (128 Mb)

 

 

8589934592 to 10000000000 (10 Gps)

268435456 (256 Mb)

 

 

Within each range, PFC QoS programs the PFC with rate values that are multiples of the granularity values.

Supported Granularity for CIR and PIR Token Bucket Sizes

PFC QoS has the following hardware granularity for CIR and PIR token bucket (burst) sizes:

CIR and PIR Token Bucket Size Range

Granularity

 

 

1 to 32768 (32 KB)

1024 (1 KB)

 

 

32769 to 65536 (64 KB)

2048 (2 KB)

 

 

65537 to 131072 (128 KB)

4096 (4 KB)

 

 

131073 to 262144 (256 KB)

8196 (8 KB)

 

 

262145 to 524288 (512 KB)

16392 (16 KB)

 

 

524289 to 1048576 (1 MB)

32768 (32 KB)

 

 

1048577 to 2097152 (2 MB)

65536 (64 KB)

 

 

2097153 to 4194304 (4 MB)

131072 (128 KB)

 

 

4194305 to 8388608 (8 MB)

262144 (256 KB)

 

 

8388609 to 16777216 (16 MB)

524288 (512 KB)

 

 

16777217 to 33554432 (32 MB)

1048576 (1 MB)

 

 

Within each range, PFC QoS programs the PFC with token bucket sizes that are multiples of the granularity values.

 

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

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OL-4266-08

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Cisco Systems OL-4266-08 manual Supported Granularity for CIR and PIR Token Bucket Sizes, 42-54
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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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