Chapter 42 Configuring PFC QoS

Configuring PFC QoS

 

Command

Purpose

Step 2

 

 

Router(config)# end

Exits configuration mode.

Step 3

 

 

Router# show mls qos maps

Verifies the configuration.

 

 

 

When configuring a DSCP markdown map, note the following information:

•You can enter the normal-burstkeyword to configure the markdown map used by the exceed-actionpoliced-dscp-transmitkeywords.

•You can enter the max-burstkeyword to configure the markdown map used by the violate-actionpoliced-dscp-transmitkeywords.

Note When you create a policer that does not use the pir keyword, and the maximum_burst_bytes parameter is equal to the normal_burst_bytes parameter (which occurs if you do not enter the maximum_burst_bytes parameter), the exceed-actionpoliced-dscp-transmitkeywords cause PFC QoS to mark traffic down as defined by the policed-dscpmax-burstmarkdown map.

•To avoid out-of-sequence packets, configure the markdown maps so that conforming and nonconforming traffic uses the same queue.

•You can enter up to 8 DSCP values that map to a marked-down DSCP value.

•You can enter multiple commands to map additional DSCP values to a marked-down DSCP value.

•You can enter a separate command for each marked-down DSCP value.

Note Configure marked-down DSCP values that map to CoS values consistent with the markdown penalty.

This example shows how to map DSCP 1 to marked-down DSCP value 0:

Router# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)# mls qos map policed-dscp normal-burst 1 to 0

Router(config)# end

Router#

This example shows how to verify the configuration:

Router#

show

mls qos map

 

 

 

 

 

Normal Burst

Policed-dscp

map:

 

(dscp= d1d2)

d1 : d2 0 1 2 3 4

5

6 7

8

9

-------------------------------------

0

:

00

01

02

03

04

05

06 07

08

09

1

:

10

11

12

13

14

15

16 17

18

19

2

:

20

21

22

23

24

25

26 27

28

29

3

:

30

31

32

33

34

35

36 37

38

39

4

:

40

41

42

43

44

45

46 47

48

49

5

:

50

51

52

53

54

55

56 57

58

59

6

:

60

61

62

63

 

 

 

 

 

 

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

42-88

OL-4266-08

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Cisco Systems OL-4266-08 manual 42-88
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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.

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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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