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Beginner

3850 Switches Default QOS

Hello,

 

I see the 3850 switches all have this class-map and the qos queue-softmax command and was wondering if this is the default for 3850 switches. We are not doing QOS on any of our 3850s but wanted to check if this is needed. Thanks. 

 

qos queue-softmax-multiplier 100

!

class-map match-any non-client-nrt-class
!
policy-map port_child_policy
class non-client-nrt-class
bandwidth remaining ratio 10

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VIP Expert

Hello,

 

neither of these commands are in there by default, so somebody must have manually put them in there. The class-map/policy-map part is identical to an example used in the document below, that is probably where it is derived from. Either way, if you don't need these, you can safely remove them...

 

QoS Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)

 

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/qos/configuration_guide/b_qos_3se_3850_cg/b_qos_3se_3850_cg_chapter_011.html

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VIP Expert

Hello,

 

neither of these commands are in there by default, so somebody must have manually put them in there. The class-map/policy-map part is identical to an example used in the document below, that is probably where it is derived from. Either way, if you don't need these, you can safely remove them...

 

QoS Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)

 

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/qos/configuration_guide/b_qos_3se_3850_cg/b_qos_3se_3850_cg_chapter_011.html

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Thank you Georg for the quick response. I will go ahead and remove them. 

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That is not right, On my 3850 with Fuji 16.9.4 firmware there is this configuration out of the stock on the router!

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