22.05.2017 Views

nx.os.and.cisco.nexus.switching.2nd.edition.1587143046

Nexus Switching 2nd Edition

Nexus Switching 2nd Edition

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Network-QoS Policies<br />

The network-q<strong>os</strong> policy defines queuing <strong>and</strong> scheduling acr<strong>os</strong>s the switch. You can select<br />

from four policies, as shown in Example 10-4.<br />

Example 10-4. Nexus 7000 network-q<strong>os</strong> Policies<br />

Click here to view code image<br />

N7K-2# config<br />

Enter configuration comm<strong>and</strong>s, one per line. End with<br />

CNTL/Z.<br />

N7K-2(config)# system q<strong>os</strong><br />

N7K-2(config-sys-q<strong>os</strong>)# service-policy type network-q<strong>os</strong> ?<br />

default-nq-4e-policy Default 4-ethernet policy (4-drop<br />

4-nodrop CoS)<br />

default-nq-6e-policy Default 6-ethernet policy (6-drop<br />

2-nodrop CoS)<br />

default-nq-7e-policy Default 7-ethernet policy (7-drop<br />

1-nodrop CoS)<br />

default-nq-8e-policy Default 8-ethernet policy (8-drop<br />

CoS)<br />

N7K-2(config-sys-q<strong>os</strong>)#<br />

The default network-q<strong>os</strong> policy is the default-nq-8e-policy, which does not specify a nodrop<br />

policy. The other policies enable one, two, or four no-drop policies depending on the<br />

network’s requirements. This configuration is performed in the default or admin VDC on the<br />

Nexus 7000 <strong>and</strong> is systemwide.<br />

Note<br />

A policy with no-drop capabilities can be configured in a chassis with modules that<br />

support no-drop applications. At press time, three modules support the no-drop class.<br />

The F1, F2, <strong>and</strong> F2e modules have hardware support for no-drop classes. All M-<br />

series modules do not.<br />

Verification of the system network-q<strong>os</strong> policy can be performed, as shown in Example 10-5.<br />

Example 10-5. Verification of Systemwide network-q<strong>os</strong> policy<br />

Click here to view code image<br />

N7K-2# show policy-map system type network-q<strong>os</strong><br />

Type network-q<strong>os</strong> policy-maps

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!