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FTOS Configuration Guide for the C-Series - Force10 Networks

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Port-based QoS <strong>Configuration</strong>s<br />

You can configure <strong>the</strong> following QoS features on an interface:<br />

• Set dot1p Priorities <strong>for</strong> Incoming Traffic on page 562<br />

• Configure Port-based Rate Policing on page 563<br />

• Configure Port-based Rate Limiting on page 564<br />

• Configure Port-based Rate Shaping on page 564<br />

• Storm Control on page 581<br />

Set dot1p Priorities <strong>for</strong> Incoming Traffic<br />

Change <strong>the</strong> priority of incoming traffic on <strong>the</strong> interface using <strong>the</strong> command dot1p-priority from<br />

INTERFACE mode, as shown in Figure 394. <strong>FTOS</strong> places traffic marked with a priority in a queue based<br />

on Table 52. If you set a dot1p priority <strong>for</strong> a port-channel, all port-channel members are configured with<br />

<strong>the</strong> same value. You cannot assign a dot1p value to an individual interfaces in a port-channel.<br />

<strong>FTOS</strong> Behavior: The C-<strong>Series</strong> and S-<strong>Series</strong> distribute eight dot1p priorities across four data queues.<br />

This is different from <strong>the</strong> E-<strong>Series</strong>, which distributes eight dot1p priorities across eight queues<br />

(Table 52).<br />

Table 52 dot1p-priority values and queue numbers<br />

dot1p<br />

E-<strong>Series</strong><br />

Queue<br />

Number<br />

Figure 394 Configuring dot1p Priority on an Interface<br />

<strong>Force10</strong>#config<br />

<strong>Force10</strong>(conf)#interface gigabite<strong>the</strong>rnet 1/0<br />

<strong>Force10</strong>(conf-if)#switchport<br />

<strong>Force10</strong>(conf-if)#dot1p-priority 1<br />

<strong>Force10</strong>(conf-if)#end<br />

<strong>Force10</strong>#<br />

C-<strong>Series</strong><br />

Queue<br />

Number<br />

S-<strong>Series</strong><br />

Queue<br />

Number<br />

0 2 1 1<br />

1 0 1 1<br />

2 1 0 0<br />

3 3 0 0<br />

4 4 2 2<br />

5 5 2 2<br />

6 6 3 3<br />

7 7 3 3<br />

562 Quality of Service

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