Motorola manual Cajun P880 Routing Switch Installation Guide

Models: P880

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7.If this is an end-station port, from the Category pull-down menu, select User Port. For trunk ports, select Service Port.

8.From the Speed Mode pull-down menu, select a speed (10 Mb/s or 100 Mb/s) if you want to set the port speed manually. If you set the port to auto-negotiate, this setting is ignored.

9.From the Duplex Mode pull-down menu, select a mode (Half-duplexor Full-duplex) if you want to set the port’s duplex mode manually. If you set the port to auto-negotiate, this setting is ignored.

10.From the Flow Control Mode pull-down menu, select Enable if you want this port to use Flow Control to prevent buffer overflows. Disable this feature only when flow control is causing congestion in other areas of the network.

11.From the Auto Negotiation Mode pull-down menu, select Enable.

*Note: This feature works best when the port or device

on the other end of the connection auto- negotiates as well. If you are having problems with auto-negotiating connections, try setting the modes manually using the command line interface. For example, set port auto 7/3 enable.

12.From the Auto Negotiation Speed Advertisement and Auto Negotiation Duplex Advertisement pull-down menus, set Speed and Duplex Advertisement, respectively. The switch sends these values to the device on the other end of the connection at the start of the auto-negotiating process. In general, the defaults are best, but there may be situations when you want to fix one setting, but allow the other setting to auto- negotiate.

13.From the Rate Limit Mode pull-down menu, select Enable if you want this port to limit the number of unknown unicast and multicast (flooded) packets it tries to forward.

a.From the Rate Limit Rate pull-down menu, select the percentage of a port’s traffic that can be unknown unicast and broadcast packets. Lower this value if the port is having overflow problems.

b.From the Rate Limit Burst Size pull-down menu, select a packet limit for the number of packets allowed in a single burst. Valid values are 1 to 2048. For Fast Ethernet ports, set

Cajun P880 Routing Switch Installation Guide

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Page 47
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Motorola manual Cajun P880 Routing Switch Installation Guide