Specifications

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Cisco MWR 2941 Mobile Wireless Edge Router Software Configuration Guide, Release 12.2(33)MRB
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Chapter 4 Configuring the Cisco MWR 2941 Router Using the CLI
Configuration Sequence
Step 3 To prioritize an interface when two bridges compete for position as the root bridge, use the spanning
tree port-priority command.
Router(config-if)# spanning-tree port-priority port_priority
Step 4 To calculate the path cost of STP on an interface, use the spanning-tree cost command.
Router(config-if)# spanning-tree cost port_cost
Step 5 For interfaces that connect to end stations, you can use the spanning-tree portfast command to set the
interface to move directly to the spanning-tree forwarding state when linkup occurs.
Router(config-if)# spanning-tree portfast
Step 6 To enable Cisco Discovery Protocol (CDP) on the router, use the cdp enable command.
Router(config-if)# cdp enable
Setting the Speed and Duplex Mode
The Gigabit Ethernet ports of the Cisco MWR 2941 router can run in full or half- duplex mode—100
Mbps or 1000 Mbps (1 Gbps). The Cisco MWR 2941 router has an autonegotiation feature that allows
the router to negotiate the speed and duplex mode with the corresponding interface at the other end of
the connection.
Autonegotiation is the default setting for the speed and transmission mode.
When you configure an interface speed and duplex mode, follow these guidelines:
• If both ends of the line support autonegotiation, we highly recommend the use of default
autonegotiation settings.
• When autonegotiation is turned on for either speed or duplex mode, it autonegotiates both speed and
the duplex mode.
• If one interface supports autonegotiation, and the interface at the other end does not, configure the
duplex mode and speed on both interfaces. If you use the autonegotiation setting on the supported
side, the duplex mode setting is set at half-duplex.
Note In the following procedure, press the Return key after each step unless otherwise noted. At any
time, you can exit the privileged level and return to the user level by entering disable at the
Router# prompt.
To configure speed and duplex operation, follow these steps while in interface configuration mode:
Step 1 Specify the duplex operation.
Router(config-if)# duplex [auto | half | full]
Step 2 Specify the speed.
Router(config-if)# speed [auto | 1000 | 100]