User Manual

Chapter 4 - Operation and Administration Using the CLI NPU Configuration
4Motion 148 System Manual
By default, the port speed for the Fast Ethernet interfaces is 100 Mbps, and for
the Gigabit Ethernet interfaces is 1000 Mbps.
4.3.2.1.2.5 Configuring the MTU for physical interfaces
You can configure the MTU for the physical interface. If the port receives packets
that are larger than the configured MTU, packets are dropped.
Run the following command to configure the MTU of the physical interface:
npu(config-if)# mtu <frame-size(1518-9000)>
IMPORTANT
An error may occur if you run this command when:
 The physical interface is enabled.
 Auto-negotiation is enabled.
 The interface does not support the specified speed.
Command
Syntax
npu(config-if)# speed {10 | 100 | 1000}
Privilege
Level
10
Syntax
Description
Parameter Description Presence Default
Value
Possible
Values
{10 | 100 |
1000}
Indicates the speed, in Mbps,
to be configured for this
physical interface.
A value of 1000 is not
applicable for Fast Ethernet
interfaces.
Mandatory N/A
 10
 100
 1000
Command
Modes
Interface configuration mode