3Com S7902E Command Reference Manual - page 111
1-28
auto
: Specifies to determine the interface rate through auto-negotiation.
Description
Use the
speed
command to configure Ethernet interface data rate.
Use the
undo speed
command to restore Ethernet interface data rate.
By default, the port speed is in the auto-negotiation mode.
Related commands:
duplex
,
speed auto
.
You are recommended to configure the same port rate and duplex mode on two ports connected to
each other, for example, set the duplex mode of both ports to auto negotiation or full/half duplex, so as
to avoid packet loss.
Examples
# Configure the interface rate as 100 Mbps for interface Ethernet 2/0/1.
[Sysname] interface ethernet 2/0/1
[Sysname-Ethernet2/0/1] speed 100
speed auto
Syntax
speed auto
[
10
|
100
|
1000
] *
undo speed
View
100MB or Gigabit Layer 2 Ethernet interface view
Default Level
2: System level
Parameters
10:
Specifies the interface auto-negotiation rate as 10 Mbps.
100:
Specifies the interface auto-negotiation rate as 100 Mbps.
1000:
Specifies the interface auto-negotiation rate as 1000 Mbps.
Description
Use the
speed auto
command to configure the auto-negotiation rate of the current interface.
Use the
undo speed
command to restore the default.
If you repeatedly use the
speed
command and the
speed auto
command to configure the rate of an
interface, only the latest configuration takes effect. For example, if you configure
speed 100
after