H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – Port Correlation Configuration
H3C S7500E Series Ethernet Switches Chapter 1 Port Correlation Configuration
1-2
Similarly, if you configure the transmission rate for an Ethernet port by using the speed
command with the auto keyword specified, the transmission rate is determined through
auto-negotiation too.
Follow these steps to perform basic Ethernet port configuration:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Set the description string
description text
Optional
By default, the description
string is “interface index +
Interface”.
Set the duplex mode duplex { auto | full | half }
Optional
auto by default.
Set the transmission rate
speed { 10 | 100 | 1000 |
auto }
Optional
auto by default.
Shut down the Ethernet
port
shutdown
Optional
By default, an Ethernet
port is in up state.
To bring up an Ethernet
port, use the undo
shutdown command.
 Note:
The speed 1000 command is only applicable to GigabitEthernet ports.
1.1.2 Enabling Flow Control on an Ethernet Port
When flow control is enabled on both sides, if traffic congestion occurs on one side, the
side will send a Pause frame notifying the peer side to temporarily suspend the sending
of packets. The peer side is expected to stop sending packets when it receives the
Pause frame. In this way, flow controls helps to avoid the dropping of packets. Note that
flow control can take effect only when it is enabled on both sides.
Follow these steps to enable flow control on an Ethernet port:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—