3Com Switch 4200G Configuration Guide

70 CHAPTER 14: BASIC PORT CONFIGURATION
■ If you execute the command in Ethernet port view, the command takes effect only
on current port.
Enabling Flow Control
on a Port
After flow control is enabled on both the local and the peer switches, if congestion
occurs on the local switch, the switch will inform its peer to suspend packet sending.
In this way, packet loss is reduced and normal network services are guaranteed.
Configuring Access Port
Attribute
Configuring Hybrid Port
Attribute
Table 48 Set the Ethernet port broadcast suppression ratio
Operation Command Remarks
Enter system view system-view —
Set the global broadcast
suppression ratio
broadcast-suppression { ratio | pps
max-pps }
By default, the ratio is
100%, that is, the system
does not suppress
broadcast traffic globally.
Enter Ethernet port view interface interface-type
interface-number
—
Set the broadcast
suppression ratio on current
port
broadcast-suppression { ratio | pps
max-pps }
By default, the ratio is
100%, that is, the system
does not suppress
broadcast traffic on the
port.
Table 49 Enable flow control on a port
Operation Command Remarks
Enter system view system-view —
Enter Ethernet port view interface interface-type
interface-number
—
Enable flow control on the Ethernet
port
flow-control By default, flow control is
not enabled on the port.
Table 50 Configure access port attribute
Operation Command Remarks
Enter system view system-view —
Enter Ethernet port view interface interface-type
interface-number
—
Configure the link type for
the port as access
port link-type access By default, the link
type for the port is
access.
Add the current access port
into the specified VLAN
port access vlan vlan-id Optional
Table 51 Configure hybrid port attribute
Operation Command Remarks
Enter system view system-view —
Enter Ethernet port view interface interface-type
interface-number
—
Set the link type for the
port as hybrid
port link-type hybrid Required
Set the default VLAN ID for
the hybrid port
port hybrid pvid vlan vlan-id Optional
By default, the VLAN of a
hybrid port is VLAN 1.