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3Com Switch 7750 Series
Command Reference Guide — Basic Port Commands Chapter 1 Port Basic Configuration Commands
1-20
auto: Identifies the network cable type (crossover or straight through) automatically.
normal: Specifies the network cable to be straight through network cable.
Description
Use the mdi command to set the network types that can be identified by Ethernet ports.
Use the undo mdi command to restore the default network cable type that can be
identified by Ethernet ports.
By default, the port identifies the network type automatically.
Caution:
The Switch 7750 series supports the auto mode only. If another mode is specified, the
system prompts “Operation not supported”.
Example
# Specify Ethernet1/0/1 to identify the network cable type automatically.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] interface Ethernet1/0/1
[3Com-Ethernet1/0/1] mdi auto
1.1.21 multicast-suppression
Syntax
multicast-suppression { ratio | bandwidth { mbps-value | kbps kbps-value } | pps
max-pps }
undo multicast-suppression
View
Ethernet port view
Parameter
ratio: Maximum ratio of received multicast traffic to the total bandwidth on the Ethernet
port. The value ranges from 1 to 100 (in step of 1) and defaults to 100. The smaller the
ratio is, the less multicast traffic is allowed to be received.
mbps-value: Maximum bandwidth (in Mbps) for receiving multicast traffic on an
Ethernet port. The range of the mbps-value argument depends on the port type: