3com 8807 사용자 가이드
92
C
HAPTER
13: E
THERNET
P
ORT
C
ONFIGURATION
Perform the following configuration in Ethernet port view.
By default, Ethernet port flow control is disabled.
Setting the Interval of
Performing Statistics
on Ports
Performing Statistics
on Ports
Use the following configuration tasks to set the interval of performing statistics on
ports. The switch performs the statistics about the average speed during the
interval.
ports. The switch performs the statistics about the average speed during the
interval.
Perform the following configuration in Ethernet port view to set the interval of
performing statistics on ports.
performing statistics on ports.
Enabling/Disabling
Jumbo Frames’ Passing a
Card
During large throughput data switching, like file transmission, a card may
encounter jumbo frames larger than the standard Ethernet frame length. The
following command can be used to enable jumbo frames to pass a card or disable
them from passing a card.
encounter jumbo frames larger than the standard Ethernet frame length. The
following command can be used to enable jumbo frames to pass a card or disable
them from passing a card.
Perform the following configuration in system view.
By default, jumbo frames are allowed to pass cards.
n
The system supports discrete values of Jumbo frame lengths ranging from 1536 to
10240. However, effective Jumbo frame values fall into several sections: the
10240. However, effective Jumbo frame values fall into several sections: the
Table 73 Enabling/disabling flow control for the Ethernet port
Operation
Command
Enable Ethernet port flow control
flow-control
Disable Ethernet port flow control
undo flow-control
Table 74 Set the interval of performing statistics on ports
Operation
Command
Description
Enter system view
system-view
-
Enter Ethernet port view
Interface interface-type
interface-number
interface-number
Optional;
The interface-type argument
is the Ethernet port type
is the Ethernet port type
Enter PoS port view
Interface interface-type
interface-number
interface-number
Optional;
The interface-type argument
is the PoS port type
is the PoS port type
Set the interval of performing
statistics on ports
statistics on ports
flow-interval interval
Required;
The interval of performing
statistics on ports is 300
seconds by default
statistics on ports is 300
seconds by default
Table 75 Enabling/disabling jumbo frames’ passing a card
Operation
Command
Enable Jumbo frames to pass the card on a
specified slot, and set the maximum length of
Jumbo frames allowed to pass the card
specified slot, and set the maximum length of
Jumbo frames allowed to pass the card
jumboframe enable [ jumboframe-value ]
slot slot-num
slot slot-num
Disable Jumbo frames from passing the card
on a specified slot
on a specified slot
jumboframe disable slot slot-num