Jumboframe Enable; Loopback-Detection Enable - 3Com 7750 Series Command Reference Manual

3Com Switch 7750 Series
Command Reference Guide — Basic Port Commands

1.1.15 jumboframe enable

Syntax
jumboframe enable [ jumboframe-value ]
undo jumboframe enable
View
Ethernet port view
Parameter
jumboframe-value: Size of the permitted jumbo frame, in the range of 1,536 to 9,216 in
byte.
Description
Use the jumboframe enable command to allow jumbo frames to pass through the
current Ethernet port.
Use the undo jumboframe enable command to inhibit jumbo frames from passing
through the current Ethernet port.
By default, jumbo frames that are larger than 1,518 bytes and smaller than 1,536 bytes
are allowed to pass through the Ethernet port.
Example
# Allow jumbo frames smaller than 1,536 bytes to pass through GigabitEthernet1/0/1.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] interface GigabitEthernet1/0/1
[3Com-GigabitEthernet1/0/1] jumboframe enable

1.1.16 loopback-detection enable

Syntax
loopback-detection enable
undo loopback-detection enable
View
Ethernet port view
Parameter
None
Chapter 1 Port Basic Configuration Commands
1-16