3Com Switch 5500 Family
57
Quick Reference Guide
undo snmp-agent
Use the
undo snmp-agent
command to disable all versions of SNMP running on the server.
System view
unicast-suppression
Use
unicast-suppression
to configure the amount of unicast traffic that will be accepted on a port.
Ethernet Port view
update fabric
Use the
update fabric
command to update all the units in the fabric by using the App, BootROM, or Web
file on a unit in the fabric.
User view
user
Use the
user
command to register an FTP user.
FTP Client view
user-interface
Using
user-interface
command, you can enter single user interface view or multiple user interface views
to configure the corresponding user interfaces.
System view
user-name-format
Use the
user-name-format
command to set the username format acceptable to the TACACS server.
HWTACACS view
user privilege level
Use the
user privilege level level
command to configure the command level that a user can access
from the specified user interface.
User Interface view
verbose
Use the
verbose
command to enable verbose.
FTP Client view
virtual-cable-test
Use the
virtual-cable-test
command to start the virtual cable test (VCT) to make the system test the
cable connected to the current electrical Ethernet port and display the test results.
Ethernet Port view
vlan
Use the
vlan
command to enter the VLAN view, and use the related configuration commands.
System view
vlan-assignment-mode
Use the
vlan-assignment-mode
command to configure the VLAN assignment mode.
ISP Domain view
vlan-mapping modulo
Use the
vlan-mapping modulo
command to map VLANs to specific spanning tree instances.
MST Region view
vlan to
Use the
vlan to
command to create multiple VLANs simultaneously.
System view
vlan-vpn enable
Use the
vlan-vpn enable command
to enable the VLAN-VPN function for a port.
Ethernet Port view
vlan-vpn inner-cos-trust
Use the
vlan-vpn inner-cos-trust enable
command to enable the inner VLAN tag priority replication
function.
Ethernet Port view
vlan-vpn tpid
Use the
vlan-vpn tpid
command to set a TPID value for a port. The setting takes effect only when the
VLAN-VPN or VLAN-VPN uplink function is enabled.
Ethernet Port view
vlan-vpn tunnel
Use the
vlan-vpn tunnel
command to enable the BPDU tunnel function.
System view
