3Com Router 3031, Command Reference Manual

Page: 86 / 838

86 C
HAPTER
2: S
YSTEM
M
AINTENANCE
& M
ANAGEMENT
C
OMMANDS
3Com Routers support online BootROM upgrade. You can upgrade the BootROM
online by extracting the BootROM program from the upgrade software package
and writing it into the BootROM.
When executing this command, you should make sure that the upgrade software
package (named bootromfull) has existed in the root directory of the flash.
Example
Upgrade the BootROM program of R1760 Router, given that the upgrade
software package has been stored in the root directory of the flash and the file
name is “bootromfull”.
<3Com> upgrade bootrom full
User Interface
Configuration
Commands
acl
Syntax
acl acl-number { inbound | outbound }
undo acl { inbound | outbound }
View
User interface view
Parameter
acl-number: Address access control list number.
inbound: Restricts incoming calls of a user interface.
outbound: Restricts outgoing calls of a user interface.
Description
Using the acl command, you can reference an ACL to restrict the rights of VTY
(Telnet or SSH) and other types of user interfaces in placing incoming and
outgoing calls. Using the undo acl command, you can remove the current settings.
By default, there is no incoming or outgoing call barring.
acl-number can only be the basic ACL.
Example
Remove the restriction on Telnet outgoing calls.
[3Com-ui-vty0] undo acl outbound