3Com Switch 7750 Series
Command Reference Guide – Port Security & Port Binding
Chapter 1 Port Security Commands
1-7
1.1.5 port-security max-mac-count
Syntax
port-security max-mac-count
count-value
undo port-security max-mac-count
View
Ethernet port view
Parameter
count-value
: Maximum number of MAC addresses allowed on the port, in the range of 1
to 16,384.
Description
Use the
port-security max-mac-count
command to set the maximum number of MAC
addresses allowed on the port. The number is the sum of the following:
z
Number of MAC addresses that pass 802.1x authentication
z
Number of MAC addresses that pass MAC address authentication
z
Number of security MAC addresses
Use the
undo port-security max-mac-count
command to cancel this limit.
By default, there is no limit on the number of MAC addresses allowed on the port.
Example
# Enter system view.
<3Com> system-view
System View: return to User View with Ctrl+Z.
# Enable port security.
[3Com] port-security enable
# Enter GigabitEthernet1/0/1 port view.
[3Com] interface GigabitEthernet1/0/1
# Set the maximum number of MAC addresses allowed on the port to 100.
[3Com-GigabitEthernet1/0/1] port-security max-mac-count 100
1.1.6 port-security ntk-mode
Syntax
port-security ntk-mode
{
ntkonly
|
ntk-withbroadcasts
|
ntk-withmulticasts
}
undo port-security ntk-mode
