3Com Switch 7750 Series
Command Reference Guide – Port Security & Port Binding Chapter 1 Port Security Commands
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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