Mac-Address Max-Mac-Count Enable - 3Com 8807 Command Reference Manual

164 C 12: MAC A
HAPTER
n
mac-address
max-mac-count enable
T M C
DDRESS ABLE ANAGEMENT
this port will no longer learn any more MAC addresses; and you can use the undo
mac-address max-mac-count command to remove the limit on the number.
The maximum number of MAC addresses on an I/O Module ranges from 12 K
■
to 16 K depending on various software versions and module types.
The aforementioned number of MAC addresses includes only the MAC
■
addresses learned by the switch dynamically, and excludes those configured by
the user.
When executing the mac-address max-mac-count command, if the current
■
number of MAC addresses exceeds the threshold value, the switch neither
delete the present MAC address entries nor learn new MAC address until the
number of entries less than the threshold value after some entries are aged
out.
Related command: mac-address and mac-address timer.
Example
Set the maximum number of MAC addresses learned by Ethernet port
Ethernet3/1/3 to 600.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] interface Ethernet3/1/3
[3Com-Ethernet3/1/3] mac-address max-mac-count 600
Syntax
mac-address max-mac-count enable { alarm | forward }*
undo mac-address max-mac-count enable { alarm | forward }*
View
Ethernet port view
Parameter
None
Description
Use the mac-address max-mac-count enable { alarm | forward }* command to
enable the switch to send alarms to the network administrator and forward the
packets whose source MAC addresses are not learned by the port when the
number of MAC addresses automatically learned by the port reaches the threshold
value.
Use the undo mac-address max-mac-count enable { alarm | forward }*
command to disable the function.
Use the mac-address max-mac-count enable forward command to enable the
switch to forward the packets whose source MAC addresses are not learned by
the port when the number of MAC addresses automatically learned by the port
reaches the threshold value.
OMMANDS