Chapter 7
– Configuration
GE Reason Switches
REASON SWITCHES-TM-EN-3
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9
MAC table Settings
MAC table menu is design to configure the MAC address entry of switch. It allows
configuring aging time of MAC addresses learned, mode of operation and allowed
MAC addresses to ingress at the switch local interface.
MAC Table menu is located at Settings
MAC Table.
Aging Configuration:
This function allows the switch to automatically discard a learned MAC after the
aging time of this entry expires. Possible configurations are as follows.
o
Disable Automatic Aging
: disable automatic aging function.
Checkbox selected means Aging configuration disabled, and
checkbox empty means enabled;
o
Aging Time
: indicates the time that entries will expire. Allowed
values are integer values from 10 to 1,000,000 seconds;
MAC Table Learning:
MAC Table Learning menu allows configuring switch’s behaviour at the MAC learning
process, that is, if switch will use filters configured to limit access to the LAN or not.
Each port can have its MAC learning function selected separately. Possible
configurations are as follows.
o
Auto
: select to allow the learning process to start as soon as frame
is received. If MAC address is not known, port will learn MAC
address source or destination and will insert it at the Address table
entry;
o
Disable
: select to disable the learning process. If MAC address is
not known, port will not learn MAC address source or destination to
insert it at the Address table entry;
o
Secure
: select to allow the learning process to start only if frame
received is from a MAC configured at the Static MAC Table
Configuration. If MAC address is not configured, port will drop the
frame.
If ports are configured as Secure mode, make sure that Management link used to configure and monitor switch is included. If
not, switch’s configuration will be accessible only by serial interface at USB connection (Local interface).
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