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MAC Address Tables
RS400 209 ROS™ v3.5
Specifies what Class Of Service is assigned to frames carrying this address as source or
destination address
9.2 Configuring MAC Address Learning Options
Figure 144: MAC Address Learning Options Form
Aging Time
Synopsis: 15 to 800
Default: 300 s
This parameter configures the time a learned MAC address is held before being aged out.
Age Upon Link Loss
Synopsis: { No, Yes }
Default: Yes
When link failure (and potentially a topology change) occurs the switch may have some MAC
addresses previously learned on the failed port. As long as those addresses are not aged-out
the switch will still be forwarding traffic to that port, thus preventing that traffic from reaching its
destination via the new network topology. This parameter allows to age-out all MAC addresses
learned on a failed port immediately upon link failure detection.
9.3 Configuring Static MAC Address Table
Static MAC addresses are usually configured when the user wishes to enforce port security (if
supported).
Static MAC addresses are also configured when a device can receive but cannot transmit
frames.
Prioritized MAC addresses are configured when traffic to or from a specific device on a LAN
segment is to be assigned a higher CoS priority than other devices on that LAN segment.