Configuring Mac Address Learning Options; Configuring Mac Address Flooding Options - Siemens RUGGEDCOM ROS v4.3 User Manual

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Chapter 5
Setup and Configuration
Section 5.4.2

Configuring MAC Address Learning Options

The MAC address learning options control how and when MAC addresses are removed automatically from the
MAC address table. Individual addressees are removed when the aging timer is exceeded. Addresses can also be
removed when a link failure or topology change occurs.
To configure the MAC address learning options, do the following:
1.
Navigate to MAC Address Tables » Configure MAC Address Learning Options . The MAC Address
Learning Options form appears.
3
Figure 115: MAC Address Learning Options Form
1. Aging Time Box    2. Age Upon Link Loss Options    3. Apply Button    4. Reload Button
2.
Configure the following parameter(s) as required:
Parameter
Aging Time
Age Upon Link Loss
Click Apply.
3.
Section 5.4.3

Configuring MAC Address Flooding Options

To configure the MAC address flooding options, do the following:
188
Description
Synopsis:   15 to 800
Default:   300 s
This parameter configures the time that a learned MAC address is
held before being aged out.
Synopsis:   { No, Yes }
Default:   Yes
When set to Yes, all MAC addresses learned on a failed port will be
aged-out immediately upon link failure detection.
When link failure 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.
Note that when a network redundancy protocol, e.g. RSTP/MSTP,
is enabled on the switch, that redundancy protocol may, upon
a link failure, flush MAC addresses learned on the failed port
regardless of the setting of this parameter.
Configuring MAC Address Learning Options
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