步骤3:确认端口的地址学习能力是否被关闭 Ruijie#show mac-address-learning Gi0/1 learning ability: enable 如果是enable则为开启。如果是disable 表示关闭 步骤4:确认是否有配置对应的静态MAC地址或过滤MAC地址。如果是,则不会学习到 步骤5:确认希望学习的MAC地址是否是组播地址,广播地址 可以通过抓包来看,收到的...
When BCM ASIC learns too many mac-addresses in a short duration, BCM_USD can disable/enable MAC learning in hardware and you can see this message that comes up. It could be caused if there are too many mac-moves/flaps/loops or new mac learns/moves exceed a certain threshold. By default...
HVRP/5/MACLEARNENABLE: Enable MAC learning in VLAN. (VLAN=[STRING]) Description MAC address learning is enabled in a VLAN. Parameters Parameter NameParameter Meaning [STRING] Indicates the VLAN ID. Possible Causes MAC address learning is enabled in a VLAN. Procedure This log message is inform...
MAC Address Learning During the MAC address learning stage, the switch begins MAB by opening the port to accept a single packet from which it learns the source MAC address of the endpoint. Packets sent before the port has fallen back to MAB (that is, during the IEEE 802.1X timeout phase...
Port security enables the switch to convert MAC addresses learned by an interface into secure MAC addresses and to stop learning new MAC addresses after the maximum number of learned MAC addresses is reached. In this case, the switch can only communicate with devices with learned MAC addresses. ...
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They take MAC addresses from the Source field in the Ethernet frame. So, a switch learning more than one MAC address means that this port have seen Ethernet frames where Source field didn't always have the same MAC address. That's it. The reason for that may be different. There may be...
If you're a TechSmith Camtasia 9 (Windows) user and you move to theMac, you'll be happy to learn that you can continue to use Camtasia. However, while Camtasia 3 (Mac) is similar to Camtasia 9 (Windows), there are several differences. For instance, there is no Library in theversion...
They take MAC addresses from the Source field in the Ethernet frame. So, a switch learning more than one MAC address means that this port have seen Ethernet frames where Source field didn't always have the same MAC address. That's it. The reason for that may be different. There may be...
HVRP/5/MACLEARNDISABLE: Disable MAC learning in VLAN. (VLAN=[STRING]) Description MAC address learning is disabled in a VLAN. Parameters Parameter NameParameter Meaning [STRING] Indicates the VLAN ID. Possible Causes MAC address learning is disabled in a VLAN. Procedure This log message is in...