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4 Configuration DES-1210/ME Series Metro Ethernet Managed Switch User Manual
44
Figure 4.68 – Configuration > BPDU Protection Settings
Trap Status: Specify to send trap packet when Attack Detected, Attack Cleared, None or Both.
Log Status: Specify the Log Status when Attack Detected, Attack Cleared, None or Both.
Recover Time (60-1000000): Specify the BPDU protection Auto-Recovery timer, the range is from 60 to
1000000 and default is 60 seconds. Or select infinite.
Click Apply for changes to take effect.
From Port / To Port: Specify the port ranges to be configured.
State: To enabled or disable the protection mode for a specific port.
Mode: Specify the BPDU protection mode. The default mode is shutdown.
Drop – Drop all received BPDU packets when the port enters under attack stats.
Block – Drop all packets (includes BPDU and normal packets) when the port enters under attack
state.
Shutdown – Shut down the port when the port enters under attack state.
Click Apply for changes to take effect.
Configuration > IGMP Snooping > IGMP Snooping
With Internet Group Management Protocol (IGMP) snooping, the DES-1210-52/ME Metro Ethernet Managed
Switch can make intelligent multicast forwarding decisions by examining the contents of each frame’s Layer
2 MAC header.
IGMP snooping can help reduce cluttered traffic on the LAN. With IGMP snooping enabled globally, the
DES-1210-52/ME Metro Ethernet Managed Switch will forward multicast traffic only to connections that have
group members attached.
The settings of IGMP snooping is set by each VLAN individually.
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