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Configuring SNMP & RMON
Rate Limit
LLDP
Loopback Detection
Spanning Tree
PoE
IP-MAC Binding
IP Duplicate
DHCP Filter
ACL Counter
2) Click Apply.
Monitors whether the bandwidth has reached the limit you have set. The trap
can be triggered when the Rate Limit feature is enabled and packets are sent
to the port with a rate higher than what you have set.
Indicates LLDP topology changes. The trap can be triggered when a new
remote device attached to a local port, or a remote device disconnected or
moved from one port to another.
Triggered when the switch detects a loopback with loopback detection
feature, or when a loopback is cleared.
Indicates spanning tree changes. The trap can be triggered in the following
situations: a port changes from non-forwarding state to forwarding state or
the other way round; a port receives a packet with TC flag or a TCN packet.
Only for products that support PoE feature. Allow all PoE-related traps,
including:
Over-max-pwr-budget: Triggered when the total power required by the
connected PDs exceeds the maximum power the PoE switch can supply.
Port-pwr-change: Triggered when a port starts to supply power or stops
supplying power.
Port-pwr-deny: Triggered when the switch powers off PDs on low-priority
PoE ports. When the total power required by the connected PDs exceeds the
system power limit, the switch will power off PDs on low-priority PoE ports to
ensure stable running of the other PDs.
Port-pwr-over-30w: Triggered when the power required by the connected
PD exceeds 30 watts.
Port-pwr-overload: Triggered when the power required by the connected PD
exceeds the maximum power the port can supply.
Port-short-circuit: Triggered when a short circuit is detected on a port.
Thermal-shutdown: Triggered when the PSE chip overheats. The switch will
stop supplying power in this case.
Triggered in the following two situations: the ARP Inspection feature is
enabled and the switch receives an illegal ARP packet; or the IPv4 Source
Guard feature is enabled and the switch receives an illegal IP packet.
Triggered when the switch detects an IP conflict event.
Triggered when the DHCPv4 Filter feature is enabled and the switch receives
DHCP packets from an illegal DHCP server.
Monitors matched ACL information, including the matched ACL ID, rule ID
and the number of the matched packets. With both this trap and the Logging
feature in ACL rule settings enabled, the switch will check the matched ACL
information every five minutes and send SNMP traps if there is any updated
information.
Notification Configurations
Configuration Guide
761
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