When the stack link turn to up status,
send a SNMP trap to network manager.

When the stack port connect error,send 
a SNMP trap to network manager.

When the stack port link state is down,send 
a SNMP trap to network manager.

When the stack port link state is up,send 
a SNMP trap to network manager.

When the wrong link in stack port resumed,send 
a SNMP trap to network manager.

When failed to configure the stack port,send 
a SNMP trap to network manager.

When the number of STACK links has reached alarm threshold,send      
a SNMP trap to network manager.

When the number of STACK links is equal or more than alarm threshold,
send a SNMP trap to network manager.

When the stack configuration conflicts, send a SNMP trap to network manager.

When the interface Fabric-Port link is invalidly, send a SNMP trap to network manager.

When the interface Fabric-Port link is resumed, send a SNMP trap to network manager.

When the stack link turn to down status,
send a SNMP trap to network manager.

When the leaf switch is only linked to one spine switch, send a SNMP trap to network manager.

When the single-homed leaf switch leaves the stack system or turns to the dual-homed mode, send a SNMP trap to network manager.

When the number of stack members has reached the upper limit and new members failed to join, send a SNMP trap to network manager.

When a stack member join in,
send a SNMP trap to network manager.

When a stack member leave,
send a SNMP trap to the network manager.

When the stack configuration of the current startup is different from that of next startup, 
send a SNMP trap to the network manager.

When configuration exists on the uplink port of the leaf switch, and this port cannot be used as the fabric port, send a SNMP trap to the network manager.

In the dual-homing network, when two ports of any chip on the dual-chip leaf switch are connected to a spine switch, send a SNMP trap to network manager.

In the dual-homing network, when two ports of any chip on the dual-chip leaf switch are not connected to a spine switch, send a SNMP trap to network manager.

When a leaf member join in,
send a SNMP trap to network manager.

When the stack standby device change,
send a SNMP trap to network manager.

When the number of fabric links has reached alarm threshold,send      
a SNMP trap to network manager.

When the number of fabric links is equal or more than alarm threshold,
send a SNMP trap to network manager.

The number of stack members exceeds the upper limit.

When the stack system's MAC address is not the manufacture MAC address of any member device,
send a SNMP trap to network manager.

When the stack system's MAC address is the manufacture MAC address of a member device,
send a SNMP trap to network manager.

When the fabric link protocol state of the fabric port is down, send an SNMP trap to the network manager.

When the fabric link protocol state of the fabric port is up or the fabric port does not exist, send an SNMP trap to the network manager.

When the fabric link protocol state of the member port is down, send an SNMP trap to the network manager.

When the fabric link protocol state of the member port is up or the fabric member port does not exist, send an SNMP trap to the network manager.

When the number of leaf switches connected to the LPU exceeds the maximum,
send a SNMP trap to network manager.

When the stack main device change,
send a SNMP trap to network manager.

When the number of leaf switches connected to the LPU is recovered to be within the maximum,
send a SNMP trap to network manager.

When the runts-error-down occured, send a SNMP trap to network manager.

When the runts-error-down recovered, send a SNMP trap to network manager.

When the port on the board is configured as fabric member port, send an SNMP trap to the network manager.

When the port on the board is cancel configured as fabric member port or the board is offline, send an SNMP trap to the network manager.

When the rates of member ports in a stack port are different, send an SNMP trap to the network manager.

When the rates of member ports in a stack port are same, send an SNMP trap to the network manager.

When the physical status of the stack member port is up, but the protocol status is down, send an SNMP trap to the network manager.

When the physical status and protocol status of the stack member port is up or down at the same time, or the stack member port is deleted, send an SNMP trap to the network manager.

When the stack VLAN conflict, send a SNMP trap to network manager.

When the stack system restart,
send a SNMP trap to network manager.

When the TOR stack system consisting of more than two devices is a link stack, send a SNMP trap to network manager.

When the TOR stack system consisting of more than two devices is a ring stack, send a SNMP trap to network manager.

When the interface type of member ports in a stack port are different, send an SNMP trap to the network manager.

When the interface type of member ports in a stack port are same, send an SNMP trap to the network manager.

When the stack port has only one available physical forwarding link in the link-topo stack system, send a SNMP trap to network manager.

When the stack port has not only one available physical forwarding link in the link-topo stack system, send a SNMP trap to network manager.

When the out-of-band CSS has only one available sip-port link, send a SNMP trap to network manager.

When the out-of-band CSS has not only one available sip-port link,send a SNMP trap to network manager.

When the crc or link-flap error-down occured,send a SNMP trap to network manager.

When a stack member join in,
send a SNMP trap to network manager.

When the crc or link-flap error-down recovered,send a SNMP trap to network manager.

When failed to set up a stack,send a SNMP trap to network manager.

When a loop occurre in stack member port, send a SNMP trap to network manager.

When the loop recover in stack member port, send a SNMP trap to network manager.

When failed auto change to stack port,send a SNMP trap to network manager.

When the stack port connect error,send 
a SNMP trap to network manager.

When the stack port is resumed from down state,send 
a SNMP trap to network manager.

When a medium was inserted into the SIP port which cannot be used for out-of-band stacking.

When a medium was removed from the SIP port which cannot be used for out-of-band stacking.

When the protocol state of the sip-port is down, send an SNMP trap to the network manager.

When a stack member leave,
send a SNMP trap to the network manager.

When the physical status and protocol status of the sip-port are up or down at the same time, send an SNMP trap to the network manager.

When the subcard mode or subcard type of the stack port is mismatch with old subcard, send an SNMP trap to the network manager.

The subcard type is not support stack function.

The subcard which is not support stack function is support stack function.

The CSS or stack protocol packets are tampered with.

The fault that CSS or stack protocol packets are tampered with has been rectified.

When the main stack device change, the stack system's
MAC address should change also. And we can set the MAC 
address change time. When the MAC address change,send 
a SNMP trap to network manager.

When the stack port connect error,send 
a SNMP trap to network manager.

CSS link down trap message.

CSS port configure failed trap message.

CSS port link flapping repeatedly message.

CSS port continuously receives CRC error packets message.

CSS port turn into error-down state message.

CSS port recovered from error-down state message.

CSS connect error trap message.

The CSS enters the standby-no-MPU state trap message.

The CSS is recovered from the standby-no-MPU state trap message.

CSS port error trap message.

CSS connect error trap message.

CSS link up trap message.

CSS ISSU upgrade complete trap message.

CSS ISSU upgrade failure trap message.

CSS link down resume trap message.

CSS switch over trap message.

CSS connect error trap message.

CSS split trap message.

CSS establish trap message.

CSS fast upgrade fail.

CSS connect error trap message.

The license of controlling Lpu-based CSS function is invalid.