1.创建host group
--以方便添加告警和给host分组
一般先创建一个Group-Net，然后根据地点创建、命名，如Group-Net-BeiJing
2.创建Template
1、创建Discovery rules：
---用到的key和oid：Key，ifDescr；oid，discovery[{#SNMPVALUE},IF-MIB::ifDescr]
1）添加Discovery rules的Item prototypes
常用的Item prototypes：
Operational status of interface {#SNMPVALUE}：key，ifOperStatus[{#SNMPVALUE}] oid，IF-MIB::ifOperStatus.{#SNMPINDEX}
Network-Office-HX_HJswitch-Traffic-Outgoing on interface {#SNMPVALUE}：key，ifOutOctets[{#SNMPVALUE}] oid，IF-MIB::ifOutOctets.{#SNMPINDEX}
Network-Office-HX_HJswitch-Traffic-Incoming on interface {#SNMPVALUE}：key，ifInOctets[{#SNMPVALUE}] oid，IF-MIB::ifInOctets.{#SNMPINDEX}
2）添加Trigger prototypes
常用的Trigger prototypes
Incoming traffic on interface {#SNMPVALUE} is greater than 800Mb, now is {ITEM.VALUE}：
Outgoing traffic on interface {#SNMPVALUE} is greater than 800Mb, now is {ITEM.VALUE}：Expression，{Template-Network-Office-HX_HJswitch:ifOutOctets[{#SNMPVALUE}].avg(#5)}>838860800
Operational status was changed on {HOST.NAME} interface {#SNMPVALUE}：Expression，{Template-Network-Office-HX_HJswitch:ifOperStatus[{#SNMPVALUE}].diff(0)}=1
3）创建Graph prototypes
2、创建Items、Triggers、Graphs
常用的Items：
Network-Office-HX_HJswitch-Temperature：key，ciscoEnvMonTemperatureStatusValue oid，.1.3.6.1.4.1.9.9.13.1.3.1.3.1008
Network-Office-HX_HJswitch-MemoryPoolFree：key，ciscoMemoryPoolFree oid，.1.3.6.1.4.1.9.9.48.1.1.1.6.1
Network-Office-HX_HJswitch-CPU utilization for 5mins：key，cpuUtilization5min oid，.1.3.6.1.4.1.9.2.1.58.0
剩余步骤同上。
3.添加host
4.然后在Monitoring--Graphs里就能看到相关信息
至此交换机监控及告警添加完毕。