S5130EI EAA实现主备链路自动切换功能说明

客户需要实现如下需求，咨询设备能否支持：

经确认，可通过EAA功能实现，配置脚本如下：

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nqa entry admin test                                                                                                               

 type icmp-echo                                                                                                                    

  destination ip 192.168.1.100                                                                                                     

  frequency 1000                                                                                                                   

  history-record enable                                                                                                             

  history-record number 10

  probe count 5                                                                                                         

  probe timeout 500                                                                                                                 

  reaction 1 checked-element probe-fail threshold-type consecutive 5 action-type trap-only              //配置icmp-echo类型NQA检测，ping不通时发送snmp trap

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 nqa schedule admin test start-time now lifetime forever    

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snmp-agent                                                                                                                                                                                              

 snmp-agent community write private                                                                                                

 snmp-agent community read public                                                                                                   

 snmp-agent sys-info version all                                                                                                   

 snmp-agent target-host trap address udp-domain 192.168.1.1 params securityname public              //指定trap发送主机

 snmp-agent trap enable

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rtm environment backup 0             //设置环境变量

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rtm cli-policy 1                                                                                                                   

 event snmp oid 1.3.6.1.4.1.25506.8.3.1.13.1.11.5.97.100.109.105.110.4.116.101.115.116.1 monitor-obj get start-op eq start-val 2 restart-op eq restart-val 3 interval 5

//1.3.6.1.4.1.25506.8.3.1.13.1.11.5.97.100.109.105.110.4.116.101.115.116.1，即为hh3cNqaReactCurrentStatus.5.97.100.109.105.110.4.116.101.115.116.1，表示监控hh3cNqaReactCurrentStatus这一OID，后半部分序列代表NQA名称“admin test”

// start-op eq start-val 2 表示触发条件为该节点值为2（overThreshold）

// restart-op eq restart-val 3 表示再次开启触发开关条件为，该节点值为3（belowThreshold）

 action 0 cli tclsh                                                                                                                

 action 1 cli system-view                                                                                                           

 action 2 cli if { $backup==0 } { rtm environment backup 1; int g 1/0/1; shutdown; int g 1/0/2; undo shutdown } else  { rtm environment backup 0; int g 1/0/1; undo shutdown; int g 1/0/2; shutdown }     //通过判断环境变量值，切换1/0/1，1/0/2端口状态                                                                

 user-role network-operator                                                                                                        

 user-role network-admin

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