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    <title>LPTS on Rory&#39;s Blog</title>
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      <title>LPTS EPFT feature</title>
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      <description>记录一下 LPTS EPFT 这个 feature， LPTS 是用来保护 Cisco XR 设备 CPU 的，防止一些 ARP/DHCP/DNS/ICMP 等攻击流量 punt 到板卡的 CPU，那 LPTS EPFT 这个 feature 使能后会对这些流量进行一些监控， 超过一定速率就会进行一些惩罚。</description>
      
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