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MAC-Security Disables Port With One MAC Address Connected

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TitleMAC-Security Disables Port With One MAC Address Connected
Symptoms
  • MAC-security enabled globally
  • MAC-security enabled at interface level
! GLOBAL mac-security commands 
mac-security enable 
mac-security intrusion-detect enable intrusion-timer 14400

! INTERFACE LEVEL mac-security commands 
interface Ethernet ALL 
mac-security port <PORT> enable
  • If any packet comes to the configured port, the port goes down
  • If port is re-enabled, port comes back up
  • Once another packet received, port goes down again
  • If auto-learning configured and port re-enabled then port remains up until max-addr count exceeded
mac-security auto-learning port [port] enable
mac-security auto-learning port [port] max-addrs 4
Environment
  • ERS 3000
  • ERS 4000
  • ERS 5000
  • All supported releases
Cause
Product functioning as designed
Resolution
  1. Configure all mac-security interface configurations first
  2. Enable mac-security globally
Additional notes

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