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Configuration Guide - Security

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Security, including ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, Port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, separating the management plane from the service plane, security risks.
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(Optional) Setting the MKA Session Timeout Interval

(Optional) Setting the MKA Session Timeout Interval


Before using MACsec to ensure communication security, both ends must negotiate an MKA session, which is a secure channel for communication. After the MKA session is created, the two ends exchange MKA protocol packets to ensure that the session is alive. The MKA protocol defines an MKA session keepalive timer. When receiving MKA protocol packets from the peer, the local switch starts the timer:

  • If the local switch receives MKA protocol packets within the timeout interval, the local switch resets the timer.
  • If the local switch does not receive MKA protocol packets within the timeout interval, the local switch considers the connection insecure. Then the local switch disassociates from the peer and performs MKA session negotiation again.

Set the MKA session timeout interval as you need.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

    An interface can work in Layer 2 or Layer 3 mode.

  3. Run mka timer mka-life life-time

    The MKA session timeout interval is set.

    The default MKA session timeout interval is 6 seconds.

  4. Run commit

    The configuration is committed.

Updated: 2019-04-20

Document ID: EDOC1100074765

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