VRRP
Router Configuration Guide 385
Host Unreachable Priority Event
The host unreachable priority event creates a continuous ping task that is used to test
connectivity to a remote host. The path to the remote host and the remote host itself must be
capable and configured to accept ICMP echo request and replies for the ping to be successful.
The ping task is controlled by interval and size parameters that define how often the ICMP
request messages are transmitted and the size of each message. A historical missing reply
parameter defines when the ping destination is considered unreachable.
104 Two ports down Event State Set - 5 ports down
Event Threshold 4 ports down
Hold Set Timer 1 second Current threshold is 5, so 2 down has no
effect
105 Two ports down Event State Set - 2 ports down
Event Threshold 2 ports down
Hold Set Timer Expired
200 Four ports down Event State Set - 2 ports down
Event Threshold 4 ports down
Hold Set Timer 5 seconds Set to hold-set parameter
202 Seven ports
down
Event State Set - 7 ports down Changed due to increase
Event Threshold 6 ports down
Hold Set Timer 5 seconds Set to hold-set due to threshold increase
206 All ports up Event State Set - 7 ports down
Event Threshold 6 ports down
Hold Set Timer 1 second
207 All ports up Event State Cleared - All ports up
Event Threshold None Event cleared
Hold Set Timer Expired
Table 32: LAG Events (Continued)
Time LAG Port State Parameter State Comments
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