DELL S50V User Manual

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802.3ah

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When an error exceeds the low threshold, an event notification is sent to the peer. When an error exceeds 
the high threshold, a pre-defined action is triggered such as disabling the interface.

Remote Failure Indication is the mechanism a system uses to notify its peer of a local critical link event. 
There are three critical events; each has an associated flag which can be set in the OAMPDU when the 
event occurs.

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Link Fault—A fault occurred in the receive direction of the local peer.

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Dying Gasp—An unrecoverable local failure condition occurred. Dying Gasp notification is not 
supported on S-Series.

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Critical Event—An unspecified critical event occurred. Critical Event notification is not supported on 
S-Series.

When a link fault, dying gasp, or critical event occurs, the system sets an associated bit in subsequent 
OAMPDUs until the error is resolved (polling occurs every 100ms), and you can configure the system to 
take an additional action.

Specify the time period for error 
second per time period condition.

ethernet oam link-monitor frame-seconds window 
milliseconds

Range: 100-900, in multiples of 100
Default: 1000 milliseconds

INTERFACE

Disable an interface when the high 
threshold is exceeded for any of the 
monitored error conditions.

Default: Enabled

INTERFACE

Block or disable an interface when a 
particular critical link event occurs.

 {

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 {

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Default: Disabled

INTERFACE