> # Timers & Policies

> Field | Description
> --- | ---
> R_A_TOV | The Resource_Allocation_Timeout Value used for FxPorts as the timeout value for determining when to reuse an NxPort resource such as a Recovery_Qualifier.
> D_S_TOV | The Distributed_Services_Timeout Value which indicates how long a distributed services requester will wait for a response.
> E_D _TOV | The Error_Detect_Timeout Value used for FxPorts as the timeout value for detecting an error condition.
> F_S_TOV | The Fabric_Stability_Timeout Value used to ensure that fabric stability has been achieved during fabric configuration.
> Network Drop Latency | Network latency of this switch. This is the time interval after which the frames are dropped if they are not delivered in the order they were transmitted. Note that network latency is always greater than switch latency.
> Switch Drop Latency | The switch latency of this switch. This is the time interval after which a switch drops the undelivered frames on a link which went down after delivering some frames to the next hop. This way the undelivered frames can be transmitted on a new link if there is one available.
> InOrderDelivery | The InOrderDelivery guarantee flag of device. If true, then the InOrder Delivery is guaranteed. If false, it is not guaranteed.
> TrunkProtocol | Enables or disables the trunking protocol for the device. The trunking protocol is used for negotiating trunk mode and calculating operational VSANs on an EISL link. It also performs port VSAN consistency checks. On non-trunking ISL links, if the port VSANs are different, the E ports will be isolated. To avoid this isolation, this should be set to disable.

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