
Customizing WAN Interfaces
115391-A Rev. A 4-7
Setting the Maximum Transmission Unit (MTU)
By default, the MTU on the ATM FRE-2 interface is 4608 octets. You can set the
largest packet size that the BayStream software can transmit on this interface to a
value from 1 through 9188 octets.
Enabling or Disabling Data Path Notify
If the physical interface stops operating (for example, the cable becomes
disconnected from the ATM FRE-2 module), the BayStream software disables the
interface between the driver and the higher-level software (the data path interface)
after a period of time you specify with the Data Path Notify Timeout parameter.
You can disable and reenable Data Path Notify for this interface.
If you select Disable, the BayStream software does not disable the data path
interface when the physical interface stops operating.
If you select Enable, be sure to set an appropriate value for the Data Path Notify
Timeout parameter.
Setting the Data Path Notify Timeout
When the Data Path Notify parameter is enabled, the BayStream software waits a
default value of 3 seconds before disabling the interface. You can set the timeout
period to a value from 0 to 3600 seconds on this interface.
Site Manager: Interface MTU parameter: page A-24
Site Manager: Data Path Enable parameter: page A-24
Site Manager: Data Path Notify Timeout parameter: page A-24
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