Billion Electric Company 5100S user manual Encap in the Encapsulation field

(PPPoA and
PPPoE
encapsulation only)
Nailed-Up	Select Nailed-Up Connection when you want your connection up all the time. The
Connection	BIPAC 5100S will try to bring up the connection automatically if it is disconnected.
Connect on	Select Connect on Demand when you don't want the connection up all the time and
Demand	specify an idle time-out in the Max Idle Timeout field.
Max Idle Timeout	Specify an idle time-out in the Max Idle Timeout field when you select Connect on
	Demand. The default setting is 0, which means the Internet session will not timeout.
Subnet Mask	Enter a subnet mask in dotted decimal notation.
(ENET ENCAP	Refer to the Subnetting appendix in the to calculate a subnet mask If you are
encapsulation only)	implementing subnetting.
ENET ENCAP	You must specify a gateway IP address (supplied by your ISP) when you select ENET
Gateway (ENET	ENCAP in the Encapsulation field.
ENCAP
encapsulation only)
TCP MSS Option	This will increase the current MSS limit to the number specified, hence the tweak test
(PPPoA/PPPoE,	will report Max Packet Size as the specified number plus 40*. The catch is that every
Routing mode only)	time your PPPoE disconnects and re-connects it will revert back to MSS limit of 1400
	(Max packet size of 1440) and needs to be entered after PPPoE connects again. This
	function does not work before PPPoE connects.
	*Referring to RFC879, the MSS value = MTU - 40, so by limiting the MSS value,
	you will get limited MTU value.
Back	Click Back to return to the previous screen.
Apply	Click Apply to save the changes.
Cancel	Click Cancel to begin configuring this screen afresh.

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