| IPSec Passthrough
Internet Protocol Security (IPSec) is a
suite of protocols used to implement secure exchange of
packets at the IP layer. IPSec Passthrough is enabled by
default. To disable IPSec Passthrough, select Disabled.
PPPoE Passthrough
To allow the PPPoE to be tunneled through
an IP network. PPPoE Passthrough is enabled by default. To
disable PPPoE Passthrough, select Disabled.
PPTP Passthrough
Point-to-Point Tunneling Protocol (PPTP)
allows the Point-to-Point Protocol (PPP) to be tunneled
through an IP network. PPTP Passthrough is enabled by default.
To disable PPTP Passthrough, select Disabled.
L2TP Passthrough
Layer 2 Tunneling Protocol is the method
used to enable Point-to-Point sessions via the Internet on the
Layer 2 level. L2TP Passthrough is enabled by default. To
disable L2TP Passthrough, select Disabled.
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