ZyXEL P-663HN-51 Manuel d'utilisateur Page 60

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Chapter 5 WAN Setup
P-663HN-51 User’s Guide
60
5.6.1 LLC-based Encapsulation
In this case one VC carries multiple protocols with protocol identifying information
being contained in each packet header. Despite the extra bandwidth and
processing overhead, this method may be advantageous if it is not practical to
have a separate VC for each carried protocol, for example, if charging heavily
depends on the number of simultaneous VCs.
5.6.2 VC-based Encapsulation
In this case, by prior mutual agreement, each protocol is assigned to a specific
virtual circuit; for example, VC1 carries IP, etc. VC-based multiplexing may be
dominant in environments where dynamic creation of large numbers of ATM VCs is
fast and economical.
5.7 WAN Connection Type and Encapsulation
Mode
This is the second WAN setup add (or edit) screen. Use this screen to configure
WAN connection type and encapsulation mode.
Figure 24 Advanced Setup > WAN > Add (2)
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