AAM1212-51/53 Series User’s Guide
110
Chapter 13 xDSL Port Setup
13.8.2 LLC
LLC
is a type of encapsulation where one VC (Virtual Circuit) carries multiple protocols with
each packet header containing protocol identifying information. 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.
13.8.3 VC Mux
VC Mux
is a type of encapsulation where, by prior mutual agreement, each protocol is
assigned to a specific virtual circuit, for example, VC1 carries IP, VC2 carries IPX, and so on.
VC-based multiplexing may be dominant in environments where dynamic creation of large
numbers of ATM VCs is fast and economical.
13.8.4 Virtual Channel Profile
Virtual channel profiles allow you to configure the virtual channels efficiently. You can
configure all of the virtual channels with the same profile, thus removing the need to configure
the virtual channels one-by-one. You can also change an individual virtual channel by
assigning it a different profile.
The AAM1212 provides two default virtual channel profiles:
DEFVAL
(for LLC
encapsulation) and
DEFVAL_VC
(for VC encapsulation). By default, all virtual channels are
associated to
DEFVAL
.
13.9 VC Setup Screen
Use this screen to view and configure a port’s channel (PVC) settings.
To open this screen, click
Basic Setting
,
xDSL Port Setup
,
VC Setup
.
Содержание AAM1212-51
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Страница 100: ...AAM1212 51 53 Series User s Guide 100 Chapter 12 ENET Port Setup...
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Страница 148: ...AAM1212 51 53 Series User s Guide 148 Chapter 16 VLAN...
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Страница 204: ...AAM1212 51 53 Series User s Guide 204 Chapter 28 PPPoA to PPPoE...
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