ZyXEL Communications ALC1024, User Manual

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Web Configurator with EEC 1
Port Setup 18-1
This chapter explains how to configure individual ports on the line card.
18.1 Port Setup Overview
The web configurator allows you to configure settings for the ADSL line.
18.2 LLC Bridge
LLC Bridge is a type of encapsulation where one VC (Virtual Circuit) 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.
18.3 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, VCI 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.
18.4 Flow Control
IEEE802.3 flow control manages the sending of traffic so the sending line card does not transmit more than the
receiving line card can process. This helps prevent traffic from being dropped and having to be resent.
18.5 Default Settings
The default profile always exists and all of the ADSL ports use the default profile settings when the line card is
shipped. The default profile's name is set to
DEFVAL
. The default profile’s maximum downstream rate can only be
obtained when using the G.dmt standard. Configure a profile with a maximum downstream rate of 1536 Kbps or
less for use with G.lite.
18.5.1 Default Profile Settings
The following are the settings of the default profile.
- Name: DEFVAL
- Profile Status: Active
Chapter 18
Port Setup