
Configuring PPP Services
2-12 117360-A Rev. A
PPP Multiline
Bay Networks PPP services include support for the multiline feature, which lets
you configure a single circuit that consists of one or more WAN data paths. A data
path is a logical point-to-point channel that is a permanent (leased) line. Multiline
provides both increased fault tolerance and greater bandwidth between two sites.
See the section “Dif
ferences between Multiline and Multilink” on page 2-18 for a
comparison of these features. For more information about the Bay Networks
multiline feature, see Configuring WAN Line Services or Configuring Ethernet,
FDDI, and Token Ring Services.
PPP Multilink
The multilink feature of PPP provides capabilities beyond those of multiline
circuits. The major characteristics of multilink include the ability to
• Use lines that have different speeds, proportionally distributing traffic over
those lines
• Balance traffic load and maintain packet sequence
• Use switched lines (such as ISDN-B channels) as well as leased lines
• Monitor traffic volume
Configurations with bandwidth-on-demand, which can activate additional lines in
response to increased traffic, can find these features particularly useful.
Note: BayStream software does not support the PPP multilink feature. If you
use BayStream software, ignore this and the following sections relating to
multilink.
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