Verilink WANsuite 5130 (34-00298.L) Product Manual - Manual (Page 70)

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CHAP Secret Enter the Secret (i.e., password) necessary to challenge the peer.
Values: User established
Default: Secret
Parameters To Negotiate
The table displayed near the bottom of the PPP Service Details screen shows
which parameters are set to be negotiated. You can specify which parameters
should be negotiated by clicking on the pull-down menu next to each
parameter and selecting the desired option. Parameters that can be negotiated
are described below.
PPP Statistics
Clicking the “PPP Statistics” button brings up a table (Figure 3.26) that reports
on traffic.
Parameter Description
Protocol Header
Compression Compresses PPP protocol headers.
Default = Yes
IPCP (IP Control
Protocol)
Compression Compresses TCP headers using Van Jacobsen compression.
Default = Yes
MRU (Maximum
Receive Units) Informs the peer that the implementation can receive larger
packets, or to request that the peer send smaller packets.
Default = Yes
HDLC Address
Compression Provides a method to negotiate the compression of high-level
data link control (HDLC) addresses.
Default = Yes
IP Address Dynamically negotiates for IP addresses; otherwise, it is
assumed both sides know each other’s IP addresses.
Default = Yes
ACCM Negotiates the use of control character transparency on
asynchronous links.
Default = Yes
Magic Number Unique numbers useful for detecting loopbacks.
Default = Yes
PAP (Password
Authentication
Protocol) An authentication scheme used by PPP servers to validate the
identity of the originator of the connection.
Default = No
CHAP (Challenge-
Handshake
Authentication
Protocol) An authentication scheme used by PPP servers to validate the
identity of the originator of the connection upon connection or
any time later.
Default = No