Juniper JUNOSE SOFTWARE 11.0.X - LINK LAYER CONFIGURATION GUIDE 4-1-2010 Configuration Manual page 333

link-status Indicates the overall status of LCP negotiations, including
the following states: initial (idle), starting (ready to negotiate),
authenticate (authenticating), and network (LCP is up)
LCP negotiated options:
max-receive-unit Negotiated maximum receive unit, in octets, for the
local and remote (peer) side of the link
max-receive-reconstructed-unit Negotiated maximum receive
reconstructed unit, in octets, for the local and remote (peer) side of the
link
authentication Negotiated authentication method (none, pap, or chap)
for the local and remote (peer) side of the link
magic-number Negotiated magic number for the local and remote
(peer) side of the link
pfc Negotiated pfc (none or enabled) for the local and remote (peer)
side of the link
acfc Negotiated acfc (none or enabled) for the local and remote (peer)
side of the link
NOTE: The command displays a value of "none" for any negotiated option parameters
if the option was not negotiated.
LCP Endpoint Discriminator options:
local discriminator class Endpoint discriminator type, format, and
address space for the local system
local endpoint discriminator Endpoint discriminator value for the local
system within the specified class
peer discriminator class Endpoint discriminator type, format, and
address space for the remote system
peer endpoint discriminator Endpoint discriminator value for the
remote system within the specified class
LCP protocol statistics:
in-keepalive-requests Number of received keepalive requests (LCP Echo
Request) for the life of the interface (since either system boot or interface
creation, whichever is later)
out-keepalive-requests Number of transmitted keepalive requests for
the life of interface
in-keepalive-replies Number of received keepalive replies for the life
of the interface
Chapter 8: Configuring Multilink PPP
Monitoring MLPPP
303