Arris NVG599 Administrator's Handbook page 145

set link name name ppp protocol-compression [ off | on ]
Specifies whether you want the NVG599 to compress the PPP Protocol field when it transmits datagrams over
the PPP link.
set link name name ppp max-failures integer
Specifies the maximum number of Configure-NAK messages the PPP module can send without having sent a
Configure-ACK message. The integer argument can be any number between 1 and 20.
set link name name ppp max-configures integer
Specifies the maximum number of unacknowledged configuration requests that your NVG599 will send. The
integer argument can be any number between 1 and 20.
set link name name ppp max-terminates integer
Specifies the maximum number of unacknowledged termination requests that your NVG599 will send before
terminating the PPP link. The integer argument can be any number between 1 and 10.
set link name name ppp restart-timer integer
Specifies the number of seconds the NVG599 should wait before retransmitting a configuration or termination
request. The integer argument can be any number between 1 and 30.
set link name name ppp connection-type [ instant-on | always-on ]
Specifies whether a PPP connection is maintained by the NVG599 device when it is unused for extended
periods. If you specify always-on, the NVG599 never shuts down the PPP link. If you specify instant-on, the
NVG599 shuts down the PPP link after the number of seconds specified in the timeout setting (below) if no
traffic is moving over the circuit.
set link name name ppp echo-request [ on | off ]
Specifies whether you want your NVG599 to send LCP echo requests. You should turn off LCP echoing if you do
not want the NVG599 to drop a PPP link to a nonresponsive peer.
set link name name ppp echo-failures integer
Specifies the maximum number of lost echoes the NVG599 should tolerate before bringing down the PPP
connection. The integer argument can be any number from between 1 and 20.
set link name name ppp echo-interval integer
Specifies the number of seconds the NVG599 should wait before sending another echo from an LCP echo
request. The integer argument can be any number from between 5 and 300 (seconds).
set link name name ppp mru integer
Specifies the maximum receive unit (MRU) for the PPP interface. The integer argument can be any number
between 128 and 1492 for PPPoE; 1500 otherwise.
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