Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010, Руководство по настройке

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When a PPP client exceeds the configured maximum number of renegotation
attempts, the router sends a termination request to end the PPP session. When
the PPP session is terminated and LCP goes into a stopped (closed) state, static
PPP or MLPPP interfaces go into passive mode and wait for the other side of the
connection to start the LCP negotiation process.
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If you do not specify the optional lcp , ipcp , or ipv6cp keyword, the ppp
max-negotiations command sets the maximum number of renegotiation
attempts for each of LCP, IPCP, and IPv6CP to the value you specify, or to the
default value (30) if you omit the optional value for maximum renegotiation
attempts.
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When both IPv4 interface columns and IPv6 interface columns are configured
over a PPP link-layer interface, the router terminates the PPP session only when
the PPP client exceeds the configured maximum number of renegotiation
attempts for both the IPv4 interface and the IPv6 interface.
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Example 1—Sets the maximum number of LCP renegotiation attempts to 5
host1(config-if)# ppp max-negotiations lcp 5
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Example 2—Sets the maximum number of IPCP renegotiation attempts to 30
(the default)
host1(config-if)# ppp max-negotiations ipcp
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Example 3—Sets the maximum number of LCP, IPCP, and IPv6CP renegotiation
attempts to 15
host1(config-if)# ppp max-negotiations 15
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Example 4—Restores the maximum number of LCP, IPCP, and IPv6CP
renegotiation attempts to the default value, 30
host1(config-if)# no ppp max-negotiations
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Use the no version to restore the default value, 30 renegotiation attempts.
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See ppp max-negotiations.
ppp mru
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Use to control the negotiation of the maximum receive unit (MRU).
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Specify the number of bytes, in the range 64–65535.
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We recommend you coordinate this value with the network administrator on
the other end of the line.
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If the value configured for the PPP MRU is greater than the value of the lower-layer
MRU minus the PPP header length, the router logs a warning message and uses
the lesser of the configured MRU value or the lower-layer MRU value minus the
PPP header length to negotiate the local MRU.
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If the value configured for the PPP MRU conflicts with a similar value configured
for another protocol, such as the MTU value for PPPoE, the router uses the lesser
of the two values.
Configuring Static MLPPP
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Chapter 9: Configuring Multilink PPP