Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010, Configuration Manual

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closed—Interface or protocol is administratively disabled
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Operational status (Interface)—Indicates the operational state of the PPP
interface
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up—Interface is operational
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down—Interface is not operational because of a problem in the PPP
layer
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lowerDown—Interface is not operational because a lower layer in the
protocol stack is down
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notPresent—Interface is not operational because the hardware is
unavailable
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passive—Interface is waiting for the peer to send an LCP confReq
message
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tunnel—Interface is being redirected through a tunnel
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Operational status (Ip, Ipv6, Osi. Mpls)—Indicates the operational state of
the IPCP, IPv6CP, OSINLCP, or MPLS protocol
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up—Protocol is operational
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down—Protocol is not operational because of a problem in the PPP layer
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notPresent—Protocol is not operational because it does not exist
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noResources—Protocol is not operational because it does not exist due
to a lack of resources
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PPP Multilink Status—Multilinked PPP interfaces
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Example
host1# show ppp interface summary
PPP Status
Configuration status configured notConfigured
Interface 4000 n/a
Ip 4000 0
Ipv6 0 4000
Osi 0 4000
Mpls 0 4000
Administrative status open closed
Interface 4000 0
Ip 4000 0
Ipv6 4000 0
Osi 4000 0
Mpls 4000 0
Operational status up down notPresent noResources
Interface 4000 0 0 n/a
Ip 4000 0 0 0
Ipv6 0 0 4000 0
Osi 0 0 4000 0
Mpls 0 0 4000 0
Operational status lowerDown passive tunnel
Interface 0 0 0
Monitoring PPP Interfaces
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Chapter 8: Configuring Point-to-Point Protocol