Table 199: show ppp interface Output Fields (continued)
Level of
OutputField DescriptionField Name
• Negotiated options:
• ACFC—Address and-Control Field Compression. A configuration option that provides a
method to negotiate the compression of the Data Link Layer Address and Control fields.
• Asynchronous map—Asynchronous control character map. A configuration option used
on asynchronous links such as telephone lines to identify control characters that must
be replaced by a two-character sequence to prevent them from being interpreted by
equipment used to establish the link.
• Authentication protocol—Protocol used for authentication. This option provides a method
to negotiate the use of a specific protocol for authentication. It requires a peer to
authenticate itself before allowing network-layer protocol packets to be exchanged. By
default, authentication is not required.
• Authentication algorithm—Type of authentication algorithm. The Message Digest
algorithm (MD5) is the only algorithm supported.
• Endpoint discriminator class—For multilink PPP (MLPPP), a configuration option that
identifies the system transmitting the packet. This option advises a system that the peer
on this link could be the same as the peer on another existing link.
• Magic number—A configuration option that provides a method to detect looped-back
links and other data-link layer anomalies. By default, the magic number is not negotiated.
• MRU—Maximum receive unit. A configuration option that may be sent to inform the peer
that the implementation can receive larger packets, or to request that the peer send
smaller packets. The default value is 1500 octets.
• MRRU—For multilink PPP, the maximum receive reconstructed unit. A configuration
option that specifies the maximum number of octets in the Information fields of
reassembled packets.
• Multilink header suspendable classes—For MLPPP, an LCP option that advises the peer
that the implementation wishes to receive fragments with a format given by the code
number, with the maximum number of suspendable classes given.
• Multilink header format classes—For MLPPP, an LCP option that advises the peer that
the implementation wishes to receive fragments with a format given by the code number.
• PFC—Protocol-Field-Compression. A configuration option that provides a method to
negotiate the compression of the PPP Protocol field.
• short sequence—For MLPPP, an option that advises the peer that the implementation
wishes to receive fragments with short, 12-bit sequence numbers.
2901Copyright © 2017, Juniper Networks, Inc.
Chapter 42: Operational Commands
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