User Manual

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PMP 450 Planning Guide Glossary
VIII
pmp-0047 (December 2012)
Term Definition
NMS Network Management Station. A monitor device that uses Simple Network
Management Protocol (SNMP) to control, gather, and report information about
predefined network variables (objects). See also Simple Network Management
Protocol.
Object Network variable that is defined in the Management Information Base.
outdiscards count
Field
How many outbound packets were discarded without errors that would have prevented
their transmission. (Some of these packets may have been discarded to increase buffer
space.)
outerrrors count
Field
How many outbound packets contained errors that prevented their transmission.
outnucastpkts count
Field
How many packets for which the higher-level protocols requested transmission to a
non-unicast (subnetwork-broadcast or subnetwork-multicast) address. The number
includes those that were discarded or not sent.
outoctets count
Field
How many octets were transmitted out of the interface, including those that deliver
framing information.
outucastpkts count
Field
How many packets for which the higher-level protocols requested transmission to a
subnetwork-unicast address. The number includes those that were discarded or not sent.
Override Plug Device that enables the operator to regain control of a module that has been locked by
the No Remote Access feature, the 802.3 Link Disable feature, or a password or IP
address that cannot be recalled. This device can be either fabricated on site or ordered.
PMP See Point-to-Multipoint Protocol.
Point-to-Multipoint
Protocol
Defined in RFC 2178, which specifies that data that originates from a central network
element can be received by all other network elements, but data that originates from a
non-central network element can be received by only the central network element. See
http://www.faqs.org/rfcs/rfc2178.html
. Also referenced as PMP.
PPPoE Point to Point Protocol over Ethernet. Supported on SMs for
operators who use PPPoE in other parts of their network
operators who want to deploy PPPoE to realize per-subscriber authentication, metrics,
and usage control.
PPTP Point to Point Tunneling Protocol. One of several virtual private network
implementations. Regardless of whether the Network Address Translation (NAT)
feature enabled, Subscriber Modules support VPNs that are based on this protocol.
Protective Earth Connection to earth (which has a charge of 0 volts). Also known as ground.
Proxy Server Network computer that isolates another from the Internet. The proxy server
communicates for the other computer, and sends replies to only the appropriate
computer, which has an IP address that is not unique or not registered.
PTMP See Point-to-Multipoint Protocol.