Hitachi GR2000 Series User Manual
Page 320

Hitachi Gigabit Router GR2000 Series Enhanced Version Operations - Device Management Overview
Appendix-8
GR2K-GA-0015
Ver. 07-02
Multipath
A connection method for setting up multiple routes for destination network
addresses.
Multiplex access
A communication configuration in which 1 physical line is multiplexed into multiple
lines by time-division multiplexing.
N
NAPT (Network Address Port Translation)
A function that translates global addresses and port numbers using local network
private addresses and port numbers on the Internet, etc.
NAT (Network Address Translation)
A function that translates global addresses using local network private addresses,
etc., on the Internet, etc.
NDP (Neighbor Discovery Protocol(
A transfer protocol used on IPv6 networks
NIF (Network Interface board)
A component that has interfaces compatible with connected media for physical layer
processing
O
OSPF domain
Independent OSPF networks connected to this device
OSPF multi-backbone
A function for individually exchanging, generating, etc., routes for each connecting
multiple OSPF networks to 1 router in this device
OSPFv3
A route control protocol using on IPv6 networks
OSPF (Open Shortest Path First)
A route control protocol using on IPv4 networks
Object ID
An identifier for specifying MIBs. Ordering and numbering the nodes from the root
makes it possible to uniquely identify MIBs.
Outbound priority control
Controls priority packet overtaking based on outbound priority. Packets
accumulated in lower priority queues are sent after all packets accumulated in
higher outbound priority queues are sent.
P
PHB (Per Hop Behavior)
A priority transmission behavior based on DSCP with interior lead