Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Manual de usuario Pagina 178

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Configuring and Troubleshooting Bay Dial VPN Services
Glossary-2 303509-A Rev 00
decapsulation
Stripping protocol-specific information from a data packet.
Dial VPN
Bay Networks Virtual Dial Private Network Services (Dial VPN) provides
secure dial access services for corporate telecommuters, mobile professionals,
and users in remote branch offices.
DLCI
Data Link Connection Identifier is a number that uniquely identifies a virtual
circuit at each frame relay interface.
DNIS
Domain name information server.
encapsulation
Adding protocol-specific information to a data packet.
erpcd
Bay Networks proprietary Expedited Remote Procedure Call Daemon.
gateway
A device that converts the protocols and conventions of one network to
those of another, for instance, between an IP network and a frame relay
network.
A device that forwards traffic between networks, based on network layer
information and routing tables, now known as a router.
Generic Routing
Encapsulation (GRE)
A method of encapsulating arbitrary network layer protocol information over
another arbitrary network layer protocol. The encapsulation allows the first
network layer protocol data to be tunneled transparently across the second
network layer protocol environment. GRE is documented in RFC 1701 and
RFC 1702.
Grant message
A message that the ACP server sends to the network access server to verify
that the remote user is an authenticated user. The Grant message contains the
following information, which is stored in the TMS database:
Remote node’s domain name
Domain name information server (DNIS)
The home agent’s IP address that resides on the gateway
Maximum number of users
Type of connection between the gateway and the CPE router on the home
network
The primary and secondary RADIUS server’s IP address
Authentication protocol information
The network access server uses this information to contact the RADIUS server
on the home network.
home agent
A process running on the gateway on the Dial VPN network that tunnels
packets to Remote Annex and maintains the current location of a mobile node.
home network
See corporate “home” network.
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