Avaya Configuring VINES Services Manual de usuario descargar pdf (Pagina 36)

Configuring VINES Services

2-4 117372-A Rev. A

For the server and client nodes to communicate, we conﬁgured the routers in this

way:

• Enabled VINES on circuits E1, E2, E3, E4

• Set the ARP Enable parameter to Enable on circuits E3 and E4 so that Router

B can provide address resolution services to the client nodes on these circuits

• Set the Remote Client Privileges parameter to Enable on circuits E1 and E2,

so that the client nodes on circuits E3 and E4 can reach the server via Routers

A and B

As a result, the server and client nodes on this network can communicate, even

though they are separated by more than one hop.

Conﬁguring Routers to Source Route over Token Ring

Networks

The router conﬁgured for VINES services can route over Token Ring networks

that contain one or more source-routing bridges. In a source-routing network,

every endstation that sends out a frame supplies the frame with the necessary

route descriptors so that it can be source routed across the network. Thus, for

VINES routers to route packets across a source-routing network, they must act

like endstations. That is, they must supply route descriptors for each packet before

they send it out onto the network.

With end-node support enabled, whenever a router running VINES receives a

packet and determines that the packet’s next hop is located across a source-routing

network, the router does the following:

• Adds the necessary RIF information to the packet’s MAC header

• Sends the packet out onto the network where it is source routed toward the

next hop

Upon receiving the packet from the Token Ring network, the peer router strips off

the RIF ﬁeld and continues to route the packet toward the destination network

address (F

igure 2-2).

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Avaya Configuring VINES Services Manual de usuario Pagina 36