Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Uživatelský manuál stáhnout pdf (Strana 75)

Configuring the Remote Access Concentrator

303509-A Rev 00 4-7

During the initial boot of the operational code, the ROM monitor requires the

address of a gateway if the specified load host is on another network or has a

different subnet address. In this case, enter the gateway’s address using the ROM

Monitor

addr

command. The RAC automatically adds this gateway to its routing

table.

Configuring Active RIP

The following section assumes that you have read the sections on active and

passive RIP in Managing Remote Access Concentrators Using Command Line

Interfaces. Active RIP is enabled by default. Once active RIP is enabled, both

passive and active RIP are running on all operational interfaces.

Defining Routes

Once you enable active RIP, you do not need to define the default and static routes

in most configurations. The network nodes learn about the routes to each other

and to other networks through RIP updates they exchange, provided that all of the

following conditions are met:

• For subnetted networks, the

rip_sub_advertise

parameter on the RAC is set to

(the default).

• You have configured subnet masks correctly.

• The gateway is configured to handle the same type of RIP updates.

Although the routes required for passive RIP need not be defined after you enable

active RIP, you may want to define a default route and one or more static routes

for other purposes. For example, a default route can act as a bottleneck through

which all traffic to and from a network must pass. You can also use static routes to

reach routers that are not running active RIP.

To define default and static routes that remain after the RAC reboots, enter them in

the config.annex file. You can define routes anywhere in the configuration file, but

routes not defined in an “annex...end” or “subnet...end” block are discarded and

not cached if their interfaces are not operational when the RAC is booted.

Typically, the Ethernet interface is operational immediately, but SLIP and PPP

interfaces may take longer to come up.

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Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Uživatelský manuál Strana 75