3com 3031 Instruccion De Instalación

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C
HAPTER
 76: DCC C
ONFIGURATION
Configuring PPP callback in the Resource-Shared DCC implementation
Configure the PPP callback client in the Resource-Shared DCC 
implementation  
As a callback client, a router can originate calls to the remote 
end (which can be a router or Windows NT server having the PPP callback server 
function), and receive the return calls from the remote end.
When Resource-Shared DCC are used to implement PPP callback, the PPP 
authentication configuration at client end is the same as that of Circular DCC, 
except that the client in Resource-Shared DCC implementation must use the dialer 
number command to configure a dial number. Refer to the section “Configuring 
PPP callback in the Circular DCC implementation”. 
Perform the following configuration in dialer interface view.
By default, the system does not enable callback function and is not configured 
with any Windows NT server callback dial number.
Configure the PPP callback server in the Resource-Shared DCC 
implementation  
When Resource-Shared DCC are adopted to implement PPP 
callback, the PPP authentication configuration at server end is the same as that of 
Circular DCC, except that the server in the Resource-Shared DCC implementation 
can only originate a return call according to the dial number configured in the 
service-type ppp
 command. Refer to the section “Configuring PPP callback in 
Use the 
local-user callback-number
 command to configure the callback user 
and callback dial number in system view, and perform other configurations in 
dialer interface view.
Table 1127   Implementing PPP callback (client configuration) in Resource-Shared DCC
Operation
Command
Configure the local end to be the PPP 
callback client
ppp callback client
Disable the local end to be the PPP callback 
client
undo ppp callback client
Configure the dialer number for calling a 
remote end
dialer number dial-number
Configure the dial number for a Windows 
NT server to originate return calls to the 
router
ppp callback ntstring dial-number
Delete the dial number that a Windows NT 
server needs for placing return calls to the 
router
undo ppp callback ntstring
Table 1128   Implementing PPP callback (server configuration) in Resource-Shared DCC
Operation
Command
Configure the callback user and 
callback number
local-user username callback-number 
telephone-number
Configure the local end to be the 
PPP callback server
ppp callback server
Disable the local end to be the PPP 
callback server
undo ppp callback server
Configure the PPP callback reference
dialer callback-center dial-number