Configuring C-Dcc - 3Com MSR 50 Series Configuration Manual

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Configuring C-DCC

resetting the idle-timeout timer if a link is present, or drops it without
originating calls for link setup if no link is present.
For DCC to send packets normally, you must configure a dial access control list
(ACL) and associate it with the concerned dial interface (physical or dialer) by using
the dialer-group command. You may either configure a dial ACL directly using
the dialer-rule command or reference an existing ACL.
Follow these steps to associate a dial ACL with the dial interface:
To do...
Enter system view
Configure a dial ACL for a dialer
access group, specifying the
conditions triggering DCC calls
Enter dial interface (physical or
dialer) view
Associate the dial interface with the
dial ACL by associating the interface
with the corresponding dialer access
group
Make sure that the group-number arguments in the dialer-rule and
dialer-group commands take the same value.
In C-DCC approach, you can configure DCC parameters for a physical interface in
either of the following two ways:
Directly configure DCC parameters on the physical interface. This is applicable
■
only to one-to-one calls or one-to-many calls.
Bind the interface to a dialer interface by assigning it to the dialer circular
■
group associated with the dialer interface. Thus, the interface can inherit the
DCC parameters configured on the dialer interface. This is applicable to
many-to-one and many-to-many calls in addition to one-to-many and
one-to-one calls.
A dialer circular group associates a dialer interface with a group of physical
interfaces. All physical interfaces in the group inherit the DCC configurations on
the dialer interface. If the dialer interface is associated with multiple destinations,
any physical interface in the group can call any of these destinations.
Depending on your network topology and dial needs, for example, to allow one or
multiple interfaces to both place and receive calls, you may use any combinations
of the following C-DCC configuration approaches:
"Configuring an interface to place calls to a remote end" on page 160
■
"Configuring an interface to receive calls from a remote end" on page 161
■
"Configuring an interface to place calls to multiple remote ends" on page 162
■
"Configuring an interface to receive calls from multiple remote ends" on page
■
163
Use the command...
system-view
dialer-rule group-number
{ protocol-name { deny | permit } |
acl { acl-number | name acl-name } }
interface interface-type
interface-number
dialer-group group-number
DCC Configuration 159
Remarks
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Required
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Required