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The dialer-list
command is used to configure dial-on-demand calls that will initiate
a connection. The simpler form of the command specifies whether a
whole protocol suite, such as IP or IPX, will be permitted or denied
to trigger a call. The more complex form references an access list,
allowing finer control of the definition of interesting traffic.
The command syntax to
define a DDR dialer list to control dialing by protocol is as
follows:
Router(config)#dialer-list dialer-group-number protocol
protocol-name {permit | deny}
You can also specify an access list for more refined control over the DDR process. Standard or extended
access lists can be used for DDR, and then applied to dialer groups and interfaces. An extended
access list gives you control over the protocol, source address, and destination address in determining interesting packets.
The
access-list
command specifies interesting traffic that initiates a DDR call. The
dialer-list
command is used in conjunction with the access list. This command associates the
access list with the dialer access group:
Router(config)#access-list access-list-number [permit | deny]
{protocol | protocol-keyword}{source source-wildcard |
any}
{destination destination-wildcard | any}
[protocol-specific-options] [log]
Router(config)#dialer-list dialer-group list access-list-number
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