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Interfaces that are tagged as
passive will not send routing updates. To prevent routing updates
from establishing DDR connections on dialer interfaces that do not
rely on dynamic routing information, configure DDR interfaces with
the
passive-interface
command or use access lists as described
earlier. Using either the
passive-interface
command or an access
list prevents routing updates from triggering a call. However, if
you want routing updates to be passed when the link is active, use
an access list rather than the
passive-interface
command.
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Lab
Activity |
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Given
a Central site Cisco-IOS router with ISDN
BRI capability and a branch office site
Cisco-IOS router with ISDN BRI capability,
configure both routers so that you can place
an ISDN call between your two company sites. |
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