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Appendix C
Commands in This Study Guide
Command
Description
Chapter
isdn switch-type
Sets the type of ISDN switch that the router
will communicate with; can be set at
interface level or global configuration mode
10
K
Used at the startup of the 1900 switch and
puts the switch into CLI mode
App. B
line
Puts you in configuration mode to change
or set your user mode passwords
4
line aux
Puts you in the auxiliary interface
configuration mode
4
line console 0
Puts you in console configuration mode
4
line vty
Puts you in VTY (Telnet) interface
configuration mode
4
logging synchronous
Stops console messages from overwriting
your command-line input
4
logout
Logs you out of your console session
4
mac-address-table
permanent
Makes a permanent MAC address entry in
the filter database
App. B
mac-address-table
restricted static
Sets a restricted address in the MAC filter
database to allow only the configured
interfaces to communicate with the
restricted address
App. B
media-type
Sets the hardware media type on an
interface
4
network
Tells the routing protocol what network to
advertise
5
no cdp enable
Turns off CDP on an individual interface
7
no cdp run
Turns off CDP completely on a router
7
no inverse-arp
Turns off the dynamic IARP used with
Frame Relay; static mappings must be
configured
10
no ip domain-lookup
Turns off DNS lookup
7
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