User`s guide

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Cisco Router and Security Device Manager Version 2.2 User’s Guide
OL-4015-08
Chapter 3 Create Connection Wizards
Configure Clock Settings
DLCI
Enter the DLCI in this field. This number must be unique among all DLCIs used
on this interface.
Use IETF Frame Relay Encapsulation
Internet Engineering Task Force (IETF) encapsulation. This option is used with
connecting to non-Cisco routers. Check this box if you are connecting to a
non_Cisco router on this interface.
Configure Clock Settings
The Clock Settings window is available when you are configuring a T1 or E1 link.
The default Frame Relay clock settings are shown in this page. You should not
change them unless you know you have different requirements.
Clock Source
Internal specifies that the clock be generated internally. Line specifies that the
clock source be taken from the network. The clock synchronizes data
transmission. The default is line.
LMI Type Description
ANSI Annex D defined by American National Standards Institute
(ANSI) standard T1.617.
Cisco LMI type defined jointly by Cisco Systems and three other
companies.
ITU-T Q.933 ITU-T Q.933 Annex A.
Autosense The default. This setting allows the router to detect which LMI
type is being used by communicating with the switch and to
then use that type. If autosense fails, the router will use the
Cisco LMI type.