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444 CHAPTER 26: LAPB AND X.25 CONFIGURATION COMMANDS
Description Use the x25 cug-service command to enable CUG service and suppression
policies.
Use the
undo x25 cug-service command to disable CUG service.
By default, CUG service is disabled.
After CUG service is enabled, the system suppresses those calls matching the
preset conditions. The details are:
■ If no parameter is configured, allow incoming/outgoing calls without CUG
facilities, and allow incoming/outgoing calls with CUG facilities after deleting
the CUG facilities.
■ If the incoming-access parameter is chosen, the system suppresses incoming
calls. That is, it suppresses the incoming calls that has CUG facilities but has no
CUG mapping rules allowing them to pass, and lets the incoming calls without
CUG facilities pass through.
■ If the outgoing-access parameter is chosen, the system suppresses outgoing
calls. That is, it suppresses the outgoing calls that has CUG facilities but has no
CUG mapping rules allowing them to pass, and lets the outgoing calls without
CUG facilities pass through.
■ If the suppress all parameter is chosen, the system removes CUG facilities for
the incoming calls with CUG facilities and makes call processing. This
parameter is ineffective to outgoing calls.
■ When the suppress preferential parameter is included, if an incoming call
with CUG facilities and the suppression rule is preferential, the system then
removes its CUG facilities and make call processing. If the suppression rule is
not preferential, the system does not remove its CUG facilities but lets it pass
through. This parameter is ineffective to outgoing calls.
Related command: x25 local-cug.
n
The command is used at DCE end. You can use the link-protocol x25 dce
command to set the interface to work in DCE mode.
Example # Enable CUG service with incoming access policy on the interface Serial2/0.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] x25 cug-service incoming-access
x25 default-protocol
Syntax x25 default-protocol protocol-type
undo x25 default-protocol
View Interface view
Parameter protocol-type: Protocol type. IP is available at present.