Cisco Cisco Packet Data Gateway (PDG) Dépliant
IMS Authorization Service Configuration Mode Commands
▀ signaling-flag
▄ Cisco ASR 5x00 Command Line Interface Reference
6230
signaling-flag
This command specifies whether a request for a PDP context dedicated to signaling (for IMS sessions) should be
granted or denied.
granted or denied.
Product
All
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > IMS Authorization Service Configuration
configure > context context_name > ims-auth-service service_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-imsa-service)#
Syntax
signaling-flag { deny | permit }
default signaling-flag
default
Sets the signaling flag to default mode of deny.
deny
Denies the request for a signaling PDP context for IMS session and keeps signaling co-existed with other
traffic on PDP contexts. Default: Enabled
traffic on PDP contexts. Default: Enabled
permit
Permits the request for a signaling PDP context for IMS session and a separate signaling context activated.
Default: Disabled
Default: Disabled
Usage
Use this command to allow or deny the activation of a dedicated PDP context for signaling. The user
equipment (UE) may indicate that the PDP context should be dedicated for IP multimedia (IM) signaling by
setting the IP Multimedia Core Network (IM-CN) signaling flag in the Protocol Configuration Options
(PCO).
The
equipment (UE) may indicate that the PDP context should be dedicated for IP multimedia (IM) signaling by
setting the IP Multimedia Core Network (IM-CN) signaling flag in the Protocol Configuration Options
(PCO).
The
deny
option causes the system to inform the UE that the PDP context will not be dedicated for IM
signaling and signaling will co-exist with other traffic on PDP context.
The
The
permit
option is used to activate the signaling context for signal traffic and the other traffic uses other
PDP context for traffic with the following destinations:
Towards the DHCP and DNS servers for the IMS domain
Towards the P-CSCF(s)
The UE is not trusted to follow these restrictions, and the system monitors and restricts the traffic from the
dedicated PDP context. The
dedicated PDP context. The
signaling-flow class-map
command is used to configure the restrictions.