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In this section:
Use the GW Sig Port window to configure a signaling port for gateway-to-gateway (GW to GW) call signaling. The gateway-to-gateway signaling is a protocol that transports call signaling messages between SBC (and GSX) instances over a TCP connection and requires that an external PSX is part of the network. The SBC supports gateway-to-gateway signaling on all platforms, including virtualized SBC SWe deployments.
The parameters to define the GW signaling port differ based on your type of the SBC platform. For cloud-based deployments of SBC SWe (I-SBC or D-SBC), the parameters include IP Var so that the IP address for the port can be specified using a metavariable rather than a static IP address. For other SBC platforms, use the IP Address V4 or V6 parameter to enter a specific IP address.
The SBC supports a single GW signaling port at a time. The GW signaling port must be defined within the default address context and the defaultSigZone zone, and it must be assigned an index value of 1.
Each signaling port within an Address Context must use a unique IP address and port number combination.
The SBC 5210 and SBC 7000 systems support creating IP Interface Groups containing sets of IP interfaces that are not "processor friendly" (i.e. carried on physical Ethernet ports served by separate processors). However, restrictions exist regarding the usage of such Interface Groups.
(This ability does not apply to the SBC 5110 and 5400 systems which have only two physical media ports. IP interfaces from the two physical ports may be configured within the same IP Interface Groups without restrictions.)
For complete details, refer to Configuring IP Interface Groups and Interfaces.
On the SBC main screen, go to Configuration > System Provisioning > Category: Base Provisioning > Signaling Ports > GW Sig Port.
The GW Sig Port window is displayed. The following figure shows the window for an I-SBC or D-SBC (cloud) deployment that includes the IP Var parameter.
Signaling Ports - Gw Sig Port with IP Address
The following figure shows the window for non-cloud deployment that includes the IP Address V4 or V6 parameter.
Signaling Ports - Gw Sig Port with IP Address
To create a new GW Sig Port,
The Create New Gw Sig Port window is displayed. The following example shows the parameters for an I-SBC or D-SBC deployment.
Gw Sig Port Create Window
The following fields are displayed:
Gw Sig Port Parameters
Parameter | Description |
---|---|
| Set the index for gateway signaling port to 1. |
| Specify the name of the IP interface group used by this signaling port. |
| Specify the IP address for the gateway signaling listening port in IPV4 or IPV6 format. This is a required parameter visible on hardware systems and SBC SWe systems that do not use metavariables. Note: For cloud-based I-SBC, D-SBC SBC SWe deployments, this parameter is not visible. |
| The logical port number of the TCP port to use for this connection. Must be 1-65535, default is 2569. |
| The main role of the signaling port: |
| The operational state of the Gateway signaling service: |
| The administrative state of this gateway signaling port: |
IP Var | Specify the metavariable to use to assign an IP address to the gateway signaling port in an I-SBC or D-SBC deployment. . Note: This parameter is visible for only I-SBC and D-SBC deployments in the SBC SWe. |
To edit any of the Gw Sig Ports in the list, click the radio button next to the specific Gw Sig Port name.
Change the variable value and click Save.
To delete a GW Sig Port,