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In this section:

This object contains signaling filters for the node.

To View Filter

On the SBC main screen, go to Troubleshooting > Troubleshooting Configuration > Call Trace > Signaling Packet Capture > Filter.

The Filter window is displayed.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter

 

To Edit Filter

To edit any of the Filter in the list, click the radio button next to the specific Filter name.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Highlighted

 

The Edit Selected Filter window is displayed below.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Edit

 

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

To Create Filter

To create a new Filter, click New Filter tab on the Filter List panel.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Fields

 

The Create New Filter window is displayed.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Create Window

 

The following fields are displayed:

Filter

Parameter

Description

Name

Specify the user name of this signaling trace filter.

Peer IP Address

Specify the Peer IP Address for signaling tracing

Peer IP
Address Prefix

Specify the IP subnet prefix of this peer IP address.

Local IP Address

Specify the local IP Address for signaling tracing.

Local Port
Number

Specify the UDP/TCP port number of the call trace signaling filter.


Note

When you enable Signaling Packet Capture without any configuring any signaling filter (the default behavior), the SBC creates a default filter using all the configured signaling IP addresses and ports. The default filter collects only the first fragmented IP packet and ignores the rest. This happens because the UDP/TCP ports are also included in the default filter, but the IP packet fragments except the first fragment does not include the relevant headers. For the same reason, even if you create a filter which includes only the Local Port Number, the fragments except the first one are not captured.

To capture all packet fragments, create a Signaling Packet Capture filter with specific Local IP Address, or Peer IP Address, or both, and then enable Signaling Packet Capture.  


To Copy Filter

To copy any of the created Filter and to make any minor changes, click the radio button next to the specific Filter to highlight the row.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Highlighted

 

Click Copy Filter tab on the Filter List panel.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Fields

 

The Copy Selected Filter window is displayed along with the field details which can be edited.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Copy Window

 

Make the required changes to the required fields and click Save to save the changes. The copied Filter is displayed at the bottom of the original Filter in the Filter List panel.

To Delete Filter

To delete any of the created Filter, click the radio button next to the specific Filter which you want to delete.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Highlighted

 

Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.

Troubleshooting - Call Trace - Signaling Packet Capture - Filter Delete Confirmation

 

Click Yes to remove the specific Filter from the list.


Note

Before making any change to the filter, or before creating a new filter, change the Signaling Packet Capture Timer State flag to "Disable".

Once the filter is changed/created, re-enable the State flag.

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