# PCAP Data

DeNovoLab Class 4 fusion automatically captures all PCAP and keeps it in hard disk for 7 days.  You can configure the pcap capture behavior of switch by modifying the \[capture] section of dnl\_softswitch.conf.  By default it has the following setting:

```
[capture]
#enable_capture = yes
#enable_compress = yes
pcap_save_day = 7
#Query duration, in hour, default is 24Hours
#pcap_query_duration = 24
#pcap_dir =
```

Here are the meaning of each fields and you can modify them based on your needs according:

| Field Name             | Description                                                                                                                                                                                                                                                                                               |
| ---------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| enable\_capture        | Enable switch to capture PCAP of each call.  Default is "yes"                                                                                                                                                                                                                                             |
| enable\_compress       | Enable switch to auto compress PCAP file.  Default is "yes"                                                                                                                                                                                                                                               |
| pcap\_*save\_*day | Number of days to keep pcap in disk.  Default is "7"                                                                                                                                                                                                                                                      |
| pcap\_query\_duration  | The switch record pcap data in a per-minute file basis.  However, it is likely that a call has long duration and its pcap may span across multiple per-minute file.  This variable specify how far ahead the switch will look up for PCAP when a query to look for pcap for a specific call is requested. |
| pcap\_dir              | This is the directory where you want pcap to be stored.  By default, it is stored in {base dir}/dnl\_softswitch/pcap                                                                                                                                                                                      |

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