> Source: [sk181032](https://support.checkpoint.com/results/sk/sk181032)

# sk181032 - "g_tcpdump -mcap" command does not merge traffic capture outputs

| Property | Value |
|----------|-------|
| Solution ID | sk181032 |
| Date Created | 2023-05-27 |
| Last Modified | 2023-11-23 |
| Technical Level | General |
| Products | Scalable Platforms |
| Versions | R81.10 (EOS) |

## Symptoms

- * The errors below appear when you save global tcpdump with Multi-Blade Traffic Capture (`g_tcpdump -mcap`):   
  `Copying captured packets from remote SGMs to local SGM`  
  `
  Merging capture files into `**[Filename]**   
  `
  error executing mcap: capture file `**[Filename]**` has bad file name format. expecting [base file name]_X_YY, where X is the chassis ID and YY is the blade ID`

  <br />

* The outputs of the traffic capture are not merged:  
  `
  `**[filename]** `_1_1`  
  `
  `**[filename]** `_1_2`  
  `
  `**[filename]** `_1_3`  
  `
  `**[filename]** `_1_4`  
  `
  `**[filename]** `_2_1`  
  `
  `**[filename]** `_2_2`  
  `
  `**[filename]**`_2_3
  `

  <br />

## Cause

The filename specified with the "-w" parameter contains a dot (.) or dots.

<br />

## Solution

This problem was fixed. The fix is included in:

* [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 26
* [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 110
* [Jumbo Hotfix Accumulator for R81](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81/Default.htm) starting from Take 89

If you choose not to upgrade, as a **workaround**, remove the dot or dots (.) from the filename specified with the "-w" parameter.

---

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