# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Cherry Blossom

# CherryBlossom -- Installation Guide

19 July, 2012

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SECRET//20350112
5.6 (U) MTU Size Issue
(S) During the testing of the “CT2010” system, an issue relating to the interface
Maximum Transmission Unit (MTU) size was discovered and corrected. The installer
now sets (and persists) the interfaces for the CB-CC Servers and CB-VPN Servers at
1200 bytes. A CB-VPN tunnel creation script (run each time a new VPN tunnel is
created) was also modified to set the tunnel MTU at 1140 bytes.
SECRET//20350112
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