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Installing Software Updates
EncrypTight User Guide 75
To deploy policies:
1Click Tools > Deploy to synchronize the EncrypTight components with the current policies. Note that
this will interrupt traffic on the PEP briefly.
Step 5: Upgrade PEP Software
After you upgrade the ETKMSs and ETPM, you can upgrade the PEPs to a new software version. Using
ETEMS, you can download new software from an FTP server to one or many PEPs of the same product
family. For example, ETEMS can upgrade a mix of ETEP models, such as ET0010As, ET0100As, and
ET1000As, in a single operation.
When upgrading software on ETEP 1.6 and later appliances, you have the option of using FTP or SFTP
for secure file transfer. If you choose SFTP as the connection method, all of the selected appliances must
support SFTP.
Figure 19 Upgrade remote appliances first when managing appliances in-line, where
management traffic flows through the data path
If you are managing your PEPs in-line as shown in Figure 19, we recommend performing a software
upgrade in two stages. First, upgrade all the PEPs at remote sites and reboot them. When the remote site
PEPs are up and operational, upgrade the local site PEP, which is co-located with the EncrypTight
management station. Upgrading the local site PEP at the same time as the remote PEPs can cause
connectivity with the management station to be lost and the remote site upgrades to fail.