Draytek Vigor2620 LTE Series User Manual page 209

When you check IPsec, you will see the following graphic:
Available settings are explained as follows:
Item
Profile Name
User Name
Vigor2620 Series User's Guide
Description
Type a name for such profile. The length of the file is limited
to 10 characters.
This field is used to authenticate for connection when you
select PPTP or L2TP with or without IPsec policy above.
The length of the name is limited to 11 characters.
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