Chapter 10 Routing
USG20(W)-VPN Series User’s Guide
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• The packet’s message-digest is the same as the one the USG calculates using the MD5 password.
For RIP, authentication is not available in RIP version 1. In RIP version 2, you can only select one
authentication type for all interfaces. For OSPF, the USG supports a default authentication type by
area. If you want to use this default in an interface or virtual link, you set the associated
Authentication Type field to Same as Area. As a result, you only have to update the
authentication information for the area to update the authentication type used by these interfaces
and virtual links. Alternatively, you can override the default in any interface or virtual link by
selecting a specific authentication method. Please see the respective interface sections for more
information.
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