Cisco ASA 5505 Getting Started Manual page 96

Implementing the Site-to-Site Scenario
Note
Click Next to continue.
Step 2
Cisco ASA 5505 Getting Started Guide
8-8
When configuring Security Appliance 2, enter the same values for each of
the options that you chose for Security Appliance 1. Encryption
mismatches are a common cause of VPN tunnel failures and can slow
down the process.
Chapter 8 Scenario: Site-to-Site VPN Configuration
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