D-Link DES-3326SR User Manual page 224

DES-3326SR Layer 3 Fast Ethernet Switch User's Guide
OSPF
MD5 Key Table Configuration
The MD5 Key Table Configuration menu allows the entry of a
16 character Message Digest − version 5 (MD5) key which can
be used to authenticate every packet exchanged between OSPF
routers. It is used as a security mechanism to limit the
exchange of network topology information to the OSPF routing
domain.
MD5 Keys created here can be used in the OSPF Interface
Configuration menu below.
To configure an MD5 Key, click the MD5 Key Table
Configuration link to open the following dialog box:
Figure 6 - 47. MD5 Key Table
To add an MD5 key to the table, click the New button:
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