3Com Router 3000 Ethernet FamilyConfiguration Guide Chapter 4 DVPN3Com Corporation4-20Table 4-23 Configure the pre-shared key of the DVPN serverOperation CommandConfigure the pre-shared key of the DVPN server pre-shared-key keyRemove the configured pre-shared key undo pre-shared-keyNo pre-shared key of the DVPN server is configured by default.VI. Configuring the user name and password of the clientWhen registering with a DVPN server that authenticates clients, a client must provideits user name and password. Use this command to configure the user name andpassword of the client.Perform the following configuration in DVPN class view.Table 4-24 Configure the user name and password of the clientOperation CommandConfigure the user name and passwordof the clientlocal-user username password{ simple | cipher } passwordRemove the user name and passwordof the client undo local-user usernameA client is not configured with a user name and password by default.4.2.5 Configuring a DVPN PolicyIn DVPN policy view, you can configure the DVPN policy information, such as sessionalgorithm, IPSec algorithm for data, and time parameters. A DVPN server issues theDVPN policy used in the DVPN domain to the registered clients.Caution:To modify or apply a configured policy, you must reboot the router or configure theshutdown/undo shutdown command on the tunnel interface. Otherwise, the newpolicy will not take effect.