Cisco RV016 - Small Business - 10/100 VPN Router User's Guide download pdf (Page 78)

Chapter 6: Setting up and Configuring the Router

VPN Tab - Client to Gateway

10/100 16-Port VPN Router

setting, then Main mode will be unavailable, so Aggressive Mode will be used—unless the Remote Client is

Microsoft XP/2000 VPN client. For Microsoft XP/2000 VPN clients, then Aggressive Mode will be unavailable,

so Main mode will be used.

Compress (Support IP Payload compression Protocol (IP Comp)). The Router supports IP Payload Compression

Protocol, which is used to reduce the size of IP datagrams. If this feature is enabled, the Router will propose

compression when initiating a connection. If the responders reject this proposal, then the Router will not

implement compression. When the Router works as a responder, the Router will always accept compression

even when the Compress feature has not been enabled. Select Compress to support this protocol.

Keep-Alive. This feature helps maintain the connections of IPSec tunnels. Whenever a connection is dropped

and the drop is detected, then the connection will be re-established immediately. Select Keep-Alive to enable

this feature.

AH Hash Algorithm. The AH (Authentication Header) protocol describes the packet format and default

standards for packet structure. If AH is used as a security protocol, portions of the original IP header are used

to verify the integrity of the entire packet during the hashing process, so protection is extended forward into

the IP header. Select an algorithm, MD5 or SHA1. MD5 produces a 128-bit digest to authenticate packet data,

and SHA1 produces a 160-bit digest to authenticate packet data. Both ends of the VPN tunnel should use the

same AH Hash Algorithm.

NetBIOS Broadcast. Click the checkbox if you want NetBIOS traffic to pass through the VPN tunnel. By default,

the Router blocks these broadcasts.

Click the Save Settings button to save your changes, or click the Cancel Changes button to undo the changes.

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Cisco RV016 - Small Business - 10/100 VPN Router User's Guide Page 78