VPN
Gateway to Gateway
90
Cisco RV320/RV325 Administration Guide
8
•
NAT Traversal—
Network Address Translation (NAT) enables users with
private LAN addresses to access Internet resources by using a publicly
routable IP address as the source address. However, for inbound traffic, the
NAT gateway has no automatic method of translating the public IP address
to a particular destination on the private LAN. This issue prevents
successful IPsec exchanges. If your VPN router is behind a NAT gateway,
check this box to enable NAT traversal. The same setting must be used on
both ends of the tunnel.
•
Dead Peer Detection (DPD)—
Sends periodic HELLO/ACK messages to
check the status of the VPN tunnel. This feature must be enabled on both
ends of the VPN tunnel. Specify the interval between HELLO/ACK
messages in the
Interval
field.
•
Extended Authentication
—Uses an IPsec host username and password to
authenticate the VPN clients or it uses the user database found in User
Management. Both IPSec host and edge device must enable Extended
Authentication. To use the
IPsec Host
, click the radio button and enter the
User Name
and
Password
. To use the
Edge Device
, click the radio button
and select the database from the drop-down menu. To add or edit the
database, click
Add/Edit
to display the User Management window.
•
Tunnel Backup—
When DPD determines that the remote peer is unavailable,
this feature enables the router to reestablish the VPN tunnel by using either
an alternative IP address for the remote peer or an alternative local WAN
interface. Check the box to enable this feature and enter the following
settings. This feature is available only if Dead Peer Detection is enabled.
-
Remote Backup IP Address—
Alternative IP address for the remote
peer, or reenter the WAN IP address that was already set for the remote
gateway.
-
Local Interface—
WAN interface to use to reestablish the connection.
-
VPN Tunnel Backup Idle Time—
When the router boots up and the
primary tunnel is not connected within the specified period, the backup
tunnel is used. The default idle time is 30 seconds.
Summary of Contents for Small Business RV320
Page 1: ...Cisco RV320 RV325 Gigabit Dual WAN VPN Router ADMINISTRATION GUIDE ...
Page 2: ...78 20928 01 ...
Page 10: ...Getting Started Features of the User Interface 10 Cisco RV320 RV325 Administration Guide 1 ...
Page 16: ...System Summary Log Setting Status 16 Cisco RV320 RV325 Administration Guide 2 ...
Page 54: ...DHCP Router Advertisement IPv6 54 Cisco RV320 RV325 Administration Guide 4 ...
Page 68: ...System Management Backup and Restore 68 Cisco RV320 RV325 Administration Guide 5 ...
Page 74: ...Port Management 802 1X Configuration 74 Cisco RV320 RV325 Administration Guide 6 ...
Page 80: ...Firewall Content Filter 80 Cisco RV320 RV325 Administration Guide 7 ...
Page 106: ...Certificate Management CSR Authorization 106 Cisco RV320 RV325 Administration Guide 9 ...
Page 118: ...Wizard 118 Cisco RV320 RV325 Administration Guide 12 ...
Page 122: ...Where to Go From Here 122 Cisco RV320 RV325 Administration Guide 14 Revised August 2014 ...