Waters Network Systems ProSwitch-Quad Series Especificaciones Pagina 268

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Virtual Private Networking Using IPSec and L2TP Connections
268
ProSAFE Gigabit Quad WAN SSL VPN Firewall SRX5308
Figure 177.
4. In the IKE SA Parameters section of the screen, locate the DPD fields, and complete the
settings as described the following table:
5. Click Apply to save your settings.
Configure NetBIOS Bridging with IPSec VPN
Windows networks use the Network Basic Input/Output System (NetBIOS) for several basic
network services such as naming and neighborhood device discovery. Because VPN routers
do not usually pass NetBIOS traffic, these network services do not function for hosts on
opposite ends of a VPN connection. To solve this problem, you can configure the VPN
firewall to bridge NetBIOS traffic over the VPN tunnel.
To enable NetBIOS bridging on a configured VPN tunnel:
1. Select VPN > IPSec VPN > VPN Policies. The VPN Policies screen displays (see
Figure 160 on page 239).
Table 65. Dead Peer Detection settings
Setting Description
IKE SA Parameters
Enable Dead Peer
Detection
Select the Yes
radio button to enable DPD. When the VPN firewall detects an
IKE connection failure, it deletes the IPSec and IKE SA and forces a
reestablishment of the connection. You need to specify the detection period in
the Detection Period field and the maximum number of times that the VPN
firewall attempts to reconnect in the Reconnect after failure count field.
Detection Period The period in seconds between consecutive
DPD R-U-THERE messages, which are sent only when the
IPSec traffic is idle. The default setting is 10 seconds.
Reconnect after
failure count
The maximum number of DPD failures before the VPN
firewall tears down the connection and then attempts to
reconnect to the peer. The default setting is 3 failures.
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