sonicwall global vpn stuck on acquiring ip

Sonicwall global vpn stuck on acquiring ip windows#

Select the Peers tab and then select the appropriate peer (head-end firewall) and choose Edit. To disable NAT traversal in the client, select the Connection in GVC and then select File -> Properties.This mode will prevent multiple GVC clients running simultaneously behind a single NAT device. In order for this to work, the NAT device must be in IPSec pass-through mode.

This means that ESP traffic will not be encapsulated in UDP. To work around this problem, set GVC never to perform NAT traversal. These packets are discarded by the NAT device without any notification sent back to GVC. Occasionally GVC may be run from behind a NAT device that improperly handles NAT traversal packets (ESP packets encapsulated in ISAKMP). NAT Traversal UDP Encapsulated ESP traffic is blocked Next choose NAT Traversal and select Forced On.

To configure the NAT traversal setting from the client, select the Connection in GVC and then select File|Properties.

Therefore the Peer must separate the IKE control traffic from the data traffic. The UDP header uses the same port as ISAKMP control traffic.

When GVC detects a NAT device, it encapsulates all ESP traffic (including DHCP packets) using the UDP header. To work around this problem, GVC is enabled to detect a NAT device in the middle. The ESP packets are simply dropped by the firewall with no indication back to GVC. The DHCP requests that get sent for the virtual adapter are sent down the tunnel like any other traffic and are thus encapsulated in ESP. SonicWall GVC may be run from behind a firewall or other device that allows ISAKMP traffic to pass through, but does not allow ESP traffic to pass through. Check the For Global VPN Client checkbox to use the DHCP Server for Global VPN Clients. Select Use Internal DHCP Server if the SonicWall is the DHCP server.MANAGE | VPN | DHCP over VPN > Make sure that Central Gateway is selected and click Configure.

Sonicwall global vpn stuck on acquiring ip windows#

If you’re using a Windows DHCP server: Make sure to check that the pool is big enough to accommodate all the users. For the below example I have given 19 leases for my 15 users.

Check if the DHCP server has a range big enough to accommodate all clients.

If you are using the SonicWall’s internal DHCP server The below resolution is for customers using SonicOS 7.X firmware. This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. GVC is stuck on acquiring IP for some users.

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