PIX 7 - several remote VPN sessions to the same public IP address

Hello

Here's my problem:

Employee A and employee B make VPN connections to the PIX even with their Cisco VPN clients. The two employees are behind the same NAT device, so have the same public IP address.

As soon as the second employee initiates the VPN connection, the first employee is disconnected.

I have a similar situation with a PIX 6.x version and it does not. Two employees can connect at the same time with the same credentials.

Here is the configuration of remote access VPN I use:

attributes of the strategy group gpolicy

DHCP-scope network 10.X.X.X

VPN - 5 concurrent connections

Protocol-tunnel-VPN IPSec

enable IPSec-udp

Split-tunnel-policy tunnelspecified

value of Split-tunnel-network-list splitTunnelAcl

the authentication of the user activation

the firewall client no

remoteuser password remotepass username

remoteuser attributes username

VPN-group-policy labtronix

VPN - connections 2

Protocol-tunnel-VPN IPSec

value of group-lock vpngroup

tunnel-group vpngroup type ipsec-ra

tunnel-group vpngroup General attributes

address ip_pool pool

Group Policy - by default-gpolicy

Any contribution is appreciated.

Thank you.

Most likely problem of nat - t

Add "isakmp nat-traversal" in pix

Tags: Cisco Security

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