the troubleshooting of “can’t create a VPN connection“

Latest reply: Oct 24, 2014 15:03:52 1611 1 0 0

A configuration fault results the problem "can’t create a VPN connection" form costomers. 

The port  Ethernet0/0/8 has NAT outbound to all IP, then the traffic(ip source 192.168.a.b 0.0.0.7 destination 192.168.c.0 0.0.0.255)

can’t be transferred to IPsec tunnel for its ip address have been also translated  and can’t  match the IPsec ACL 3999.

interface Ethernet0/0/8

tcp adjust-mss 1460

ip address x.y.24.219 255.255.255.248

ipsec policy branch_vpn

nat outbound 2999

 

 

acl name Ethernet0/0/8 2999 

 rule 5 permit

#

 

the traffic  should be transferred to IPsec tunnel:

acl name b_Ethernet0/0/8_1 3999 

 rule 5 permit ip source 192.168.a.b 0.0.0.7 destination 192.168.c.0 0.0.0.255

 

 

Solutions:

Modify ACL 2999:

acl name Ethernet0/0/8 3001

rule 5 deny  ip source 192.168.a.b 0.0.0.7 destination 192.168.c.0 0.0.0.255       

//exclude the traffic should be transferred to IPsec tunnel

rule 10 permit ip

interface Ethernet0/0/8

nat outbound 3001


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  • convention:

user_27079 Created Oct 24, 2014 15:03:52 Helpful(0) Helpful(0)

thanks fo sharing

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