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Cisco Remote Access VPN on ASA 5505 - Lan Access Problems

Posted on 2009-04-02
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Last Modified: 2012-06-27
I have a Cisco ASA 5505 at a branch office that functions as as remote access VPN. This is setup for IPSec over UDP with Allow Local LAN Access enabled.

The LAN is 192.168.100.0 /24
The VPN pool is 192.168.27.0 /28
ASA Software Version 7.2(4)
VPN Client Version 5.0.01.0600

At my house, behind my Linksys router, I am able to connect and use this VPN just as it should work. I can access the LAN, ping devices, etc.

At a couple other business locations, on two different laptops I have tested, I am able to connect to the VPN just fine but I have no access to the LAN. In the status of the Cisco VPN client I get 0 bytes received and 0 decrypted, while the sent bytes are present but remain at a lower number due to little traffic. Below is the config which should be correct (especially since it works on some PC's/networks).

I have access to the firewalls, etc. on the business locations I have been testing from as an FYI if anyone has a suggestion that requires a change in some rule on the firewall that is my gateway depending on where I'm at. Thanks in advance.
access-list outside_access_in extended permit icmp any any
access-list splittunnel standard permit 192.168.100.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip any 192.168.27.0 255.255.255.240
 
ip local pool NetformVPN 192.168.27.1-192.168.27.15 mask 255.255.255.240
 
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
 
!
 
group-policy Netform internal
group-policy Netform attributes
 dns-server value 192.168.100.10
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value splittunnel
 default-domain value mfcnetform.local
username admin password ********** encrypted
username admin attributes
 vpn-group-policy Netform
tunnel-group Netform type ipsec-ra
tunnel-group Netform general-attributes
 address-pool NetformVPN
 default-group-policy Netform
tunnel-group Netform ipsec-attributes
 pre-shared-key *

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Question by:cberrymd
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cberrymd earned 0 total points
ID: 24054463
I actually believe I just solved my own problem.

The following was missing from the config:

crypto isakmp nat-traversal 25
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