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9.1

Cisco VPN client with split-tunneling is not working

Asked by jgrammer42 in Cisco PIX Firewall, Virtual Private Networking (VPN)

Tags: cisco, vpn, client, split-tunnel, split-tunneling

I am having a problem getting split-tunneling to work using the Cisco VPN client v5.0 attaching to a Cisco 5540 ASA.

The client works fine without split-tunneling active.  I can VPN in and get to all of my internal LAN systems.  BUT, (as you are aware), you cannot browse the Inet from the client PC when using the Cisco client.  To work around this, I need to activate split-tunneling.

When I setup an access-list for split tunneling and add the commands for the group-policy, I can VPN in, BUT, I cannot get to any internal systems, but I CAN browse the Internet.

The code attached is the un-changed code that works with the Cisco VPN client but without Internet browsing and no split-tunnel active.

When I add the commands of
access-list SPLIT-TUNNEL standard permit 192.168.150.0 255.255.255.0

split-tunnel-policy tunnelspecified
split-tunnel-network-list value SPLIT-TUNNEL

That is when the Cisco VPN client allows me to browse the Ineternet, but does NOT let me access any internal network systems.

What am I missing?

Thanks in advance for all the help,

Jeff
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:
ASA Version 7.2(3) 
!
hostname COM-P10-ASA
domain-name domain.com
names
!
interface GigabitEthernet0/0
 nameif outside
 security-level 0
 ip address 70.5.150.35 255.255.255.224 
!
interface GigabitEthernet0/1
 nameif inside
 security-level 100
 ip address 172.20.1.7 255.255.0.0 
!
interface GigabitEthernet0/2
 nameif dmz
 security-level 0
 ip address 192.168.175.3 255.255.255.0 
!
interface GigabitEthernet0/3
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Management0/0
 nameif ASA-Mgmt
 security-level 0
 ip address 192.168.10.1 255.255.255.0 
!
 
ftp mode passive
dns server-group DefaultDNS
 domain-name domain.com
access-list OUTSIDE extended permit icmp any any 
access-list OUTSIDE extended permit tcp any host 70.5.150.40 eq www 
access-list OUTSIDE extended permit tcp any host 70.5.150.41 eq www 
access-list OUTSIDE extended permit tcp any host 70.5.150.41 eq https 
access-list OUTSIDE extended permit tcp any host 70.5.150.41 eq pop3 
access-list OUTSIDE extended permit tcp any host 70.5.150.41 eq imap4 
access-list OUTSIDE extended permit tcp host 201.27.136.180 host 70.5.150.43 eq smtp 
access-list VPN extended permit ip 172.20.0.0 255.255.0.0 192.168.200.0 255.255.255.0 
access-list VPN extended permit ip 192.168.175.0 255.255.255.0 192.168.200.0 255.255.255.0 
access-list VPN extended permit ip 172.20.0.0 255.255.0.0 172.21.0.0 255.255.0.0 
access-list VPN extended permit ip 172.20.0.0 255.255.0.0 172.22.0.0 255.255.0.0 
access-list VPN extended permit ip 172.20.0.0 255.255.0.0 192.168.150.0 255.255.255.0 
access-list DMZ extended permit icmp any any 
access-list DMZ extended permit udp any any 
access-list DMZ extended permit tcp any any 
access-list DMZ extended permit ip 192.168.175.0 255.255.255.0 192.168.200.0 255.255.255.0 
access-list JDG extended permit ip 172.20.0.0 255.255.0.0 192.168.200.0 255.255.255.0
access-list COM-GA extended permit ip 172.20.0.0 255.255.0.0 172.21.0.0 255.255.0.0 
access-list COM-MD extended permit ip 172.20.0.0 255.255.0.0 172.22.0.0 255.255.0.0 
pager lines 24
mtu outside 1500
mtu inside 1500
mtu dmz 1500
mtu ASA-Mgmt 1500
ip local pool etpool 192.168.150.1-192.168.150.254
no failover
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/pdm
no asdm history enable
arp timeout 14400
global (outside) 1 interface
global (dmz) 1 192.168.175.253
nat (inside) 0 access-list VPN
nat (inside) 1 0.0.0.0 0.0.0.0
access-group OUTSIDE in interface outside
access-group DMZ in interface dmz
route outside 0.0.0.0 0.0.0.0 70.5.150.62 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout uauth 0:05:00 absolute
aaa-server RADIUS protocol radius
aaa-server RADIUS host 172.20.3.3
key key-for-radius-connection
http server enable
http 172.20.0.0 255.255.0.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set etiset esp-des esp-md5-hmac 
crypto ipsec transform-set etiset2 esp-3des esp-md5-hmac 
crypto ipsec transform-set etiset3 esp-3des esp-sha-hmac 
crypto ipsec security-association lifetime seconds 3600
crypto dynamic-map etivpn 10 set pfs group1
crypto dynamic-map etivpn 10 set transform-set etiset3
crypto map etimap 10 match address COM-GA
crypto map etimap 10 set peer 218.48.1.42 
crypto map etimap 10 set transform-set etiset2
crypto map etimap 20 match address COM-MD
crypto map etimap 20 set peer 92.46.54.106 
crypto map etimap 20 set transform-set etiset2
crypto map etimap 40 match address JDG
crypto map etimap 40 set peer 69.35.176.146 
crypto map etimap 40 set transform-set etiset2
crypto map etimap 40 set security-association lifetime seconds 28800
crypto map etimap 65000 ipsec-isakmp dynamic etivpn
crypto map etimap interface outside
crypto isakmp identity address 
crypto isakmp enable outside
crypto isakmp policy 20
 authentication pre-share
 encryption 3des
 hash md5
 group 2
 lifetime 3600
crypto isakmp policy 30
 authentication pre-share
 encryption des
 hash md5
 group 1
 lifetime 86400
crypto isakmp policy 50
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp nat-traversal  20
telnet 172.20.0.0 255.255.0.0 inside
telnet timeout 15
ssh 172.20.0.0 255.255.0.0 inside
ssh timeout 15
console timeout 0
!
class-map class_sip_tcp
 match port tcp eq sip
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map 
  inspect ftp 
  inspect h323 h225 
  inspect h323 ras 
  inspect http 
  inspect ils 
  inspect pptp 
  inspect rsh 
  inspect rtsp 
  inspect skinny 
  inspect esmtp 
  inspect sqlnet 
  inspect tftp 
 class class_sip_tcp
  inspect sip 
!
service-policy global_policy global
group-policy COMVPN internal
group-policy COMVPN attributes
 wins-server value 172.20.3.11
 dns-server value 172.20.3.11
 vpn-tunnel-protocol IPSec 
 default-domain value int.domain.com
tunnel-group COMVPN type ipsec-ra
tunnel-group COMVPN general-attributes
 address-pool etpool
 authentication-server-group RADIUS
 default-group-policy COMVPN
tunnel-group COMVPN ipsec-attributes
 pre-shared-key *
tunnel-group COMVPN ppp-attributes
 authentication pap
 authentication ms-chap-v2
tunnel-group 69.35.176.146 type ipsec-l2l
tunnel-group 69.35.176.146 ipsec-attributes
 pre-shared-key *
tunnel-group 218.48.1.42 type ipsec-l2l
tunnel-group 218.48.1.42 ipsec-attributes
 pre-shared-key *
tunnel-group 92.46.54.106 type ipsec-l2l
tunnel-group 92.46.54.106 ipsec-attributes
 pre-shared-key *
prompt hostname context 
Cryptochecksum:b8010b5e5892c5a4dfe17c57ff70940a
: end
 
 COM-P10-ASA#
[+][-]09/16/09 10:36 AM, ID: 25348021Accepted Solution

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About this solution

Zones: Cisco PIX Firewall, Virtual Private Networking (VPN)
Tags: cisco, vpn, client, split-tunnel, split-tunneling
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Solution Provided By: JFrederick29
Participating Experts: 2
Solution Grade: A
 
[+][-]09/16/09 10:41 AM, ID: 25348059Expert Comment

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[+][-]09/16/09 10:41 AM, ID: 25348065Author Comment

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[+][-]09/16/09 10:44 AM, ID: 25348102Expert Comment

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[+][-]09/16/09 10:47 AM, ID: 25348130Author Comment

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[+][-]09/16/09 10:50 AM, ID: 25348155Expert Comment

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