schoemans
asked on
ASA RA VPN No LAN access - maybe NAT?
Hi,
I know there are plenty of these in the knowledge base but I couldn't find one that solved my issue.
The setup is:
HOST (192.168.1.0/24) ---- (192.168.1.250) ASA (192.168.0.2) --- (192.168.0.1) ISP ROUTER --- (200.1.1.1) .
The 200.1.1.1 ip address is NATTED to 192.168.0.2, and the VPN connection gets established. The problem is that no packets can be sent between the RA VPN Client and the internal network, neither the internal ASA interface (192.168.1.250). I can however send between client and outside ASA interface (192.168.0.2).
The pathping on the client shows that traffice is routed over the VPN interface.
I think it may be because my VPN clients receive IP addresses that are in the same subnet as the LAN and the ASA does not return the packets correctly or something. However when I do a hypothetical packet trace on the ASA it shows that the packet to the client should be forwarded over the outside interface.
Can you please help:
I know there are plenty of these in the knowledge base but I couldn't find one that solved my issue.
The setup is:
HOST (192.168.1.0/24) ---- (192.168.1.250) ASA (192.168.0.2) --- (192.168.0.1) ISP ROUTER --- (200.1.1.1) .
The 200.1.1.1 ip address is NATTED to 192.168.0.2, and the VPN connection gets established. The problem is that no packets can be sent between the RA VPN Client and the internal network, neither the internal ASA interface (192.168.1.250). I can however send between client and outside ASA interface (192.168.0.2).
The pathping on the client shows that traffice is routed over the VPN interface.
I think it may be because my VPN clients receive IP addresses that are in the same subnet as the LAN and the ASA does not return the packets correctly or something. However when I do a hypothetical packet trace on the ASA it shows that the packet to the client should be forwarded over the outside interface.
Can you please help:
ASA Version 7.2(4)
!
hostname blahasa
domain-name blah
enable password DO8Oc533.vJWmhVe encrypted
passwd DO8Oc533.vJWmhVe encrypted
names
name 192.168.1.1 lrserver1
name 192.168.1.2 lrserver2
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.1.250 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address 192.168.0.2 255.255.255.0
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
banner motd $
banner motd Only attempt to access this device, network or server if you are authorized to do so. All access will be logged and unauthorized access will be prosecuted.
ftp mode passive
dns server-group DefaultDNS
domain-name blah
object-group network lrdwhk-lan
network-object 192.168.1.0 255.255.255.0
object-group service inside_in_ports_tcp tcp
port-object eq www
port-object eq 8080
port-object eq https
port-object eq pop3
port-object eq smtp
port-object eq ftp
port-object eq ftp-data
port-object eq domain
object-group service inside_in_ports_udp udp
port-object eq domain
object-group service outside_in_ports_tcp tcp
object-group service outside_in_ports_udp udp
description NAT-T VPN POrt
port-object eq 4500
port-object eq isakmp
access-list inside_in extended permit tcp object-group lrdwhk-lan any object-group inside_in_ports_tcp
access-list inside_in extended permit udp object-group lrdwhk-lan any object-group inside_in_ports_udp
access-list outside_in extended permit udp any any object-group outside_in_ports_udp
access-list inside_nat0_outbound extended permit ip any 192.168.1.192 255.255.255.224
access-list LRDWHKLAN standard permit 192.168.1.0 255.255.255.0
access-list LocalLANAccess standard permit any
pager lines 24
logging enable
logging asdm debugging
mtu inside 1500
mtu outside 1500
ip local pool LRDWhkRAVPNIPPool 192.168.1.200-192.168.1.210 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
nat-control
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
access-group inside_in in interface inside
access-group outside_in in interface outside
route outside 0.0.0.0 0.0.0.0 192.168.0.1 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 sip-provisional-media 0:02:00 uauth 0:05:00 absolute
aaa-server LRDlrserver1IAS protocol radius
aaa-server LRDlrserver1IAS (inside) host lrserver1
key 19radiusauth79
acl-netmask-convert auto-detect
http server enable
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-AES-128-MD5
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto ca trustpoint LRDASA1
enrollment terminal
crl configure
crypto isakmp enable outside
crypto isakmp policy 10
authentication pre-share
encryption aes
hash md5
group 2
lifetime 86400
crypto isakmp nat-traversal 20
telnet timeout 5
ssh 192.168.1.0 255.255.255.0 inside
ssh timeout 5
ssh version 2
console timeout 0
dhcpd auto_config outside
!
dhcpd address lrserver2-192.168.1.129 inside
!
group-policy LRDRAVPNWHK internal
group-policy LRDRAVPNWHK attributes
wins-server value 192.168.1.1 192.168.1.2
dns-server value 192.168.1.1 192.168.1.2
vpn-tunnel-protocol IPSec
split-tunnel-policy excludespecified
split-tunnel-network-list value LocalLANAccess
default-domain value lr.local
tunnel-group DefaultRAGroup general-attributes
address-pool LRDWhkRAVPNIPPool
tunnel-group LRDRAVPNWHK type ipsec-ra
tunnel-group LRDRAVPNWHK general-attributes
address-pool LRDWhkRAVPNIPPool
authentication-server-group LRDlrserver1IAS
default-group-policy LRDRAVPNWHK
tunnel-group LRDRAVPNWHK ipsec-attributes
pre-shared-key *
!
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 rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:c046557e73946cb5fda5cf28000f2521
: end
asdm image disk0:/asdm-524.bin
no asdm history enable
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conf t
no split-tunnel-policy excludespecified
no split-tunnel-network-list value LocalLANAccess
split-tunnel-policy tunnelspecified
split-tunnel-network-list value LRDWHKLAN