Forward traffic IPSec VPN
Hi dude, I want to address this topic to understand ipsec VPN throughput.
I have 1 router 1921 and 1 ASA 5510 behind the router. I want to set up remote access on ASA firewall by traffic shaping router forwards (port UDP 500 and UDP 4500 port). I have 1 public IP address and I already configure NAT on the router. In fact, I heard that IPsec cannot pass through the NAT. So if I want to configure VPN on SAA, it is possible to do? All the guys comment on and propose your idea to me. Thanks for your reply.
Hello
When you say, you have a public IP address. Is this address IP is assigned to the interface of the router or not attributed distinct IP address.
If its not assigned public IP address, you can make static NAT with ASA outside the IP address to a public IP address on your router as below
{100.100.x.x}fa0/0<-(R1)->fa0/1{192.168.100.1}<------->{192.168.100.2}eth0/0(ASA)eth0/1{172.16.01}
IP nat inside source 192.168.100.2 static 100.100.x.x
This way you have full IP to IP NAT.
If you got the only IP address that is assigned to the interface of the router then you will need to nat as port said
For VPN gateways running versions of the Cisco IOS software prior to version 12.2 (13) T, the functionality of IPSec passthrough is required on the router that runs PAT to enable payload ESP (Encapsulating Security) through.
Note: This feature is called IPSec through NAT (NAT) network support Advisory software (registered only customers).
In order to initiate the tunnel of the local counterpart (PATed), no configuration is necessary. In order to initiate the tunnel of the remote peer, these commands are needed:
IP nat inside source static esp inside_ip interface, interface
IP nat inside source udp static inside_ip 500 interface interface 500
For VPN gateways that run a version of the Cisco IOS software later than 12.2 (13) T, IPSec traffic is encapsulated in data protocol packets UDP (User) port 4500. This feature is called IPSec NAT transparency . In order to initiate the tunnel of the local counterpart (PATed), no configuration is necessary.
In order to initiate the tunnel of the remote peer, these commands are needed:
IP nat inside source udp static inside_ip 4500 4500 interface interface
IP nat inside source udp static inside_ip 500 interface interface 500
HTH
Sandy
Tags: Cisco Security
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The Lan is 192.168.1.0/24 with inside interface a.254.
The VPN works great. What I would do is to route all internet through the firewall traffic when users are connected to the VPN. I put this gateway 192.168.1.254 tunnel, but I'm having no luck to get it works.
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You are just going to route internet traffic to the remote vpn client to the ASA and backward on the Internet?
If the above statement is correct, you need not configure the tunnel default gateway.
But you need to configure NAT for the ip pool, so they can go to the internet, as well as the 'same-security-movement' command as follows:
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In addition, assuming that you have not have split configured tunnel.
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ASA Cisco IPSEC VPN tunnel has not managed the traffic
Hi guys
I am trying to set up a new connection IPSEC VPN between a Cisco ASA 5520 (verion 8.4 (4)) and Checkpoint Firewall. I managed to establish the phases IKE and IPSEC and I can see the tunnel is UP. But I can't see any traffic through the tunnel. I checked the cryptomap both ends and try to test with a contionuous ping from within the network of the SAA.
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You probably need to add nat negate statements:-something like.
object-group network OBJ-LOCAL
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RV180 VPN route all internet traffic via IPSec VPN
Hello
I install my RV180 to VPN to our headquarters Fortigate 60 C. It works really well
My only problem is that I don't know how to move internet traffic on our remote site by Headquarters. We want to use this technique so that all sites have the same web content filtering provided by our main Fortigate unit. I see clearly that all traffic destined to our internal network will go trough the VPN tunnel, but internet traffic will go through our modem at the remote site.
My way of fortigate thinking said that I need a static route to transfer all traffic through the VPN tunnel. I've read elsewhere that I need to set up some sort of ACL.
Anyone else has any ideas on this / has anyone successfully implemented somehting similar?
Hi Jared,
I don't think that RV180 takes complete care of tunneling. Complete tunneling allows you to all your traffic to VPN. RV180 made only split tunneling.
Thank you
Vijay
Sent by Cisco Support technique iPad App
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Establish a IPsec VPN connection, but remote site can't ping main office
Hi, I set up connection from site to site IPsec VPN between cisco 892 (main site) router and linksys router wrv210 (remote site). My problem is that I can ping network router wrv210 lan of my main office where is cisco 892 router, but I cannot ping the main site of linksys wrv210 lan (my remote site).
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-1
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-3
game group-access 106
type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-2
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-5
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-7
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-8
game group-access 111
type of class-card inspect entire game SDM_AH
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type of class-card inspect entire game SDM_VPN_TRAFFIC
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type of class-card inspect correspondence sdm-cls-VPNOutsideToInside-10
game group-access 113
type of class-card inspect all sdm-service-ccp-inspect-1 game
http protocol game
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type of class-card inspect entire game PAC-cls-icmp-access
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udp Protocol game
type of class-card inspect correspondence ccp-invalid-src
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class type inspect PCB-icmp-access
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type of policy-card inspect sdm-pol-VPNOutsideToInside-1
class type inspect sdm-cls-VPNOutsideToInside-1
inspect
class type inspect sdm-cls-VPNOutsideToInside-2
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class type inspect sdm-cls-VPNOutsideToInside-3
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class type inspect sdm-cls-VPNOutsideToInside-4
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class type inspect sdm-cls-VPNOutsideToInside-5
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class type inspect sdm-cls-VPNOutsideToInside-6
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class type inspect sdm-cls-VPNOutsideToInside-7
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class type inspect sdm-cls-VPNOutsideToInside-8
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class type inspect sdm-cls-VPNOutsideToInside-9
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class type inspect sdm-cls-VPNOutsideToInside-10
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class class by default
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zone-pair security PAC-zp-self-out source destination outside zone auto
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zone-pair security PAC-zp-in-out source in the area of destination outside the area
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sdm-zp-VPNOutsideToInside-1 zone-pair security source outside the area of destination in the area
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!
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crypto ISAKMP policy 1
BA 3des
md5 hash
preshared authentication
Group 2
lifetime 28800
ISAKMP crypto key address 83.xx.xx.50 xxxxxxxxxxx
!
!
Crypto ipsec transform-set ESP-3DES esp-3des esp-md5-hmac
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map SDM_CMAP_1 1 ipsec-isakmp crypto
Description NY_NJ
the value of 83.xx.xx.50 peer
game of transformation-ESP-3DES
match address 101
!
!
!
!
!
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interface FastEthernet0
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interface FastEthernet1
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interface FastEthernet2
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interface FastEthernet3
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interface FastEthernet4
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interface FastEthernet5
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FastEthernet6 interface
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interface FastEthernet7
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no ip unreachable
no ip proxy-arp
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automatic duplex
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interface GigabitEthernet0
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NAT outside IP
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automatic duplex
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IP nat inside
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access-list 104. allow ip 192.168.0.0 0.0.0.255 any
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access-list 112 allow ip 192.168.7.0 0.0.0.255 192.168.0.0 0.0.0.255
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not run cdp
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!
!
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allowed SDM_RMAP_1 1 route map
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--------------------------------------------------------
I only give your router cisco 892 because there is nothnig much to change on linksys wrv210 router.
Hope someone can help me. See you soon
You can run a "ip inspect log drop-pkt" and see if get you any what FW-DROP session corresponding to the traffic you send Linksys to the main site. Zone based firewall could be blocking traffic initiated from outside to inside.
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IPSEC VPN crossed/Uturn problems internal net connections
I have an ASA 5505 I connect remotely. I use it as a remote IPSEC VPN with crossed/uturn to allow me to surf the Internet with my IP address.
I can't access one of the internal computers on my home network. I was able to do it successfully in the past on an older IOS SAA, but I am now on a new ASA 8.2 running (1) and I am unable to connect internally.
I would like to connect my Slingbox and Tivo which is my home. I tried to ping the boxes and no luck. In the past, when it worked I was able to ping devices.
I enclose my config.
Thanks in advance.
Jon
Jon,
If you are able to PING 192.168.1.1 VPN client, it means traffic reaches right inside the interface of the ASA.
Now, the ASA must forward packets to 192.168.1.6 when received.
Follow these steps:
Just add the keyword to the outside
to this statement:
NAT (outside) 1 192.168.2.0 255.255.255.0 outside
Try again. If this does not work, make sure that the only NAT statements you have are the following (you can copy and paste):
permit ip 192.168.2.0 access list NAT0OUT 255.255.255.0 192.168.1.0 255.255.255.0
permit 192.168.1.0 ip access list NAT0IN 255.255.255.0 192.168.2.0 255.255.255.0
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NAT (inside) 0-list of access NAT0IN
NAT (inside) 1 192.168.1.0 255.255.255.0
NAT (outside) 0-list of access NAT0OUT
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Federico.
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Hello
I installed a VPN IPSec tunnel for a friend's business. At his desk at home, I installed a Cisco SA520 and at it is remote from the site I have a Cisco RVS4000. The IPSec VPN tunnel works very well. The remote site, it can hit all of its workstations and peripheral. I configured the RVS4000 working in router mode as opposed to the bridge. In the Home Office subnet is 192.168.1.0/24 while the subnet to the remote site is 192.168.2.0/24. The SA520 is configured as Internet gateway for the headquarters to 192.168.1.1. The remote desktop has a gateway 192.168.2.1.
I need to configure the remote site so that all Internet traffic will be routed via the Home Office. I have to make sure that whatever it is plugged into the Ethernet on the RVS4000 port will have its Internet traffic routed through the Internet connection on the SA520. Currently I can ping any device on the headquarters of the remote desktop, but I can't ping anything beyond the gateway (192.168.1.1) in the Home Office.
Any help would be greatly appreciated.
Thank you.
Hi William, the rvs4000 does not support the tunnel or esp transfer wild-card.
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Hello world
First of all thanks for the invaluable information this community offers technicians everywhere... I'm newish to IPSEC VPN and I have a question.
I have a DMZ PATed host to a public IP address. I've set up an IPSEC tunnel (with an external body on my outside interface) to allow this host reach a host computer in this organization. The VPN is not come. I am told to implement NAT exemption for the DMZ host IPSEC traffic to the host outside. Kindly, how can I do this?
Kind regards
Mumo
OK, no problem :)
for 8.2 (5), you can try the following config:
object network DMZ-net 172.16.1.0 255.255.255.0object network Remote-net 10.1.1.0 255.255.255.0access-list asa_dmz_nat0_outbound extended permit ip object DMZ-net object Remote-netnat (DMZ) 0 access-list asa_dmz_nat0_outbound
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Singapore:
See the race
ASA 2.0000 Version 4
!
ASA5515-SSG520M hostname
activate the encrypted password of PVSASRJovmamnVkD
names of
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security-level 100
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interface GigabitEthernet0/2
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<--- more="" ---="">
!
<--- more="" ---="">
interface GigabitEthernet0/3
<--- more="" ---="">
Shutdown
<--- more="" ---="">
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<--- more="" ---="">
no level of security
<--- more="" ---="">
no ip address
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interface GigabitEthernet0/4
Shutdown
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no level of security
no ip address
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interface GigabitEthernet0/5
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interface Management0/0
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connection of the banner ^ C please disconnect if you are unauthorized access ^ C
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boot system Disk0: / asa922-4-smp - k8.bin
passive FTP mode
network of the SG object
<--- more="" ---="">
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network of the MK object
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service of the TCP_5938 object
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Team Viewer description
service tcp_3306 object
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service tcp_465 object
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service tcp_587 object
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service of the TCP_9000 object
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network of the Inside_host object
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service tcp_1111 object
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service tcp_7878 object
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service tcp_5060 object
SIP, service tcp destination eq
<--- more="" ---="">
service tcp_5080 object
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pager lines 24
Enable logging
timestamp of the record
exploitation forest-size of the buffer of 30000
debug logging in buffered memory
recording of debug trap
debugging in the history record
asdm of logging of information
host test 192.168.168.231 record
host test 192.168.168.203 record
Within 1500 MTU
MTU 1500 DMZ
Outside 1500 MTU
test MTU 1500
management of MTU 1500
no failover
<--- more="" ---="">
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 7221.bin
don't allow no asdm history
ARP timeout 14400
no permit-nonconnected arp
NAT (inside, outside) static source SG SG static destination MK MK non-proxy-arp-search to itinerary
!
network of the SG object
NAT dynamic interface (indoor, outdoor)
network of the Inside_host object
NAT (inside, outside) interface static 9000 9000 tcp service
inside_access_in access to the interface inside group
Access-group OUTSIDE_IN in interface outside
Route outside 0.0.0.0 0.0.0.0 160.83.172.x 1
Route inside 10.0.1.0 255.255.255.0 192.168.15.199 1
Route inside 10.0.2.0 255.255.255.0 192.168.15.199 1
Route inside 10.0.11.0 255.255.255.0 192.168.15.199 1
Route inside 10.1.0.0 255.255.0.0 192.168.15.199 1
Route inside 10.8.0.0 255.255.0.0 192.168.15.199 1
Route inside 10.104.0.0 255.255.0.0 192.168.15.199 1
Route inside 192.168.8.0 255.255.255.0 192.168.15.199 1
Timeout xlate 03:00
Pat-xlate timeout 0:00:30
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
<--- more="" ---="">
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
identity of the user by default-domain LOCAL
the ssh LOCAL console AAA authentication
Enable http serverCommunity trap SNMP-server host test 192.168.168.231 *.
No snmp server location
No snmp Server contact
Server enable SNMP traps syslog
Crypto ipsec transform-set ikev1 VPN-TRANSFORM esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA aes - esp esp-sha-hmac
<--- more="" ---="">
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA-TRANS-aes - esp esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-TRANS-aes - esp esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA-TRANS esp-aes-192 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5-TRANS esp-aes-192 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA-TRANS esp-aes-256 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5-TRANS esp-aes-256 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 SHA-ESP-3DES esp-3des esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-SHA-TRANS esp-3des esp-sha-hmac
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<--- more="" ---="">
Crypto ipsec transform-set ikev1 esp ESP-DES-MD5-esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-DES-SHA-TRANS esp - esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-MD5-TRANS esp - esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-DES-MD5-TRANS mode transit
Crypto ipsec pmtu aging infinite - the security association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 define ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
crypto CRYPTO - map 2 map corresponds to the address outside_cryptomap
card crypto CRYPTO-map 2 set peer 103.246.3.54
card crypto CRYPTO-map 2 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
card crypto CRYPTO-map 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
CRYPTO-card interface card crypto outside
trustpool crypto ca policy
Crypto ikev1 allow outside
IKEv1 crypto policy 10
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400Console timeout 0
management of 192.168.1.2 - dhcpd address 192.168.1.254
enable dhcpd management
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
SSL encryption rc4-aes128-sha1 aes256-3des-sha1 sha1 sha1
internal GroupPolicy1 group strategy
attributes of Group Policy GroupPolicy1
Ikev1 VPN-tunnel-Protocol
username, password admin eY/fQXw7Ure8Qrz7 encrypted privilege 15
username gmsadmin password HS/VyK0jtJ/PANQT encrypted privilege 15
tunnel-group 143.216.30.7 type ipsec-l2l
tunnel-group 143.216.30.7 General-attributes
Group Policy - by default-GroupPolicy1
<--- more="" ---="">
IPSec-attributes tunnel-group 143.216.30.7
IKEv1 pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
Overall description
class inspection_default
inspect the preset_dns_map dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
<--- more="" ---="">
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
Review the ip options
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
Cryptochecksum:ccce9a600b491c8db30143590825c01d
: endMalaysia:
:
ASA 2.0000 Version 4
!
hostname ASA5515-SSG5-MK
activate the encrypted password of PVSASRJovmamnVkD
names of
!
interface GigabitEthernet0/0
nameif inside
security-level 100
IP 192.168.6.70 255.255.255.0
!
interface GigabitEthernet0/1
nameif DMZ
security-level 50
IP 192.168.12.2 255.255.255.0
!
interface GigabitEthernet0/2
nameif outside
security-level 0
IP 143.216.30.7 255.255.255.248
<--- more="" ---="">
!
interface GigabitEthernet0/3
Shutdown
No nameif
no level of security
no ip address
!
interface GigabitEthernet0/4
Shutdown
No nameif
no level of security
no ip address
!
interface GigabitEthernet0/5
nameif test
security-level 100
IP 192.168.168.218 255.255.255.0
!
interface Management0/0
management only
nameif management
security-level 100
IP 192.168.1.1 255.255.255.0
!
<--- more="" ---="">
Interface Port - Channel 1
No nameif
no level of security
IP 1.1.1.1 255.255.255.0
!
boot system Disk0: / asa922-4-smp - k8.bin
passive FTP mode
clock timezone GMT + 8 8
network of the SG object
192.168.15.0 subnet 255.255.255.0
network of the MK object
192.168.6.0 subnet 255.255.255.0
service of the TCP_5938 object
Service tcp destination eq 5938
Team Viewer description
service tcp_3306 object
Service tcp destination eq 3306
service tcp_465 object
tcp destination eq 465 service
service tcp_587 object
Service tcp destination eq 587
service tcp_995 object
tcp destination eq 995 service
service of the TCP_9000 object
<--- more="" ---="">
tcp destination eq 9000 service
network of the Inside_host object
Home 192.168.6.23
service tcp_1111 object
Service tcp destination eq 1111
service tcp_7878 object
Service tcp destination eq 7878
service tcp_5060 object
SIP, service tcp destination eq
service tcp_5080 object
Service tcp destination eq 5080
network of the NETWORK_OBJ_192.168.2.0_24 object
192.168.6.0 subnet 255.255.255.0
inside_access_in list extended access allowed object SG ip everything
VPN-INTERESTING-TRAFFIC extended access list permit ip object MK SG
OUTSIDE_IN list extended access permit tcp any newspaper EQ 9000 Inside_host object
outside_cryptomap to access extended list ip 192.168.6.0 allow 255.255.255.0 object SG
pager lines 24
Enable logging
timestamp of the record
exploitation forest-size of the buffer of 30000
debug logging in buffered memory
recording of debug trap
asdm of logging of information
<--- more="" ---="">
host test 192.168.168.231 record
host test 192.168.168.203 record
Within 1500 MTU
MTU 1500 DMZ
Outside 1500 MTU
test MTU 1500
management of MTU 1500
reverse IP check management interface path
no failover
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 7221.bin
don't allow no asdm history
ARP timeout 14400
no permit-nonconnected arp
NAT (inside, outside) static source MK MK static destination SG SG route no-proxy-arp-search
NAT (inside, outside) static source NETWORK_OBJ_192.168.2.0_24 NETWORK_OBJ_192.168.2.0_24 static destination SG SG route no-proxy-arp-search
!
network of the MK object
NAT dynamic interface (indoor, outdoor)
network of the Inside_host object
NAT (inside, outside) interface static 9000 9000 tcp service
inside_access_in access to the interface inside group
Access-group OUTSIDE_IN in interface outside
Route outside 0.0.0.0 0.0.0.0 143.216.30.x 1
<--- more="" ---="">
Route inside 10.2.0.0 255.255.0.0 192.168.6.200 1
Route inside 10.6.0.0 255.255.0.0 192.168.6.200 1
Route inside 192.168.254.0 255.255.255.0 192.168.6.200 1
Timeout xlate 03:00
Pat-xlate timeout 0:00:30
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
identity of the user by default-domain LOCAL
AAA authentication http LOCAL console
the ssh LOCAL console AAA authentication
Enable http serverNo snmp server location
No snmp Server contact
Crypto ipsec transform-set ikev1 VPN-TRANSFORM esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA aes - esp esp-sha-hmac
<--- more="" ---="">
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA-TRANS-aes - esp esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-TRANS-aes - esp esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA-TRANS esp-aes-192 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5-TRANS esp-aes-192 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA-TRANS esp-aes-256 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5-TRANS esp-aes-256 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 SHA-ESP-3DES esp-3des esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-SHA-TRANS esp-3des esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-TRANS esp-3des esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-SHA esp - esp-sha-hmac
<--- more="" ---="">
Crypto ipsec transform-set ikev1 esp ESP-DES-MD5-esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-DES-SHA-TRANS esp - esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-MD5-TRANS esp - esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-DES-MD5-TRANS mode transit
Crypto ipsec pmtu aging infinite - the security association
crypto CRYPTO - map 2 map corresponds to the address outside_cryptomap
card crypto CRYPTO-map 2 set peer 160.83.172.8
card crypto CRYPTO-map 2 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
CRYPTO-card interface card crypto outside
trustpool crypto ca policy
Crypto ikev1 allow outside
IKEv1 crypto policy 10
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
SSH timeout 60
SSH group dh-Group1-sha1 key exchange
Console timeout 0
management of 192.168.1.2 - dhcpd address 192.168.1.254
enable dhcpd management
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
SSL encryption rc4-aes128-sha1 aes256-3des-sha1 sha1 sha1
attributes of Group Policy DfltGrpPolicy
Ikev1 VPN-tunnel-Protocol l2tp ipsec without ssl-client
internal GroupPolicy1 group strategy
attributes of Group Policy GroupPolicy1
Ikev1 VPN-tunnel-Protocol
username, password admin eY/fQXw7Ure8Qrz7 encrypted privilege 15
username gmsadmin password HS/VyK0jtJ/PANQT encrypted privilege 15
<--- more="" ---="">
tunnel-group MK SG type ipsec-l2l
IPSec-attributes tunnel-group MK-to-SG
IKEv1 pre-shared-key *.
tunnel-group 160.83.172.8 type ipsec-l2l
tunnel-group 160.83.172.8 General-attributes
Group Policy - by default-GroupPolicy1
IPSec-attributes tunnel-group 160.83.172.8
IKEv1 pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
<--- more="" ---="">
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
Review the ip options
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
Cryptochecksum:d41d8cd98f00b204e9800998ecf8427e
: endGood news, that VPN has been implemented!
According to the ping problem, my suggestion is to check, if some type of firewall based on host computers on both sides block ICMP requests.
Anyway, you can still use the capture of packets on the inside of the interfaces of the two ASAs, to check if the ICMP traffic is to reach the ASA.
In addition, you can try to enable ICMP inspection:
Policy-map global_policy
class inspection_defaultinspect the icmp
inspect the icmp error
-
How to apply internet traffic in VPN tunnel users
Hello
Perhaps it is a simple matter to most of you, but it confuses me right now.
Here's my situation:
home - internet - ASA 5510 users - CORP LAN
We have remote Ipsec VPN and anyconnect VPN, I think that the solution must work on two of them.
My question is: "how to apply internet traffic user home to the VPN tunnel?
We have "split tunnel" to only"'interesting traffic' VPN tunnel access LAN CORP.
but now I need apply all traffic (internet + CORP LAN) user through VPN tunnel passes.
so far, I did what I know:
1. remove the "split tunnle" group policy
2. the address in "remote user VPN address pool" are perhaps NAT/PAT travers ASA5510
but I don't get why it doesn't work.
all suggestions are appreciate!
Thank you!
A few things to configure:
(1) Split tunnel policy to be passed under split in tunnelall tunnel
(2) configure NAT on the external interface to PAT to the same global address.
(3) configure "allowed same-security-traffic intra-interface" so that the tunnel VPN for Internet traffic can make a u-turn.
Please share the current configuration if the foregoing still does not solve the problem. Thank you.
-
9.0 can a dynamic nat be used via ipsec vpn?
9.0 can a dynamic nat be used via ipsec vpn?
We have a vpn and work between asa and when we run traffic through a static nat rule traffic goes over the vpn. When we use a dynamic nat traffic does not get picked up by the ACL vpn.
We disable the nat rules to switch back and just so, even when we use the same destination to source the result is the same.
Am I missing something with 9.0 versions of code? If I disable all the nats and pass traffic it goes via the vpn.
So, it seems that when you use the dynamic nat statement, it pushes traffic to the external interface without looking at the acl of vpn. Please let me know if I'm crazy, I'm a newb on 8.3 zip code.
Thank you
Have you included in the ACL crytop natted ip address or range?
You allowed natted ip address or range to the other end of the tunnel?
-
IOS IPSEC VPN with NAT - translation problem
I'm having a problem with IOS IPSEC VPN configuration.
/*
crypto ISAKMP policy 10
BA 3des
preshared authentication
Group 2
ISAKMP crypto keys TEST123 address 205.xx.1.4
!
!
Crypto ipsec transform-set esp-3des esp-sha-hmac CHAIN
!
!
Map 10 CRYPTO map ipsec-isakmp crypto
the value of 205.xx.1.4 peer
transformation-CHAIN game
match address 115
!
interface FastEthernet0/0
Description FOR the EDGE ROUTER
IP address 208.xx.xx.33 255.255.255.252
NAT outside IP
card crypto CRYPTO-map
!
interface FastEthernet0/1
INTERNAL NETWORK description
IP 10.15.2.4 255.255.255.0
IP nat inside
access-list 115 permit 192.xx.xx.128 0.0.0.3 ip 172.xx.1.0 0.0.0.3
*/
(This configuration is incomplete / NAT configuration needed)
Here is the solution that I'm looking for:
When a session is initiated from the "internal network" to the "distance IPSEC - 172.xx.1.0/30 ' network I want the address scheme '10.15.0.0/16' NAT translation deals with '192.xx.xx.128/30' before forwarding via the IPSEC VPN Tunnel.
For more information, see "SCHEMA ATTACHED".
Any help is greatly appreciated!
Thank you
Clint Simmons
Network engineer
You can try the following NAT + route map approach (method 2 in this link)
http://www.Cisco.com/en/us/Tech/tk648/tk361/technologies_tech_note09186a0080093fca.shtml
Thank you
Raja K
-
Microsoft l2tp IPSec VPN site to site ASA on top
I have a specialized applications casino that requires end-to-end encryption. I'm under the stack of Microsoft IPSec l2tp between my XP machine and my Windows 2003 server on the LAN. Can I use the same type of protocol stack Microsoft l2tp IPSec between my XP machine and the Windows Server 2003 a branch on the SAA to site to site ASA VPN tunnel? The VPN site-to site ASA is a type of key Preshare IPSec VPN tunnelle traffic between our head office and a branch in distance.
In other words, the ASA site-to-site IPSec VPN will allow Microsoft l2tp through IPSec encrypted traffic? My ACL tunnel would allow full IP access between site. Something like:
name 192.168.100.0 TexasSubnet
name 192.168.200.0 RenoSubnet
IP TexasSubnet 255.255.255.0 RenoSubnet 255.255.255.0 allow Access-list extended nat_zero
Hello
Yes, the L2TP can be encapsulated in IPSEC as all other traffic.
However, make sure that no NAT is performed on each end. L2TP is a default header protection which will see NAT as a falsification of package and reject it.
See you soon,.
Daniel
-
I have an asa 5505 connected to another asa in the main site. the ipsec vpn is established and on the side of a remote client, I can use a static IP of this subnet addreess and browse the web and access and ping with the main site inside response.
However, I can't receive any ip from the dhcp server, even if it is enabled on the asa 5505. If I put in a static IP address all right, but that's not realistic. Here is the config on the 5505. Thank you.
ASA Version 9.1 (4)
!
ASA5505 hostname
names of
!
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
Description of Access Point
!
interface Ethernet0/7
!
interface Vlan1
nameif inside
security-level 100
IP 10.25.40.200 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
IP 15.15.15.35 255.255.255.0
!
boot system Disk0: / asa914 - k8.bin
permit same-security-traffic inter-interface
permit same-security-traffic intra-interface
network of the NETWORK_OBJ_10.25.40.0_24 object
10.25.40.0 subnet 255.255.255.0
the object of the 10.0.0.0 network
subnet 10.0.0.0 255.0.0.0
network of 10.1.0.0 object
10.1.0.0 subnet 255.255.0.0
access extensive list ip 10.25.40.0 inside_nat0_outbound allow 255.255.255.0 any
Inside_access_in of access allowed any ip an extended list
Inside_access_in list extended access permit icmp any one
access extensive list ip 10.25.40.0 outside_cryptomap allow 255.255.255.0 any
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 721.bin
don't allow no asdm history
ARP timeout 14400
no permit-nonconnected arp
NETWORK_OBJ_10.25.40.0_24 NETWORK_OBJ_10.25.40.0_24 Shared source (indoor, outdoor) destination NAT static 10.1.0.0 10.1.0.0 route no-proxy-arp-search
Route outside 0.0.0.0 0.0.0.0 15.15.15.3. 1
dynamic-access-policy-registration DfltAccessPolicy
identity of the user by default-domain LOCAL
the ssh LOCAL console AAA authentication
Enable http server
http 10.1.0.0 255.255.255.0 inside
http 10.1.11.0 255.255.255.0 inside
http 10.25.40.0 255.255.255.0 inside
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA-TRANS-aes - esp esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-TRANS-aes - esp esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA-TRANS esp-aes-192 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5-TRANS esp-aes-192 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA-TRANS esp-aes-256 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5-TRANS esp-aes-256 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 SHA-ESP-3DES esp-3des esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-SHA-TRANS esp-3des esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-TRANS esp-3des esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ikev1 esp ESP-DES-MD5-esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-DES-SHA-TRANS esp - esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-MD5-TRANS esp - esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-DES-MD5-TRANS mode transit
Crypto ipsec ikev2 AES256 ipsec-proposal
Protocol esp encryption aes-256
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 ipsec-proposal AES192
Protocol esp encryption aes-192
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 ipsec-proposal AES
Esp aes encryption protocol
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 proposal ipsec 3DES
Esp 3des encryption protocol
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 ipsec-proposal OF
encryption protocol esp
Esp integrity sha - 1, md5 Protocol
Crypto ipsec pmtu aging infinite - the security association
card crypto outside_map 1 match address outside_cryptomap
peer set card crypto outside_map 1 15.15.15.3.250
card crypto outside_map 1 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
outside_map card crypto 1 set ikev2 AES256 AES192 AES 3DES ipsec-proposal OF
outside_map interface card crypto outside
trustpool crypto ca policy
IKEv2 crypto policy 1
aes-256 encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 10
aes-192 encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 20
aes encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 30
3des encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 40
the Encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
Crypto ikev1 allow outside
IKEv1 crypto policy 10
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 65535
preshared authentication
3des encryption
sha hash
Group 2
life 86400
management-access inside
vpnclient Server 15.15.15.3.250
vpnclient mode network-extension-mode
vpnclient nem-st-autoconnect
L2TUN vpnclient vpngroup password
vpnclient L2LVPN username password
dhcpd outside auto_config
!
dhcprelay Server 10.1.0.1 outside
dhcprelay allow inside
dhcprelay setroute inside
time-out of 60 dhcprelay
a basic threat threat detection
threat detection statistics
a statistical threat detection tcp-interception rate-interval 30 burst-400-rate average rate 200
attributes of Group Policy DfltGrpPolicy
VPN-tunnel-Protocol ikev1, ikev2 clientless ssl
GroupPolicy_15.15.15.3 group policy. internal
GroupPolicy_15.15.15.3 group policy. attributes
VPN-tunnel-Protocol ikev1, ikev2
tunnel-group 15.15.15.3. type ipsec-l2l
tunnel-group 15.15.15.3. IPSec-attributes
IKEv1 pre-shared-key
remote control-IKEv2 pre-shared-key authentication
pre-shared-key authentication local IKEv2
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
message-length maximum 512
type of policy-card inspect scansafe https-pmap
parameters
httpstraffic of group by default
HTTPS
Policy-map global_policy
CFS-http-class description
class inspection_default
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the netbios
inspect the tftp
Review the ip options
type of policy-card inspect scansafe cws_https-pmap
parameters
httpstraffic of group by default
HTTPS
type of policy-card inspect scansafe cws_http_pmap
parameters
httptraffic of group by default
http
type of policy-card inspect scansafe http-pmap
parameters
httptraffic of group by default
http
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
call-home
Profile of CiscoTAC-1
no active account
http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address
email address of destination [email protected] / * /
destination-mode http transport
Subscribe to alert-group diagnosis
Subscribe to alert-group environment
Subscribe to alert-group monthly periodic inventory
monthly periodicals to subscribe to alert-group configuration
daily periodic subscribe to alert-group telemetry
: end
ASDM image disk0: / asdm - 721.bin
don't allow no asdm historyI did have to do it myself, but a message on this site (link) describes how we can make it work.
Unfortunately you will have to static NAT to 1-1 for address outside your local site, but in your case, this interface is itself dedicated DHCP.
Another solution would be to run a DHCP server on the itself 5505 vs relay on your primary DHCP server.
-
communications between IPSec VPN and AnyConnect SSLVPN
Hi all
I have 2 ASAs and interconnected with ipsec VPN.
one of the ASA has SSLVPN users to access intranet resources.
but do not know how to get inside the network on an another ASA
my network architecture is less to:
192.168.1.0/24---ASA1---Internet---ASA2---172.24.0.0/16
SSLVPN use 192.168.55.0/24 ip on the external interface
L2L IPSec VPN is established between ASA1 and ASA2
192.168.1.x could access 172.24.0.0/16 via NATing to of ASA2 inside the ip interface
But now I want 192.168.55.0/24 access 172.24.0.0/16, some set up but does not work...
Are there any suggestions?
Thank you very much
Hi the split tunnel, you add with the ASA2 network should allow vpn clients send the traffic through the tunnel when they want to reach the remote subnet.
Can add you this too
nonat_outside ip access list allow
NAT (outside) 0-list of access nonat_outside
Also in the config you have not added the crypto to ASA1 acl entry. who is 192.168.55.0 to 172.24.0.0
See if that helps
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