Creating a VPN Tunnel without RFC1918 subnets
Hi all
I was prompted to configure a Cisco router to one of our partners using a method with which I am familiar. That is why I hope someone here can guide me in the right direction. Essentially the establishment should be like this:
At one end there is a firewall with an IP address of 123.123.123.1 (all wrong FT). This must be the VPN endpoint. Behind this firewall is a server with a private IP 172.16.1.1. This private IP address is NAT due 123.123.123.2.
Now at the other end is a VPN router with an IP address of 234.234.234.1. It is another VPN endpoint. There is another internal server with the IP 10.0.0.1. I don't want to create an external NAT for this IP address that is internal if possible.
Essentially, I need to get 172.16.1.1 and 10.0.0.1 to communicate with each other via a VPN, but NOT to use their IP addresses in the VPN tunnel.
What is the best way to achieve this? Any help would be appreciated!
Craig
This configuration should do the trick for you...
Tags: Cisco Security
Similar Questions
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How to create vpn tunnel
Nina
can be a little more specific to what you want to achieve?
--
Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
http://www.Kiva.org/invitedBy/karsteni -
How to get to the VPN tunnel to the subnet 2/3
I have not yet tried something else a few years back I got on my back which head with an ASA firewall you cannot route traffic to a subnet of second or third (it's 2 or 3 jumps away) on a same VPN tunnel if you add routes to all LAN subnets in all required firewall and tunnels.
I know other manufacturers such as SonicWall, here you can do it, so the question is, is possible in the firewall Cisco ASA with version 7.07 and 7.2.4? If this is not the case, is it possible in a future release? and if this is not possible, how can I make it work? I can't work with a firewall router 1 LAN to LAN s 3?
Attached are also a network card for the visualization of all subnets.
Thanks in advance
Johan Mannerstrom
ICT technician
If the firewall HQ is already connected to LAN2 (way I mean), then you have even connect an interface on the firewall of HQ and in him giving an ip address that belongs to LAN2. As firewall HQ has a route to 192.168.20.0/24 and 18.0/24 and vice versa, that's enough.
And you're on the point on the rest of the steps you have provided regarding the config.
And of course, you must configure matching exemption to ACL and NAT image mirror on the remote VPN encryption too.
-
Hello guys,.
I have an ASA 5505 firewall tries to create a VPN tunnel from site to site with a router of 2621 running Advanced IP services. The tunnel keeps do not and I don't know why. Below is the config.
!
hostname SeCuReWaLL
domain default.domain.invalid
activate 2KFQnbNIdI.2KYOU encrypted password
2KFQnbNIdI.2KYOU encrypted passwd
names of
name 192.168.2.0 outside
name 192.168.3.0 inside
!
interface Vlan1
Description of network links extended to outside of the
nameif outside
security-level 0
192.168.2.101 IP address 255.255.255.0
!
interface Vlan2
Description within a private network
nameif inside
security-level 100
address 192.168.3.1 IP 255.255.255.0
!
interface Ethernet0/0
!
interface Ethernet0/1
switchport access vlan 2
!
interface Ethernet0/2
Shutdown
!
interface Ethernet0/3
Shutdown
!
interface Ethernet0/4
Shutdown
!
interface Ethernet0/5
Shutdown
!
interface Ethernet0/6
Shutdown
!
interface Ethernet0/7
Shutdown
!
boot system Disk0: / asa822 - k8.bin
passive FTP mode
DNS server-group DefaultDNS
domain default.domain.invalid
allow inside_access_in to access extended list ip inside outside 255.255.255.0 255.255.255.0
outside_access_in list extended access permit icmp any any echo response
site_router to access extended list ip inside 255.255.255.0 allow 192.168.5.0 255.255.255.0
pager lines 24
Outside 1500 MTU
Within 1500 MTU
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 625.bin
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access site_router
NAT (inside) 1 inside 255.255.255.0
Access-group outside_access_in in interface outside
Route outside 0.0.0.0 0.0.0.0 192.168.2.1 1
Outdoor 192.168.5.0 255.255.255.0 192.168.2.107 1
Timeout xlate 03:00
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
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
HTTP inside 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-3des esp-sha-hmac secure_set
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
peer set card crypto ipsec_map 10 192.168.2.107
card crypto ipsec_map 10 transform-set secure_set
ipsec_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
md5 hash
Group 5
lifetime 28800
Telnet timeout 5
SSH timeout 5
Console timeout 0
dhcpd dns 192.168.2.1
!
dhcpd address 192.168.3.10 - 192.168.3.40 inside
dhcpd allow inside
!a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
username admin privilege 15 encrypted password f3UhLvUj1QsXsuK7
tunnel-group 192.168.2.107 type ipsec-l2l
IPSec-attributes tunnel-group 192.168.2.107
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 netbios
inspect the rsh
inspect the rtsp
inspect the skinny
inspect esmtp
inspect sqlnet
inspect sunrpc
inspect the tftp
inspect the sip
inspect xdmcp
Review the ip options
!
global service-policy global_policy
context of prompt hostname
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
Cryptochecksum:a6ffc4e9572dbee8e526c3013a96a510
: end!
InternetRouter hostname
!
boot-start-marker
boot-end-marker
!
!
No aaa new-model
no location network-clock-participate 1
No network-clock-participate wic 0
IP cef
!
!
!
!
no ip domain search
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
crypto ISAKMP policy 10
BA 3des
md5 hash
preshared authentication
Group 5
lifetime 28800
key cisco address 192.168.2.101 crypto ISAKMP xauth No.
!
!
Crypto ipsec transform-set esp-3des secure_set
!
ipsec_map 10 ipsec-isakmp crypto map
defined peer 192.168.2.101
Set transform-set secure_set
match the address router_site
!
!
!
!
interface Loopback0
192.168.5.1 IP address 255.255.255.0
!
interface FastEthernet0/0
IP 192.168.2.107 255.255.255.0
automatic duplex
automatic speed
ipsec_map card crypto
!
interface Serial0/0
no ip address
Shutdown
!
interface FastEthernet0/1
no ip address
Shutdown
automatic duplex
automatic speed
!
interface Serial0/1
no ip address
Shutdown
!
IP route 192.168.3.0 255.255.255.0 192.168.2.101
!
!
IP http server
no ip http secure server
!
router_site extended IP access list
ip licensing 192.168.5.0 0.0.0.255 192.168.3.0 0.0.0.255
!
!
!
!
control plan
!
!
!
Voice-port 1/0/0
!
Voice-port 1/0/1
!
Voice-port 1/1/0
!
Voice-port 1/1/1
!
!
!
!
!
!
!
!
Line con 0
exec-timeout 0 0
Synchronous recording
line to 0
line vty 0 4
opening of session
!
!
endInternetRouter #debug isakmp crypto
Crypto ISAKMP debug is on
InternetRouter #ping
Protocol [ip]:
Target IP address: 192.168.3.10
Number of repetitions [5]:
Size of datagram [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Address source or interface: 192.168.5.1
Type of service [0]:
Set the DF bit in the IP header? [None]:
Validate the response data? [None]:
Data model [0xABCD]:
In bulk, Strict, Record, Timestamp, Verbose [no]:
Scan the range of sizes [n]:
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 192.168.3.10, time-out is 2 seconds:
Packet sent with the address source 192.168.5.1* 01:49:47.699 Mar 1: ISAKMP: ke received message (1/1)
* 01:49:47.699 Mar 1: ISAKMP: (0:0:N / A:0): THE application profile is (NULL)
* 01:49:47.699 Mar 1: ISAKMP: created a struct peer 192.168.2.101, peer port 500
* 01:49:47.699 Mar 1: ISAKMP: new created position = 0x8553C778 peer_handle = 0 x 80000013
* 01:49:47.699 Mar 1: ISAKMP: lock struct 0x8553C778, refcount IKE peer 1 for isakmp_initiator
* 01:49:47.699 Mar 1: ISAKMP: 500 local port, remote port 500
* 01:49:47.699 Mar 1: ISAKMP: set new node 0 to QM_IDLE
* 01:49:47.703 Mar 1: insert his with his 84074CC8 = success
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): cannot start aggressive mode, try the main mode.
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): found peer pre-shared key matching 192.168.2.101
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): built the seller-07 ID NAT - t
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): built of NAT - T of the seller-03 ID
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): built the seller-02 ID NAT - t
* 01:49:47.703 Mar 1: ISAKMP: (0:0:N / A:0): entry = IKE_MESG_FROM_IPSEC, IKE_SA_REQ_MM
* 01:49:47.707 Mar 1: ISAKMP: (0:0:N / A:0): former State = new State IKE_READY = IKE_I_MM1* 01:49:47.707 Mar 1: ISAKMP: (0:0:N / A:0): early changes of Main Mode
* 01:49:47.707 Mar 1: ISAKMP: (0:0:N / A:0): send package to 192.168.2.101 my_port 500 peer_port 500 (I) MM_NO_STATE
* 01:49:47.711 Mar 1: ISAKMP (0:0): packet received 192.168.2.101 dport 500 sport Global 500 (I) MM_NO_STATE
* 01:49:47.711 Mar 1: ISAKMP: (0:0:N / A:0): entry = IKE_MESG_FROM_PEER, IKE_MM_EXCH
* 01:49:47.711 Mar 1: ISAKMP: (0:0:N / A:0): former State = new State IKE_I_MM1 = IKE_I_MM2* 01:49:47.715 Mar 1: ISAKMP: (0:0:N / A:0): treatment ITS payload. Message ID = 0
* 01:49:47.715 Mar 1: ISAKMP: (0:0:N / A:0): load useful vendor id of treatment
* 01:49:47.715 Mar 1: ISAKMP: (0:0:N / A:0): supplier code seems the unit/DPD but major incompatibilite.123
* 01:49:47.715 Mar 1: ISAKMP: (0:0:N / A:0): provider ID is NAT - T v2
* 01:49:47.719 Mar 1: ISAKMP: (0:0:N / A:0): load useful vendor id of treatment
* 01:49:47.719 Mar 1: ISAKMP: (0:0:N / A:0): supplier code seems the unit/DPD but major incompatibility of 194
* 01:49:47.719 Mar 1: ISAKMP: (0:0:N / A:0): found peer pre-shared key matching 192.168.2.101
* 01:49:47.719 Mar 1: ISAKMP: (0:0:N / A:0): pre-shared key local found
* 01:49:47.719 Mar 1: ISAKMP: analysis of the profiles for xauth...
* 01:49:47.719 Mar 1: ISAKMP: (0:0:N / A:0): audit ISAKMP transform 1 against the policy of priority 10
* 01:49:47.719 Mar 1: ISAKMP: 3DES-CBC encryption
* 01:49:47.719 Mar 1: ISAKMP: MD5 hash
* 01:49:47.719 Mar 1: ISAKMP: group by default 5
* 01:49:47.719 Mar 1: ISAKMP: pre-shared key auth
* 01:49:47.723 Mar 1: ISAKMP: type of life in seconds
* 01:49:47.723 Mar 1: ISAKMP: life (basic) of 28800
* 01:49:47.723 Mar 1: ISAKMP: (0:0:N / A:0): atts are acceptable. Next payload is 0
* 1 Mar 01:49:48.119: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.119: ISAKMP:(0:1:SW:1): vendor ID seems the unit/DPD but major incompatibility of 123
* 1 Mar 01:49:48.123: ISAKMP:(0:1:SW:1): vendor ID is NAT - T v2
* 1 Mar 01:49:48.123: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.123: ISAKMP:(0:1:SW:1): vendor ID seems the unit/DPD but major incompatibility of 194
* 01:49:48.123 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_MAIN_MODE
* 01:49:48.123 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM2 = IKE_I_MM2* 1 Mar 01:49:48.127: ISAKMP:(0:1:SW:1): sending package to 192.168.2.101 my_port 500 peer_port 500 (I) MM_SA_SETUP
* 01:49:48.127 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_COMPLETE
* 01:49:.48.131 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM2 = IKE_I_MM3* 01:49:48.383 Mar 1: ISAKMP (0:134217729): packet received 192.168.2.101 dport 500 sport Global 500 (I) MM_SA_SETUP
* 01:49:48.383 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_FROM_PEER, IKE_MM_EXCH
* 01:49:48.383 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM3 = IKE_I_MM4* 1 Mar 01:49:48.387: ISAKMP:(0:1:SW:1): processing KE payload. Message ID = 0
* 1 Mar 01:49:48.887: ISAKMP:(0:1:SW:1): processing NONCE payload. Message ID = 0
* 01:49:48.887 Mar 1: ISAKMP: (0:1:SW:1): found peer pre-shared key matching 192.168.2.101
* 01:49:48.891 Mar 1: ISAKMP: (0:1:SW:1): SKEYID generated State
* 1 Mar 01:49:48.891: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.891: ISAKMP:(0:1:SW:1): vendor ID is the unit
* 1 Mar 01:49:48.891: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.891: ISAKMP:(0:1:SW:1): vendor ID seems the unit/DPD but major incompatibility of 145
* 1 Mar 01:49:48.891: ISAKMP:(0:1:SW:1): vendor ID is XAUTH
* 1 Mar 01:49:48.895: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.895: ISAKMP:(0:1:SW:1): speaking to another box of IOS!
* 1 Mar 01:49:48.895: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 01:49:48.895 Mar 1: ISAKMP: (0:1:SW:1): supplier code seems the unit/DPD but hash mismatch
* 01:49:48.895 Mar 1: ISAKMP: receives the payload type 20
* 01:49:48.895 Mar 1: ISAKMP: receives the payload type 20
* 01:49:48.895 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_MAIN_MODE
* 01:49:48.899 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM4 = IKE_I_MM4* 01:49:48.899 Mar 1: ISAKMP: (0:1:SW:1): send initial contact
* 01:49:48.899 Mar 1: ISAKMP: (0:1:SW:1): ITS been pr.e using id ID_IPV4_ADDR type shared-key authentication
* 01:49:48.899 Mar 1: ISAKMP (0:134217729): payload ID
next payload: 8
type: 1
address: 192.168.2.107
Protocol: 17
Port: 500
Length: 12
* 01:49:48.903 Mar 1: ISAKMP: (0:1:SW:1): the total payload length: 12
* 1 Mar 01:49:48.903: ISAKMP:(0:1:SW:1): sending package to 192.168.2.101 my_port 500 peer_port 500 (I) MM_KEY_EXCH
* 01:49:48.907 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_COMPLETE
* 01:49:48.907 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM4 = IKE_I_MM5* 01:49:48.907 Mar 1: ISAKMP (0:134217729): packet received 192.168.2.101 dport 500 sport Global 500 (I) MM_KEY_EXCH
* 1 Mar 01:49:48.911: ISAKMP:(0:1:SW:1): payload ID for treatment. Message ID = 0
* 01:49:48.911 Mar 1: ISAKMP (0:134217729): payload ID
next payload: 8
type: 1
address: 192.168.2.101
Protocol: 17
Port: 0
Length: 12
* 1 Mar 01:49:48.911: ISAKMP:(0:1:SW:1): peer games * no * profiles
* 1 Mar 01:49:48.911: ISAKMP:(0:1:SW:1): HASH payload processing. Message ID = 0
* 01:49:48.915 Mar 1: ISAKMP: received payload type 17
* 1 Mar 01:49:48.915: ISAKMP:(0:1:SW:1): load useful vendor id of treatment
* 1 Mar 01:49:48.915: ISAKMP:(0:1:SW:1): vendor ID is DPD
* 01:49:48.915 Mar 1: ISAKMP: (0:1:SW:1): SA authentication status:
authenticated
* 01:49:48.915 Mar 1: ISAKMP: (0:1:SW:1): SA has been authenticated with 192.168.2.101
* 01:49:48.915 Mar 1: ISAKMP: attempts to insert a 192.168.2.107/192.168.2.101/500/ peer and inserted 8553 778 successfully.
* 01:49:48.919 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_FROM_PEER, IKE_MM_EXCH
* 01:49:48.919 Mar 1: ISAKMP: (0:1:SW:1.): O State of LD = new State IKE_I_MM5 = IKE_I_MM6* 01:49:48.919 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_MAIN_MODE
* 01:49:48.919 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM6 = IKE_I_MM6* 01:49:48.923 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PROCESS_COMPLETE
* 01:49:48.923 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_I_MM6 = IKE_P1_COMPLETE* 01:49:48.927 Mar 1: ISAKMP: (0:1:SW:1): start Quick Mode Exchange, M - ID of 590019425
* 1 Mar 01:49:48.931: ISAKMP:(0:1:SW:1): sending package to 192.168.2.101 my_port 500 peer_port 500 (I) QM_IDLE
* 01:49:48.931 Mar 1: ISAKMP: (0:1:SW:1): entrance, node-590019425 = IKE_MESG_INTERNAL, IKE_INIT_QM
* 01:49:48.931 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_QM_READY = IKE_QM_I_QM1
* 01:49:48.931 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PHASE1_COMPLETE
* 01:49:48.935 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_P1_COMPLETE = IKE_P1_COMPLETE* 01:49:48.939 Mar 1: ISAKMP (0:134217729): packet received 192.168.2.101 dport 500 sport Global 500 (I) QM_IDLE
* 01:49:48.939 Mar 1: ISAKMP: node set 330122531 to QM_IDLE
* 1 Mar 01:49:48.943: ISAKMP:(0:1:SW:1): HASH payload processing. Message ID = 330122531
* 1 Mar 01:49:48.943: ISAKMP:(0:1:SW:1): treatment protocol NOTIFIER INVALID_ID_INFO 1
0, message ID SPI = 330122531, a = 84074CC8
* 01:49:48.943 Mar 1: ISAKMP: (0:1:SW:1): the peer is not paranoid KeepAlive.* 01:49:48.943 Mar 1: ISAKMP: (0:1:SW:1): remove the reason for HIS "fatal Recevied of information' State (I) QM_IDLE (ext. 192.168.2.101)
* 01:49:48.943 Mar 1: ISAKMP: (0:1:SW:1): remove error node 330122531 FALSE reason 'informational (en) st.
Success rate is 0% (0/5)
InternetRouter #ate 1 "
* 01:49:48.943 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_FROM_PEER, IKE_INFO_NOTIFY
* 01:49:48.947 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_P1_COMPLETE = IKE_P1_COMPLETE* 01:49:48.947 Mar 1: ISAKMP (0:134217729): packet received 192.168.2.101 dport 500 sport Global 500 (I) QM_IDLE
* 01:49:48.951 Mar 1: ISAKMP: node set-412204705 to QM_IDLE
* 1 Mar 01:49:48.951: ISAKMP:(0:1:SW:1): sending package to 192.168.2.101 my_port 500 peer_port 500 (I) QM_IDLE
* 01:49:48.951 Mar 1: ISAKMP: (0:1:SW:1): purge the node-412204705
* 01:49:48.955 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_INTERNAL, IKE_PHASE1_DEL
* 01:49:48.955 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_P1_COMPLETE = IKE_DEST_SA* 01:49:48.955 Mar 1: ISAKMP: (0:1:SW:1): removal of HIS State "No reason" why (I) QM_IDLE (ext. 192.168.2.101)
* 01:49:48.955 Mar 1: ISAKMP: Unlocking IKE struct 0x8553C778 for isadb_mark_sa_deleted(), count 0
* 01:49:48.959 Mar 1: ISAKMP: delete peer node by peer_reap for 192.168.2.101: 8553 778
* 01:49:48.959 Mar 1: ISAKMP: (0:1:SW:1): error in node-590019425 FALSE reason for deletion "deleted IKE."
* 01:49:48.959 Mar 1: ISAKMP: (0:1:SW:1): node error 330122531 FALSE reason for deletion "removed IKE."
* 01:49:48.959 Mar 1: ISAKMP: (0:1:SW:1): entry = IKE_MESG_FROM_PEER, IKE_MM_EXCH
* 01:49:48.959 Mar 1: ISAKMP: (0:1:SW:1): former State = new State IKE_DEST_SA = IKE_DEST_SAHello
I gave a quick scan here for the configuration on both devices, found two or three commands are missing from the configuration of the ASA
ASA
---card crypto ipsec_map 10 correspondence address site_router
outside_access_in list extended access udp allowed any any eq 500
outside_access_in list extended access udp allowed any any eq 4500
outside_access_in list extended access allow esp a wholeI'm assuming pre shared key defined on ASA cisco is the same on router
On router
---------Try running the following commands: -.
No crypto ipsec transform-set esp-3des secure_set
Crypto ipsec transform-set esp-3des esp-sha-hmac secure_setAt the time of the opening of the tunnel, please gather at the debug crypto isa 127 output and debug crypto ipsec 127 of ASA
You can also check the configuration below document link
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a00805e8c80.shtml
Ignore the map route on router configuration contained in the above document *.
HTH...
Kind regards
Mohit -
VPN tunnel with only one authorized service
Hello
has got a pix 520 with V 6.22. Now, I created a VPN Tunnel from our server to a
annother company server and I only want to have ssh connection. If it works
pretty good - but the other host, it is possible to connect on our host by
ICMP, ftp, telnet... How can I manage configured my pix to refuse all this
services?
Here is my configuration:
name 10.x.x.x ffmz1_is
name 212.x.x.x conliner_os
conliner_ssh name 192.168.0.250
object-group network conliner
object-network 192.168.0.0 255.255.255.0
access list on the inside to allow icmp host ffmz1_is a
access-list inside permit TCP host ffmz1_is any ftp eq
access-list inside allow host ffmz1_is udp any eq smtp
access-list inside allow host ffmz1_is host conliner_ssh eq ssh tcp
no_nat list of allowed access host ip conliner object-group ffmz1_is
access-list allowed conliner host ip conliner object-group ffmz1_is
...
crypto VPN 30 card matches the address conliner
card crypto VPN 30 set peer conliner_os
...
Thank you very much
The sole purpose of "ipsec sysopt connection permit" is to allow traffic through a tunnel to bypass access-groups. It is not necessary to use it, but then you must explicitly allow traffic you want through your access list.
The command is very useful when you need to establish a vpn using the cisco customer remotely. Because you must use dynamic crypto maps and you don't know the IP address of the peer, if you didn't have the sysopt command, you will need to allow traffic from an source.
And you don't have to open all ports for the PIX to be able to establish the tunnel with its ipsec peer.
You need to allow udp 500 and protocol 50-51 when ipsec traffic through your firewall. Let's say you have another PIX inside who wants to establish a vpn on your main PIX with a third PIX on the outside, you must open the ports in your main PIX.
-
Site to Site VPN working without Crypto Card (ASA 8.2 (1))
Hi all
Find a strange situation on our firewall to ASA5540:
We have a few Site to Site VPN and also activate on the ASA VPN cleint, all are working properly. But finding that a VPN from Site to Site is running without crypto map configuration. Is this possible?
I tried to erase isa his and claire ipsec his then VPN came once again. Tested too, it's the ping requests to a remote site through the VPN.
I saw there are config tunnel-group for VPN but saw no card crypto and ACL.
How is the firewall knows what traffic should be encrypted for this VPN tunnel without crypto card?
This is the bug?
Thanks in advance,
It can be an easy vpn configuration.
Could you post output config operation remove any sensitive information. This could help us answer your question more specifically.
-
Interpret what is allowed on the VPN tunnel
Hello
I work with Cisco PIX equipment for the first time and I'm trying to understand what is allowed on one of the VPN tunnels which are established on the PIX.
I interpret this PIX did by reading the running configuration. I was able to understand most of it (with the help of the cisco site), so I'm starting to get comfortable with it. I'm looking for more help in the interpretation of what is allowed by a good VPN tunnel. Here are some details:
map Cyril 2 ipsec-isakmp crypto
Cyril 2 crypto card matches the acl-vpntalk address
access list acl-vpntalk allowed ip object-group my_inside_network 172.17.144.0 255.255.255.0
So, if I interpret it correctly, then the traffic matching ACL acl-vpntalk will go on the VPN tunnel.
As far as the lists others access dedicated, my inner interface I have:
Access-group acl-Interior interface inside
With ACL-Interior:
access list acl-Interior ip allow a whole
So nothing complicated there.
Now, just because of all this I conclude I encouraged all remote network traffic in my site. If all traffic 172.17.144.0/24 is allowed to join my network.
However, I don't know if this conclusion is correct.
This ACL is also applied:
Access-group acl-outside in external interface
And it looks like:
deny access list acl-outside ip a
I'm not sure if this ACL applies to vehicles coming from the IPSEC peer. It's for sure inbound on the external interface, but if it is valid for the IPSEC traffic I don't know.
If it is valid, then am I had reason to conclude that only connections initiated from my inside network to the remote control can come back?
Thanks in advance for your ideas.
With sincere friendships.
Kevin
Hey Kevin,
Here are my comments, hope you find them useful:
1. the ACL called "acl-vpntalk" sets traffic who will visit the IPSec tunnel, so you got that right. All traffic from the group called "my_inside_network" will 172.17.144.0/24 will pass through the tunnel, and there should be a similar to the other VPN end opposite ACL.
2. the 'acl-inside' applied to the inside interface allows any ip traffic coming out of the isnide to any destination.
3. the 'acl-outside' rejects all traffic from entering your home network, but the IPSec traffic is free and will cross because you will find a "sysopt connection permit-ipsec' configured on your PIX command that tells the operating system to allow all traffic destined for VPN tunnels without explicitly enabling it through the inbound ACL. If you have stopped the "sysopt" should stop your traffic and you will have more control on your tunnel traffic.
Personally, I usually disable the "sysopt" and control the VPN traffic in my incoming ACL.
Just a quick note, if you look more deeply into the ACL on the PIX functionality, you will find that no traffic moves inside, if she is not allowed on the external interface. For example, you can allow traffic between "inside" and "dmz" interfaces by adding an entry 'allow' on one of the ACLS applied to one of these interfaces. But when you want to allow traffic from the external interface (security level 0), you will need to allow in the inbound ACL applied on the external interface.
I could have written something vague, but I hope you get my point.
Thank you.
Salem.
-
VPN Tunnel access to several subnets ASA 5505
Greetings,
We spent a little time trying to configure our ASA 5505 in order to TUNNEL into several different subnets. Subnets include 192.168.1.0 / 192.168.2.0 / 192.168.10.0
Someone is about to review this setup running and indicate where we have gone wrong. When I connect via the VPN Client, I can access the 192.168.1.0 network, no problem. But fail to reach the other two. Thank you very much.
Output from the command: 'show running-config '.
: Saved
:
ASA Version 8.2 (5)
!
hostname BakerLofts
activate kn7RHw13Elw2W2eU encrypted password
2KFQnbNIdI.2KYOU encrypted passwd
names of
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
switchport access vlan 12
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.1.254 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
IP 74.204.54.4 255.255.255.248
!
interface Vlan12
nameif Inside2
security-level 100
IP address 192.168.10.254 255.255.255.0
!
passive FTP mode
permit same-security-traffic inter-interface
permit same-security-traffic intra-interface
vpn_splitTunnelAcl list standard access allowed 192.168.1.0 255.255.255.0
outside_access_in of access allowed any ip an extended list
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.3.0 255.255.255.0
Inside2_access_in of access allowed any ip an extended list
permit Inside2_nat0_outbound to access extended list ip 192.168.10.0 255.255.255.0 192.168.3.0 255.255.255.0
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
MTU 1500 Inside2
IP local pool vpn 192.168.3.1 - 192.168.3.254 mask 255.255.255.0
no failover
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 1 0.0.0.0 0.0.0.0
NAT (outside) 0 192.168.3.0 255.255.255.0 outside
NAT (Inside2) 0-list of access Inside2_nat0_outbound
NAT (Inside2) 1 0.0.0.0 0.0.0.0
Access-group outside_access_in in interface outside
Access-group Inside2_access_in in the interface Inside2
Route outside 0.0.0.0 0.0.0.0 74.204.54.1 1
Timeout xlate 03:00
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
AAA authentication enable LOCAL console
AAA authentication LOCAL telnet console
Enable http server
http 192.168.1.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
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
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value 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 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
Crypto ca trustpoint _SmartCallHome_ServerCA
Configure CRL
Crypto ca certificate chain _SmartCallHome_ServerCA
certificate ca 6ecc7aa5a7032009b8cebcf4e952d491
308204 4 a0030201 d 308205ec 0202106e cc7aa5a7 032009b 8 cebcf4e9 52d 49130
010105 05003081 09060355 04061302 55533117 ca310b30 0d 864886f7 0d06092a
30150603 55040 has 13 0e566572 69536967 6e2c2049 6e632e31 1f301d06 0355040b
13165665 72695369 676e2054 72757374 204e6574 776f726b 313 has 3038 06035504
0b 133128 63292032 30303620 56657269 5369676e 2c20496e 632e202d 20466f72
20617574 7a 656420 75736520 6f6e6c79 31453043 06035504 03133c 56 686f7269
65726953 69676e20 436c 6173 73203320 5075626c 69632050 72696 72792043 61 d
65727469 66696361 74696f6e 20417574 686f7269 7479202d 20473530 1e170d31
30303230 38303030 3030305a 170d 3230 30323037 32333539 35395a 30 81b5310b
30090603 55040613 02555331 17301506 0355040a 130e5665 72695369 676e2c20
496e632e 311f301d 06035504 0b 131656 65726953 69676e20 54727573 74204e65
74776f72 6b313b30 5465726d 20757365 20617420 73206f66 39060355 040b 1332
68747470 7777772e 733a2f2f 76657269 7369676e 2e636f6d 2f727061 20286329
302d 0603 55040313 26566572 69536967 61737320 33205365 6e20436c 3130312f
63757265 20536572 76657220 20473330 82012230 0d06092a 864886f7 4341202d
010101 05000382 010f0030 82010 0d has 02 b187841f 82010100 c20c45f5 bcab2597
a7ada23e 9cbaf6c1 39b88bca c2ac56c6 e5bb658e 444f4dce 6fed094a d4af4e10
9c688b2e 957b899b 13cae234 34c1f35b f3497b62 d188786c 83488174 0253f9bc
7f432657 5833833b 330a17b0 d04e9124 ad867d64 12dc744a 34a11d0a ea961d0b
15fca34b 3bce6388 d0f82d0c 948610ca b69a3dca eb379c00 48358629 5078e845
1941 4ff595ec 7b98d4c4 71b350be 28b38fa0 b9539cf5 ca2c23a9 fd1406e8 63cd
18b49ae8 3c6e81fd e4cd3536 b351d369 ec12ba56 6e6f9b57 c58b14e7 0ec79ced
4a546ac9 4dc5bf11 b1ae1c67 81cb4455 33997f24 9b3f5345 7f861af3 3cfa6d7f
81f5b84a d3f58537 1cb5a6d0 09e4187b 384efa0f 01 has 38201 02030100 df308201
082b 0601 05050701 01042830 26302406 082 b 0601 db303406 05050730 01861868
7474703a 2f2f6f63 73702e76 65726973 69676e2e 636f6d30 12060355 1 d 130101
ff040830 02010030 70060355 b 200469 30673065 060, 6086 480186f8 1 d 060101ff
45010717 03305630 2806082b 06010505 07020116 1 c 687474 70733a2f 2f777777
2e766572 69736967 6e2e636f 6d2f6370 73302 has 06 082 b 0601 05050702 02301e1a
1 c 687474 70733a2f 2f777777 2e766572 69736967 6e2e636f 6d2f7270 61303406
03551d1f 042d302b 3029 has 027 a0258623 68747470 3a2f2f63 726c2e76 65726973
69676e2e 636f6d2f 2d67352e 70636133 63726c 30 0e060355 1d0f0101 ff040403
02010630 6d06082b 06010505 07010c 59305730 55160969 5da05b30 04 61305fa1
6 d 616765 2f676966 3021301f 2b0e0302 30070605 1a04148f e5d31a86 ac8d8e6b
c3cf806a d448182c 7b192e30 25162368 7474703a 2f2f6c6f 676f2e76 65726973
69676e2e 636f6d2f 76736c6f 676f2e67 69663028 0603551d 11042130 1fa41d30
1 b 311930 17060355 04031310 56657269 5369676e 4d504b49 2d322d36 301D 0603
445 1653 44c1827e 1d20ab25 f40163d8 be79a530 1f060355 c 1604140d 551d0e04
1 230418 30168014 7fd365a7 c2ddecbb f03009f3 4339fa02 af333133 300 d 0609 d
2a 864886 05050003 82010100 0c8324ef ddc30cd9 589cfe36 b6eb8a80 f70d0101
4bd1a3f7 9df3cc53 ef829ea3 a1e697c1 589d756c e01d1b4c fad1c12d 05c0ea6e
b2227055 d9203340 3307c 265 83fa8f43 379bea0e 9a6c70ee f69c803b d937f47a
99 c 71928 8705 404167d 1 273aeddc 866d 24f78526 a2bed877 7d494aca 6decd018
481d22cd 0b0b8bbc f4b17bfd b499a8e9 762ae11a 2d876e74 d388dd1e 22c6df16
b62b8214 0a945cf2 50ecafce ff62370d ad65d306 4153ed02 14c8b558 28a1ace0
5becb37f 954afb03 c8ad26db e6667812 4ad99f42 fbe198e6 42839b8f 8f6724e8
6119b5dd cdb50b26 058ec36e c4c875b8 46cfe218 065ea9ae a8819a47 16de0c28
6c2527b9 deb78458 c61f381e a4c4cb66
quit smoking
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet 192.168.1.0 255.255.255.0 inside
Telnet timeout 5
SSH timeout 5
Console timeout 0
dhcpd outside auto_config
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal vpn group policy
attributes of vpn group policy
value of server DNS 8.8.8.8
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list vpn_splitTunnelAcl
username, password samn aXJbUl92B77AGcc. encrypted privilege 0
samn attributes username
Strategy-Group-VPN vpn
username password encrypted QUe2MihLFbj2.Iw0 privilege 0 jmulwa
username jmulwa attributes
Strategy-Group-VPN vpn
jangus Uixpk4uuyEDOu9eu username encrypted password
username jangus attributes
Strategy-Group-VPN vpn
vpn tunnel-group type remote access
VPN tunnel-group general attributes
vpn address pool
Group Policy - by default-vpn
Tunnel vpn ipsec-attributes group
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
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
anonymous reporting remote call
Cryptochecksum:d41d8cd98f00b204e9800998ecf8427e
: end
I see two problems:
1. your ASA has not an interior road to the Incas inside networks. You must add:
Route inside 192.168.2.0 255.255.255.0
Route inside 192.168.10.0 255.255.255.0
.. .specifying your gateway address of these networks.
2. the statement "access-list standard vpn_splitTunnelAcl permit 192.168.1.0 255.255.255.0" sends only a route for 192.168.1.0/24 to your customer. You need to add entries for the other two networks.
-
On Pix VPN tunnel to the same subnet
I have a customer who want to set up a the PIX VPN tunnel located on each site. For some reason, each side has the same subnet number, for example. 10.10.10.x/32. I'm sure we must run NAT, but is it possible.
This can help
http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a00800949f1.shtml
-
VPN tunnel cascade w / SW NSA FWs
Hello
I have questions about VPN cascading between 3 firewall SonicWALL NSA. Let me explain my situation and what I want to achieve.
As shown in the diagram above, I have 3 branches connected to the Internet, which advanced to the LAN is the NSA SW FW. There is a VPN tunnel between each site: Site_A Site_ B, Site_A Site_ C, Site_B Site_ C. The Internet of the Site A traffic is redirected to the Site B. This Site A Cross Site B to access the Internet and LAN B. Site A through C access LAN C Site.
My question is: is it possible to remove the tunnel VPN Site_A-Site_C to and instead, through Site B to C LAN access? If so, how you can achieve this configuration?
What worries me is the VPN tunnel options that allow you to redirect all Internet traffic or a specific destination of LAN through objects (screenshots from Site A) address:
Without the redirection of Internet traffic, I thought about creating a group of addresses, including 2 B LAN and LAN C address objects. But I want to keep the Internet through Site B traffic redirection.
What do you think?
Thanks in advance for your help.
Hello
My comments below:
If you route indeed all traffic from A to B, the following must fill.
1. remove the tunnel A C
Ok.
2. site B will have A subnet that is defined as a local resource for C
Do you mean this by local resource?
3 C is going to have A subnet defined as remote resource
Ok.
If you route any traffic from A to B, the following must fill.
First step would be to remove the tunnel VPN between A and C, but I guess that you have assumed that it was already done.
1. define the C subnet as a remote resource on Site A
Yes, like a remote network for the A - B VPN tunnel.
2. tunnel of site B to A will need to subnet C defined as local resource
Ok.
3. tunnel of site B and C will need subnet defined as local resource
Ok.
4. the site will need to subnet C has defined as remote resource
Yes.
I'll do a test soon with 3 sites and see how it goes.
-
Hello
I use a software called TheGreenbow IPSec VPN Client to create a VPN to my RVS4000 tunnel. I have used this software for a long time with my old BEFSX41 router with no problems. My settings are almost identical to the parameters of the site Web of TheGreenbow: Guide of Config .
My problem is the following...
I have successfully created a tunnel. I can ping my devices on network without the drama. If I close that tunnel and attempt to open another, my client tells me that the tunnel is open, even if the router says it's down. I can't ping my network and my logs tell me I have an INVALID COOKIE error. I understand that this means that one of my endpoints using a SA which is no longer in use. Seems that the router is 'pending' on an old SA document. The only way I can solve this is to make a change (no change) to the router so that I have to press the button to save the changes. This seems to reset the router endpoint and the next tunnel I opened works correctly. It of fine when I'm at home and testing and may reset the router but impossible to deal with when I am on the road and actually use the tunnel.
Someone knows a problem like this before and have any advice on settings I can adjust to the problem?
Thanks in advance.
Milster
Sorry people I could have solved.
The router is new, so I checked the firmware version and there had been a number of updates to version my router supplied with. Improved v1.1.11 to v1.2.11 and initial test seems solid.
See you soon
Milster
-
People,
You can help me understand how I can fix the following issues I have with a 1721 router (Version 12.3 (8) T5) and client VPN 4.6.01.x please.
BTW, the server at 192.168.3.2 is a file, DNS, WINS server and proxy for the LAN environment. All the staff of the PC is required to use the proxy but visitors on the 192.168.2.0 network can access the internet directly.
Back to my questions. I have the obligation to set up a VPN tunnel to connect to a PC that is running Terminal Server services / remote desktop on a PC to 192.168.1.9. When running the VPN software on the laptop I get a login prompt and everything seems fine. I ping the addresses of router and that works.
But the three things I don't understand:
1. I can't telnet with great success to the loopback address of the router, as well as other addresses 192.168.x.x. very well, but why is it possible that I can telnet to the 192.168.4.1 loopback address?
2. I can't DRC to the server on 192.168.3.2. The server can (and) accepts connections on a subnet, I created the network of 192.168.6.x I put up as VLAN6 on SEA4 (the port of spare on the map of ether 4 ports). The only thing I did not in the configuration of the interface was the nat ip within the statement.
3. I can't do a nslookup through the tunnel VPN (delays all the time) and neither can I http to the IIS server on the same 192.168.3.2 box. What I mean here is that other applications seem to work except telnet!)
Then...:
Why the telnet is so special? I thought that if I could telnet to the router, then I should be able to access the server. And before ask you, there is no firewall or whatever it is executed on the server by stopping this stupid connections. Hey, I'm the guy from router, not the jockey of server!
I've managed to misinterpret the statement "corresponds to the address 105" in the cryptomap? The ACL would reflect the traffic flow both ways?
I should have a statement of hash in the section of "crypto isakmp policy 5. The client indicates that the connection is OK then why should I need it?
I appreciate your time to help. I was scratching my head a lot in the last two days.
Timothy
Your NAT config, it is what kills you here. You can telnet to the router interface, because then the NAT configuration does not take effect (because NAT doesn't happen for passing traffic THROUGH the router, FOR her). You must refuse the IPSec traffic to be NAT would have, otherwise, it does not match the encryption access list and is not encrypted on the way back.
Your 100 access list is incorrect, remove it and add in the following:
access-list 100 deny ip 192.168.0.0 0.0.255.255 192.168.5.0 0.0.0.255
access-list 100 permit ip 192.168.0.0 0.0.255.255 everything
That said NAT VPN traffic does 192.168.5.0, but NAT do it if he goes anywhere else (Internet).
Also, you seem to have defined a map static encryption for your customer traffic, it is not used and may cause you problems with the list of access-105. Follow these steps to get rid of it and just use the dynamic encryption card:
no card crypto clientmap 1
You just need to have dynamic instance map (number 20) crypto left in your config file.
-
How to change an existing in ASDM VPN tunnel?
I currently have a VPN tunnel together upwards, but to change some of the configurations as making ikev2, replacing the SHA512 hash and change it in the DH group 14. I intend to do this in ASDM. I already created a group of tunnel ikev2 that I put the tunnel and created a Card Crypto that is configured with the right proposal ikev2 IPSec and Diffie-Hellman group. All other configurations such as the IP of Peer address and subnets configured and I'll work with the engineers at the other end of the tunnel to ensure that configurations are, I want to just make sure I'm not missing anything. Someone at - he never comes to change the configuration of an existing ASDM so tunnel, and it worked correctly? Here are the steps that I have will be taken as well as those I've already mentioned:
-Edit the connection profile so that the name of group policy use the correct tunnel that was created for ikev2
-Enter the pre-shared key local and remote pre-shared key ikev2 tab
-Change the IKE Policy so that it uses the ikev2 policy that was created to use SHA512
-Modify the IPSEC proposal so that it uses AES256-SHA512
-THE CRYPTO MAP IS ALREADY CREATED
-Change the secret of transfer perfect in group 14
Hello
Let me go through your questions to clarify this double:
1. If I have a Crypto map applied to my external interface with a proposal of IPSec of ikev1 can I just add a proposal ikev2 in this Crypto map as well?
If you have a card encryption applied to different peers outside and 3 with different order number, you will need to replace the proposal for the peer using IKEv2: IKEv2 IKEv1, the others must continue to use their IKEv1 IPSec proposal.
2. so can I add an ikev2 with AES256 SHA512 hash proposal to my 123.123.123.456 tunnel group and continue to have all three tunnel groups always pass traffic? What happens if I add the proposal ikev2, but REMOVE the ikev1 this group of tunnel proposal because I don't want this group of tunnel use one other than AES256-SHA512 hash?
123.123.123.456 - ikev2 - AES256-SHA512
I would like to expand this a little more, if her counterpart 123.123.123.456, must use IKEv2, you need to declare the IKEv2 in the tunnel group and add the relevant "Local and remote PSK"--> is for phase 1, and this means that it will use the IKEv2 defined policy before, and IPSec IKEv2 proposal is on phase 2, where the encryption card is you will need to replace the IKEv1 and use IPSec IKEv2 proposal. That way it will use for the phase 1 of the policy of IKEv2, that you set and defined transformation IKEv2, by making this change make sure that both sides are mirrored with IKEv2 and IPSec policy projects, as well as the tunnel will remain and will come with the new proposals.
This custom affect no matter what another tunnel, as long as you change the settings to the correct tunnel group and do not delete all the proposals, simply remove the profile connection, those employees.
3. you know what I mean? All groups of three tunnels on that off interface use different cryptographic cards, with only two of the three using ikev1 as a proposal of IPSec. Which will work?
You can only have one card encryption applied by interface, and 3 tunnels using different sequence number with the same crypto map name, you cannot 2 tunnels on the same card encryption using IKEV1, and always in the same encryption card have the third tunnel using IKEv2 (different transformation defined using IKEv2). This custom cause no problem.
4. what Group Policy DfltGrpPolicy? Currently use all my groups of tunnel, but it is configured for ikev1. I'm not really sure what role is in everything it can so I simply add ikev2?
Default group policy is added by default to all your groups of tunnel (connection profile), whenever create you one default group policy is inherited him by default, you can change to group policy that you can create, group policy is a set of attributes that will be used to define something or limit , for example, for a site, you can configure a VPN filter (filters the traffic that goes through the tunnel), now back to your topic, you define the protocols that will be negotiated as for an L2L IKEv1 or IKEv2, Anyconnect SSL or IKEv2, on default group policy, and so on, it is therefore important that you add the IKEv2 , so trading will be permitted, or both to create a new group policy and add the IKEv2 Protocol; and in the tunnel group, add the group policy relevant, that you just created.
I hope that this is precisely, keep me posted!
Please go to the note, and mark it as correct this post and the previous that it helped you!
David Castro,
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SA520w routing through site-to-site VPN tunnels
I have several offices that are connected using site-to-site VPN tunnels and all will use the SA520W (firmware 2.1.18). I currently have 3 routers in place, router tunnels created for the router B and c of router. I need assistance with the configuration to allow the guests to router site B get to the router site C. I have attempted to add a static route, but get a destination unreachable host trying to ping. Also, if I connect to the router site has via the Cisco VPN client, I'm not able to get resources on each site, B, or C.
A - the site 10.10.0.0/24
Site B - 10.0.0.0/24
Site of the C - 10.25.0.0/24
Any help is greatly appreciated.
So, that's what you have configured correctly?
RTR_A
||
_____________ || ___________
|| ||
RTR_B RTR_C
Since there is no tunnel between B and C there is no way for us past that traffic through RTR_A for two reasons. The most important reason is that subnet 10.25.0.0/24 (rtr_c) is not allowed to pass through the IPSec tunnel (it's okay to IPSec?) of rtr_a ==> rtr_b. You can't just add a statement of road because your addresses are not routable which is the reason why it fails.
Your only option is to create another tunnel between rtr_b and rtr_c. This may not be the ONLY option, but you should get what you need.
I hope this helps.
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NAT, ASA, 2 neworks and a VPN tunnel
Hello. I have a following question. I am trying to establish a VPN tunnel to a remote network used to be connected to our via a VPN tunnel. The problem is that the previous tunnel their share has been created for the x.x.x.x our coast network which will serve no more time a month, but is currently still active and used. As I'm trying to get this VPN tunnel as soon as possible without going through all the paperwork on the other side (political, don't ask) is it possible to make NAT of the new network in the network x.x.x.x for traffic through the VPN tunnel.
Something like this:
new network-> policy NAT in old x.x.x.x fork on ASA-> VPN tunnel to the remote network using x.x.x.x addresses
It is possible to add the new policy, but sometimes it can conflict with the former.
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