VPN subnet conflict
I have a VPN site-to site between Site A and Site b. Can I create another VPN site to site between Site A and C of the Site when Site C has the same subnet as Site B? Is it possible to NAT, one of the sites, or do I have to re - IP? Thank you!
Site to Site B (192.168.1.0/24) and a (10.10.10.0/24)
Site A (10.10.10.0/24) and Site C (192.168.1.0/24)
Yes this is possible. Site B or C must hide their address with a subnet without conflict. If B and C wish to communicate with each other, both have hide their addresses. This works because NAT is performed before IPSec. If you specify that your translation and your crypto-ACL can use translated addresses.
From my experience: do not! If the sites are not large do a renumbering. It's only a weekend with maximum pain and sleepless. But the double NAT is a permanent pain.
Third solution: If you already have an experience of IPv6 and you only need communication for some servers, you can deploy dual stack and ignore zhe IPv4 addresses conflicting.
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Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
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Tags: Cisco Security
Similar Questions
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How to get several standard via ipsec vpn subnet?
Dear all,
I have this scenario:
A - Hand router
Cisco 881
private network: 10.10.10.0/24
private address: 10.10.10.2
address: xxx.xxx.xxx.xxx
B branch office router
DrayTek vigor 2600
private network: 100.100.100.0/24
private address: 100.100.100.1
sound: .yyy
C - seat router
range Cisco 1800 (no access - not mine)
private network: 10.10.10.0/24
private address: 10.10.10.1
D another subnet in HQ
private network: 10.20.20.0/24
available in C
There is a standard VPN ipsec from A to B due interoperability and compatibility between cisco and draytek. the vpn is in place and works very well.
D is accessible from a C: hole
#ping router ip 10.20.20.15 source vlan 1
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 10.20.20.15, wait time is 2 seconds:
Packet sent with the address 10.10.10.2 source
!!!!!
Success rate is 100 per cent (5/5), round-trip min/avg/max = 52/56/64 msNow, I need reach D from B.
I configured adding the 10.20.20.0/24 routing via vpn subnet B and tested the connection replacing the cisco 881 (A) with an another drytek vigor 2820; Add a static route in the drytek 2820 (10.20.20.0 via 10.10.10.1) make B able to reach successfully the D with ping 10.20.20.15.
After that I tried to divide the acl of tunnel and ping in vain 10.20.20.15 d, I noticed a match in acl:
Router #sh ip access list 101
Expand the access IP 101 list
10 permit ip 10.10.10.0 0.0.0.255 100.100.100.0 0.0.0.255 (3298 matches)
20 permit ip 10.20.20.0 0.0.0.255 100.100.100.0 0.0.0.255 (14 matches)I also tried to prevent NAT from D to B without any match in acl after unsuccessful ping 10.20.20.15 d.
Any suggestion is appreciated.
Gianluca
Hanks for the additional info
So what is happening is the traffic is not getting encrypted, it is hitting the crypto acl but not getting not encrypted
I know you would have checked it already, but please just check once more the entrance to nat and see if you have a deny for this traffic in the acl, nat
We need to know why the tunnel isn't coming for this traffic
could you please confirm wht is crypto ACLs on the other end, that's exactly the mirror image (2 acl), I don't know how the configuration is made at the other end
give the following debug command
Debug ip counterpart condition crypto / / if you have several tunnels will do conditional debugging
Crypto ipsec its debug debug crypto or her (who was never there I think it's a bit confusing)
one thing you can try if down the tunnel is also an option, just erase this tunnel using cry clear isa his id and disable remote session encryption and bring it and see if it happens
Finally, given that I don't know how the other end is configured just try this as the encryption, ACLs on both ends
10.0.0.0 0.255.255.255 100.100.100.0 0.0.0.255
and the reverse on the other end and now try to brining of the tunnel to the top
-
Duplicate remote Lan VPN subnets
Hello Experts,
I have 2 lans DISTANCE double connection via VPN with the ip address of 192.168.70.X and 192.168.70.x
We are already working, but I don't know how to add the second that is listed
exactly the same thing. Not clear how to apply the NAT on my Local router for the second subnet duplicate.
I found this article but he speaks of lans in double on both sides, and it does NOT
http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a00800b07ed.shtml
Is there something similar, but with 2 LAN REMOTE subnets?
Thank you
Randall
Hi, Randall
As far as I know, you will have to do it on the remote end. The problem is that if you have the same address for example 192.168.1.70 arriving from two sites on the same time on your side VPN device will get very confused as to where the return traffic should pass.
You can NAT IP source on your local router to a set of addresses 192.168.70.x addresses, but I still think that the VPN device would not be able to determine what tunnel to send traffic down on the way back.
I appreciate it is not always easy to get the 3rd party to do something, but I think that that's your only choice.
HTH
Jon
-
I'm trying to set up a VPN for use with the Cisco VPN Client. I currently have operational VPN, but I cannot allow access to several subnets connected to the ASA. My current stock of VPN DHCP is 10.0.0.0/24. I want to VPN users to talk to one of my other VLAN (172.16.20.0/24). That's what I can't understand. If I change my VPN DHCP pool to something like 172.16.20.100 - 110 can I talk to about everything on this fine subnet. But as soon as I change the DHCP pool to the other subnet so I can't. Any suggestions?
Here is my config:
Nysyr-SBO-ASA (config) # sh run
: Saved
:
ASA Version 8.4 (1)
!
names of
!
interface Vlan1
No nameif
no level of security
no ip address
!
interface Vlan2
Description connection to the ISP (FiOS)
nameif primaryisp
security-level 0
IP address
!
interface Vlan3
Description secondary connection ISP (Time Warner)
nameif backupisp
security-level 0
IP address
!
interface Vlan5
Description Connection to the subnet internal internet access (192.168.5.0/24)
nameif inside
security-level 100
192.168.5.1 IP address 255.255.255.0
!
interface Vlan20
Description Connection to the internal management network (172.16.20.0/24)
nameif insidemgmt
security-level 100
address 172.16.20.1 IP 255.255.255.0
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
switchport access vlan 3
!
interface Ethernet0/2
switchport access vlan 5
!
interface Ethernet0/3
switchport access vlan 20
!
interface Ethernet0/4
Shutdown
!
interface Ethernet0/5
Shutdown
!
interface Ethernet0/6
Shutdown
!
interface Ethernet0/7
Shutdown
!
passive FTP mode
clock timezone IS - 5
clock to summer time EDT recurring
internal network object
192.168.5.0 subnet 255.255.255.0
network of the object asp-wss-1-tw
Home 192.168.5.11
network of the object asp-wss-1-vz
Home 192.168.5.11
network vpn-ip-pool of objects
10.0.0.0 subnet 255.255.255.0
access-list outside_access_in_1 note access list to allow outside in traffic
outside_access_in_1 list extended access permit tcp any object asp-wss-1-vz eq www
outside_access_in_1 list extended access permit tcp any object asp-wss-1-vz eq https
outside_access_in_1 list extended access permit tcp any object asp-wss-1-tw eq www
outside_access_in_1 list extended access permit tcp any object asp-wss-1-tw eq https
SBOnet_VPN_Tunnel_splitTunnelAcl standard access list allow 172.16.20.0 255.255.255.0
pager lines 24
Enable logging
asdm of logging of information
primaryisp MTU 1500
backupisp MTU 1500
Within 1500 MTU
insidemgmt MTU 1500
vpn-ip-pool 10.0.0.10 mask - 255.255.255.0 IP local pool 10.0.0.250
no failover
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
NAT (inside primaryisp) source Dynamics one interface
NAT (inside backupisp) source Dynamics one interface
!
network of the object asp-wss-1-tw
NAT (inside backupisp) static
network of the object asp-wss-1-vz
NAT (inside primaryisp) static
Access-group outside_access_in_1 in the primaryisp interface
Access-group outside_access_in_1 in the backupisp interface
Route 0.0.0.0 primaryisp 0.0.0.0
1 track 1 Route 0.0.0.0 backupisp 0.0.0.0
10 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
the ssh LOCAL console AAA authentication
Enable http server
http 192.168.5.0 255.255.255.0 inside
http 0.0.0.0 0.0.0.0 primaryisp
http 0.0.0.0 0.0.0.0 backupisp
http 0.0.0.0 0.0.0.0 insidemgmt
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown warmstart of cold start
monitor SLA 123
type echo protocol ipIcmpEcho 8.8.8.8 interface primaryisp
threshold of 3000
frequency 10
Annex ALS life monitor 123 to always start-time now
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
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-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-esp-3des 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-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set ikev1 SHA-ESP-3DES esp-3des esp-sha-hmac
Dynamic crypto map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-AES-256-SHA ikev1
primaryisp_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
card crypto primaryisp_map interface primaryisp
backupisp_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
card crypto backupisp_map interface backupisp
Crypto ca trustpoint ASDM_TrustPoint0
Terminal registration
name of the object CN =
Configure CRL
IKEv2 crypto policy 1
aes-256 encryption
integrity sha
Group 5
FRP sha
second life 86400
Crypto ikev2 enable primaryisp
Crypto ikev2 enable backupisp
Crypto ikev1 enable primaryisp
Crypto ikev1 enable backupisp
IKEv1 crypto policy 30
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
!
track 1 rtr 123 accessibility
Telnet timeout 5
SSH 0.0.0.0 0.0.0.0 primaryisp
SSH 0.0.0.0 0.0.0.0 backupisp
SSH 0.0.0.0 0.0.0.0 insidemgmt
SSH timeout 20
Console timeout 20
No vpn-addr-assign aaa
No dhcp vpn-addr-assign
a basic threat threat detection
statistical threat detection port
Statistical threat detection Protocol
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal SBOnet_VPN_Tunnel group strategy
attributes of Group Policy SBOnet_VPN_Tunnel
Ikev1 VPN-tunnel-Protocol
Split-tunnel-policy tunnelall
value of Split-tunnel-network-list SBOnet_VPN_Tunnel_splitTunnelAcl
attributes of Group Policy DfltGrpPolicy
value of Split-tunnel-network-list SBOnet_VPN_Tunnel_splitTunnelAcl
attributes global-tunnel-group DefaultRAGroup
VPN-ip-pool-pool of addresses (primaryisp)
ip vpn-pool address pool
IPSec-attributes tunnel-group DefaultRAGroup
IKEv1 pre-shared-key *.
type tunnel-group SBOnet_VPN_Tunnel remote access
attributes global-tunnel-group SBOnet_VPN_Tunnel
ip vpn-pool address pool
Group Policy - by default-SBOnet_VPN_Tunnel
IPSec-attributes tunnel-group SBOnet_VPN_Tunnel
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
Review the ip options
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
inspect the icmp
!
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:7a817a8679e586dc829c06582c60811d
: end
keep deleted thos lines, you don't need these lines to your remote access VPN.
Please tell me, what is the default gateway assigned on these hosts sitting on the mgmt network segment?
-
Site to Site VPN NAT conflicts
I have a site to site vpn between my main office and an office. Traffic between flow correctly with the exception of some protocols. My main router has static NAT configured for port 25 and a few others. For each of these protocols that have a static nat, I can't send the traffic from my office to the IP in the static nat
either I can't access port 25 on 172.16.1.1 of my office of the branch of the 172.17.1.1, but I have remote desktop access
It's like my list of NAT is excluding the static entries that follow. I have posted below the configs. Any help would be appreciated.
Main office: 2811
Branch: 1841
Two routers connected to the internet. VPN site to Site between them with the following config
crypto ISAKMP policy 1
BA 3des
md5 hash
preshared authentication
Group 2
isakmp encryption key * address *. ***. * *.116
!
!
Crypto ipsec transform-set esp-3des esp-md5-hmac VPN - TS
!
map VPN-map 10 ipsec-isakmp crypto
set peer *. ***. * *.116
game of transformation-VPN-TS
match address VPN-TRAFFIC
I have two IP addresses on the router principal.122 et.123
There is an installer from the list of the deny on the two routers - that's the main:
overload of IP nat inside source list 100 interface FastEthernet0/0
access-list 100 remark = [Service NAT] =-
access-list 100 deny ip 172.16.0.0 0.0.255.255 172.17.0.0 0.0.255.255
access-list 100 permit ip 172.16.0.0 0.0.255.255 everything
access-list 100 permit ip 172.24.0.0 0.0.255.255 everything
To serve clients vpn no internet, the following nat is configured to send e-mail to exchamge
IP nat inside source static tcp 172.16.1.1 25 *. ***. * expandable 25 *.122
Try to use the nat policy to exclude traffic from your servers to be natted when switching to the branch office network.
Sth like this
STATIC_NAT extended IP access list
deny ip 172.16.1.1 host 172.17.1.0 255.255.255.0 aka nat0 for traffic from the server
allow the ip 172.16.1.1 host a
policy-NAT route map
corresponds to the IP STATIC_NAT
IP nat inside source static tcp 172.16.1.1 25 *. ***. 25-card *.122 of extensible policy-NAT route
-
Receive "the IP is in conflict with the WAN IP subnet" when changes of LAN
Hello
I have the following features:
ProSafe FVS336Gv3
Router R6300v2The static IP setting for the LAN on the Prosafe is 192.168.1.1/255.255.255.0
The static IP setting for the router WAN is 192.168.1.101/255.255.255.0
The static IP setting for the router's local network is 10.9.8.1/255.255.255.0The settings of the router LAN, if I try to disable the DHCP server, I get the message:
The IP address with the IP WAN subnet conflicts. Please enter a different IP address.
Any ideas?
Please notify.
Have a great day,
Don
Eventually be a DNS setting on the WAN port on the router.
-
I need allow users of our subnet VPN access to a Web server on our DMZ.
Both the inbound ACL is correct, but I'm not sure of what would be the translation.
Our VPN subnet is 172.16.140.0/24 and our DMZ is 172.16.110.0/24
Any help would be appreciated. BTW, it's an ASA5510
access-list no.-NAT-DMZ scope ip 172.16.110.0 allow 255.255.255.0 172.16.140.0 255.255.255.0
NAT (DMZ) access-list no.-Nat-DMZ
You had the acl above in your acl No. - Nat, but is exonerated for the inside interface nat. The LCD will never match. If you simply need to create an exemption for the DMZ with the acl nat appropriate.
-
A subnet to VPN L2L stop periodically
I have two running software version 8.2 2 of Cisco ASA 5520 implemented in an HA pair. The L2L vpn is set up and works as expected between this site and the other. The question that every few months, a VPN subnet, the same as all the time, is the transmission/reception of traffic stops. The device at the remote location is not a Cisco device, but I am certain that the problem lies in the SAA as when I switch to the slave device that the VPN is working again, without back rest however with the subnet not still not transiting traffic. I need to reboot the device until it starts to forward traffic on the subnet again.
Has anyone ever heard talk about this before? Any help will be much appreciated.
Thank you
Chris
This could be related to CSCtb53186 or CSCtd36473 , which caused some IPSec security associations stop encrypting the traffic. The problem has not been seen since 8.2.2.9 and later then you can know an upgrade to a more current version.
Todd
-
several routers (wired) on the same network subnet error.
Currently I use an EA2700 router connected to my modem cable as well as a few other features.
I ran out of ports on this and I would like to put another router (WRV54G (bridge mode)) @ the end of one of my cable runs and use its lan ports as well.
Simple so far.
So I change (Router 2) c. i. static ip address Type, give it an IP 192.168.1.2 (1st router is set to 192.168.1.1)
Disable DHCP Local (Router 2), save settings...
Popup says "with the subnet lan wan subnet conflicts."
How to solve this?
Thanks in advance.
-D-
Solved this problem.
Changed 2 routers static ip 192.168.2.1
Default gateway - 192.168.1.1
Primary DNS-192.168.1.1
Gateway IP 192.168.1.105
and the 1st router booked 192.168.1.105
Also had to add/change dns auxiliary preferredand in the properties of tcp/ip to connect to the Local network to my preferred dns
Seems to work as it should now.
-D-
-
ASA 5515 - Anyconnect - inside the subnet connection problem
Hi all
I have a problem with the connection to the Interior/subnet using Anyconnect SSL VPN.
ASA worm. 5515
Please find below of configuration:
User access audit
ASA1 # show running-config
: Saved
:
ASA 9.1 Version 2
!
hostname ASA1
activate 8Ry2YjIyt7RRXU24 encrypted password
volatile xlate deny tcp any4 any4
volatile xlate deny tcp any4 any6
volatile xlate deny tcp any6 any4
volatile xlate deny tcp any6 any6
volatile xlate deny udp any4 any4 eq field
volatile xlate deny udp any4 any6 eq field
volatile xlate deny udp any6 any4 eq field
volatile xlate deny udp any6 any6 eq field
2KFQnbNIdI.2KYOU encrypted passwd
names of
mask of local pool swimming POOLS-for-AnyConnect 10.0.70.1 - 10.0.70.50 IP 255.255.255.0
!
interface GigabitEthernet0/0
nameif outside
security-level 0
address IP A.A.A.A 255.255.255.240
!
interface GigabitEthernet0/1
nameif inside
security-level 100
192.168.64.1 IP address 255.255.255.0
!
interface GigabitEthernet0/2
nameif dmz
security-level 20
address IP B.B.B.B 255.255.255.0
!
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
Shutdown
No nameif
no level of security
no ip address
!
interface Management0/0
management only
Shutdown
No nameif
no level of security
no ip address
!
passive FTP mode
network of the OBJ_GENERIC_ALL object
subnet 0.0.0.0 0.0.0.0
network outside_to_inside_FR-Appsrv01 object
Home 192.168.64.232
network outside_to_dmz_fr-websvr-uat object
Home 10.20.20.14
network inside_to_dmz object
192.168.64.0 subnet 255.255.255.0
gtc-tomcat network object
Home 192.168.64.228
network of the USA-Appsrv01-UAT object
Home 192.168.64.223
network of the USA-Websvr-UAT object
Home 10.20.20.13
network vpn_to_inside object
10.0.70.0 subnet 255.255.255.0
extended access list acl_out permit everything all unreachable icmp
acl_out list extended access permit icmp any any echo response
acl_out list extended access permit icmp any one time exceed
acl_out list extended access permit tcp any object outside_to_inside_FR-Appsrv01 eq 3389
acl_out list extended access permit tcp any object outside_to_inside_FR-Appsrv01 eq 28080
acl_out list extended access permit tcp any object outside_to_inside_FR-Appsrv01 eq 9876
acl_out list extended access permit udp any object outside_to_inside_FR-Appsrv01 eq 1720
acl_out list extended access permit tcp any object outside_to_dmz_fr-websvr-uat eq www
acl_out list extended access permit tcp any object outside_to_dmz_fr-websvr-uat eq https
acl_out list extended access permit tcp any object outside_to_dmz_fr-websvr-uat eq 3389
acl_out list extended access permit tcp any object USA-Appsrv01-UAT eq 9876
acl_out list extended access permit udp any eq USA-Appsrv01-UAT object 1720
acl_out list extended access permit tcp any object USA-Websvr-UAT eq www
acl_out list extended access permit tcp any USA-Websvr-UAT eq https object
acl_out list extended access permit tcp any object USA-Websvr-UAT eq 3389
acl_out list extended access permit tcp any object USA-Appsrv01-UAT eq 3389
acl_dmz list extended access permit icmp any any echo response
acl_dmz of access allowed any ip an extended list
acl_dmz list extended access permitted tcp object object to outside_to_dmz_fr-websvr-uat gtc-tomcat eq 8080
acl_dmz list extended access permitted tcp object object to outside_to_dmz_fr-websvr-uat gtc-tomcat eq 8081
acl_dmz list extended access permitted tcp object object to outside_to_dmz_fr-websvr-uat gtc-tomcat eq 3389
acl_dmz list extended access permitted tcp object USA-Websvr-UAT object USA-Appsrv01-UAT eq 8080
acl_dmz list extended access permitted tcp object USA-Websvr-UAT object USA-Appsrv01-UAT eq 8081
access extensive list ip 192.168.64.0 gtcvpn2 allow 255.255.255.0 10.0.70.0 255.255.255.0
pager lines 24
Outside 1500 MTU
Within 1500 MTU
MTU 1500 dmz
no failover
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
no permit-nonconnected arp
NAT dynamic interface of OBJ_GENERIC_ALL source (indoor, outdoor)
NAT (inside, outside) static source all all static destination vpn_to_inside vpn_to_inside
!
network outside_to_inside_FR-Appsrv01 object
NAT static x.x.x.x (indoor, outdoor)
network outside_to_dmz_fr-websvr-uat object
NAT (dmz, outside) static x.x.x.x
network of the USA-Appsrv01-UAT object
NAT static x.x.x.x (indoor, outdoor)
network of the USA-Websvr-UAT object
NAT (dmz, outside) static x.x.x.x
Access-group acl_out in interface outside
Access-group acl_dmz in dmz interface
Route outside 0.0.0.0 0.0.0.0 B.B.B.B 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
Enable http server
http 192.168.64.204 255.255.255.255 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown warmstart of cold start
Crypto ipsec pmtu aging infinite - the security association
Crypto ca trustpoint ASDM_TrustPoint0
registration auto
name of the object CN = ASA1
GTCVPN2 key pair
Configure CRL
trustpool crypto ca policy
string encryption ca ASDM_TrustPoint0 certificates
certificate of 19897d 54
308201cf 30820138 a0030201 02020419 897d 864886f7 0d 010105 5430 0d06092a
0500302c 3111300f 06035504 03130851 57455354 32343031 17301506 092a 8648
09021608 51574553 54323430 31343132 30333034 30333237 301e170d 86f70d01
5a170d32 34313133 30303430 3332375a 302 c 3111 55040313 08515745 300f0603
53543234 30311730 1506092a 864886f7 010902 16085157 45535432 34303081 0d
9f300d06 092 has 8648 86f70d01 01010500 03818d 00 30818902 818100a 2 5e873d21
dfa7cc00 ee438d1d bc400dc5 220f2dc4 aa896be4 39843044 d0521010 88 has 24454
b4b1f345 84ec0ad3 cac13d47 a71f367a 2e71f5fc 0a9bd55f 05d 75648 72bfb9e9
c5379753 26ec523d f2cbc438 d234616f a71e4f4f 42f39dde e4b99020 cfcd00ad
73162ab8 1af6b6f5 fa1b47c6 d261db8b 4a75b249 60556102 03010001 fa3fbe7c
300 d 0609 2a 864886 f70d0101 8181007a 05050003 be791b64 a9f0df8f 982d162d
b7c884c1 eb183711 05d676d7 2585486e 5cdd23b9 af774a8f 9623e91a b3d85f10
af85c009 9590c0b3 401cec03 4dccf99a f1ee8c01 1e6f0f3a 6516579c 12d9cbab
59fcead4 63baf64b 7adece49 7799f94c 1865ce1d 2c0f3ced e65fefdc a784dc50
350e8ba2 998f3820 e6370ae5 7e6c543b 6c1ced
quit smoking
Telnet 192.168.64.200 255.255.255.255 inside
Telnet 192.168.64.169 255.255.255.255 inside
Telnet 192.168.64.190 255.255.255.255 inside
Telnet 192.168.64.199 255.255.255.255 inside
Telnet timeout 5
SSH timeout 5
SSH group dh-Group1-sha1 key exchange
Console timeout 0
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
SSL-trust ASDM_TrustPoint0 inside point
SSL-trust outside ASDM_TrustPoint0 point
WebVPN
allow outside
AnyConnect image disk0:/anyconnect-win-2.5.2014-k9.pkg 1
AnyConnect enable
tunnel-group-list activate
internal GroupPolicy_GTCVPN2 group strategy
attributes of Group Policy GroupPolicy_GTCVPN2
WINS server no
value of 192.168.64.202 DNS server 192.168.64.201
client ssl-VPN-tunnel-Protocol
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list gtcvpn2
field default value mondomaine.fr
username cHoYQ5ZzE4HJyyq password of duncan / encrypted
username Aosl50Zig4zLZm4 admin password / encrypted
password encrypted sebol U7rG3kt653p8ctAz user name
type tunnel-group GTCVPN2 remote access
attributes global-tunnel-group GTCVPN2
Swimming POOLS-for-AnyConnect address pool
Group Policy - by default-GroupPolicy_GTCVPN2
tunnel-group GTCVPN2 webvpn-attributes
enable GTCVPN2 group-alias
!
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
Review the ip options
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
!
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 19
Subscribe to alert-group configuration periodic monthly 19
daily periodic subscribe to alert-group telemetry
Cryptochecksum:0b972b3b751b59085bc2bbbb6b0c2281
: end
ASA1 #.I can connect to the ASA from outside with the Anyconnect client, split tunneling works well unfortunately I can't ping anything inside the network, VPN subnet: 255.255.255.0, inside the 192.168.64.x 255.255.255.0 subnet 10.0.70.x
When connecting from the outside, cisco anyconnect is showing 192.168.64.0/24 in the tab "details of the trip.
Do you know if I'm missing something? (internal subnet to subnet route vpn?)
Thank you
Use your internal subnet ASA as its default gateway? If this isn't the case, it will take a route pointing to the ASA inside the interface.
You can perform a packet - trace as:
Packet-trace entry inside tcp 192.168.64.2 80 10.0.70.1 1025
(simulation of traffic back from a web server inside a VPN client)
-
To access the branches connected to the main office using VPN L2L by RA VPN
Hi all
I am trying to configure access to several remote sites for users that VPN in our main data center. The data center has a 5520, and branches are connected via L2L IPSec VPN. All branches have 5505 or 5510. Remote users use IPSec via the remote Client to Cisco. In our data center works and L2L VPN remote access are perfect... only now that I need remote users access to branches
after remote access VPNing (of support), I can't work the part.
Any help would be appreciated!
Thank you
Vpn client access management office subnet via the main ASA site, you must configure the following:
(1) If you have split tunnel, it must include the branch subnet in the tunnel of split ACL.
2) allow to "permit same-security-traffic intra-interface" on the main ASA site.
(3) configure the pool of the vpn client subnet in the lan-to-lan tunnel to the branch.
On the main site, crypto ACL to one of the branch should say:
ip licensing
On the site of the Directorate, crypto ACL to the main site should say:
ip licensing
(4) on the site of the Directorate, should also include NAT exemption between the branch subnet to the pool of the vpn subnet.
(5) after all the changes above, you need to clear the tunnel, so the ipsec lan-to-lan tunnel recover with the new subnet included.
Hope that helps.
-
Between asa 5510 and router VPN
Hello
I configured ASA 5510 to vpn LAN to LAN with router 17 857. and between the routers.
between vpn routers works very well.
from the local network behind the ASA I can ping the computers behind routers.
but computers behind routers, I cannot ping PSC behind ASA.
I have configured the remote access with vpn cisco 4.X client, it works well with routers, but cannot work with asa.
the asa is connected to the wan via zoom router (adsl)
Are you telnet in the firewall?
Follow these steps to display the debug output:
monitor terminal
farm forestry monitor 7 (type this config mode)
Otherwise if its console, do "logging console 7'.
can do
Debug crypto ISAKMP
Debug crypto ipsec
and then generate a ping from one device to the back of the ASA having 192.168.200.0 address towards one of the VPN subnets... and then paste the result here
Concerning
Farrukh
-
I have vpn site-to-site on firewall Cyberoam (outside), remote VPN access created the (inside) Firewall ASA.
the question that I cannot access site to Site Vpn remote access VPN subnet
See attached drawing
A likely reason is that you are missing just the following command on the ASA:
same-security-traffic permit intra-interface
Or you might miss a NAT exemption from outside to outside.
-
Hi all. I have an asa 5510 connected to a switch 3750 with RIP, routing between the two devices. I have problems passing the VPN subnet via rip to the 3750. I probably do not understand how the routing table is filled on the asa so patient with me. I noticed that the routing table is filled with the VPN subnet, when clients connect. So, for example, I 192.168.1.1/32 client 1 connects to the routing table of asa. I then put static redistribution in place through rip on the asa. However, the 3750 never receives the rip update of the asa. All other channels are exchanged between thin devices. Any suggestions?
Sent by Cisco Support technique Android app
OK good to know that all Saran works fine now for you!
If you want to RIP through the POOL VPN, you must enable IPP on the SAA, would be to inject the pool VPN in the routing of the ASA table, which makes the ASA see it as a static route, and then you move forward on your type of RIP "Redistribute static" process The ASA would pass it along as a well known road of his table.
Believe me, I went through the same thing as you are now, a few years back! It was a pain in the neck but finally had someone who helped me with it! It took me almost 1 month to get help. On the side VPN seem ok, but I couldn't reach my home network. I was told to do what I mentioned at the top.
Regarding the graphics integrated circuits in the network, they seem ok to configure and ask them to do the work for you, but if not well thought to before implementation, you could probably yourself shot in the leg with her on the road. For me before I understood of IGP I very well understand the static. That helped me understand the routing protocols.
I'm glad you're OK.
Have a good one Phil
Ted
-
Configure VPN site to site with CCP
Hello
I have several VPN site to site of small offices, at Headquarters.
Is possible to make a single configuration for all virtual private networks on the "vpn server"(ISR 1801) or I still need to add an entry for each VPN subnet? ". If Yes, is possible with the CCP?
Kind regards
Nuno
You can then configure the VPN using CCP.
I prefer the command line, and if there are many VPN from Site to Site, you can have a model, and what's happening to one VPN to another is interesting traffic, the INVESTIGATION period by peers and the pre-shared key.
It depends on the policy.
Federico.
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