only one statement of site-to-site VPN remote network?
Hello
I wonder on in case of site to site vpn, we can define only a single declaration of network for the Branch Office peer network?
If there is a local network to peer site, then, how to set those for the local subnet peer?
Can anyone answer my question?
Thank you.
If I understand your question, wondering how to add a different subnet to an existing site-to-site VPN tunnel?
If that is correct, you can add this network to the crypto ACL of the tunnel at a site. But you have to demolish and rebuild the tunnel before it takes effect.
Once you have added the required configuration, run the following commands to shoot down the tunnel. Do not forget that this disconnects all users on the VPN, so it is best to let users know when you go to so that they are not connected at this time here.
ISAKMP crypto claire
clear crypto ipsec his
Tags: Cisco Security
Similar Questions
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remote VPN and vpn site to site vpn remote users unable to access the local network
As per below config remote vpn and vpn site to site vpn remote users unable to access the local network please suggest me a required config
The local 192.168.215.4 not able ping server IP this server connectivity remote vpn works fine but not able to ping to the local network vpn users.
ASA Version 8.2 (2)
!
host name
domain kunchevrolet
activate r8xwsBuKsSP7kABz encrypted password
r8xwsBuKsSP7kABz encrypted passwd
names of
!
interface Ethernet0/0
nameif outside
security-level 0
PPPoE client vpdn group dataone
IP address pppoe
!
interface Ethernet0/1
nameif inside
security-level 50
IP 192.168.215.2 255.255.255.0
!
interface Ethernet0/2
nameif Internet
security-level 0
IP address dhcp setroute
!
interface Ethernet0/3
Shutdown
No nameif
no level of security
no ip address
!
interface Management0/0
Shutdown
No nameif
no level of security
no ip address
management only
!
passive FTP mode
clock timezone IST 5 30
DNS server-group DefaultDNS
domain kunchevrolet
permit same-security-traffic intra-interface
object-group network GM-DC-VPN-Gateway
object-group, net-LAN
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asdm of logging of information
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Within 1500 MTU
MTU 1500 Internet
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Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
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AAA authentication LOCAL telnet console
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http 192.168.215.0 255.255.255.252 inside
http 192.168.215.0 255.255.255.0 inside
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card crypto VPN outside interface
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crypto ISAKMP policy 65535
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SSH timeout 5
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VPDN group dataone ppp authentication chap
VPDN username bb4027654187_scdrid password * local store
interface for identifying DHCP-client Internet customer
dhcpd dns 218.248.255.141 218.248.245.1
!
dhcpd address 192.168.215.11 - 192.168.215.254 inside
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!
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type tunnel-group test remote access
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pre-shared key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
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message-length maximum 512
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!
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
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monthly periodicals to subscribe to alert-group configuration
daily periodic subscribe to alert-group telemetry
Cryptochecksum:0d2497e1280e41ab3875e77c6b184cf8
: end
kunauto #.Hello
Looking at the configuration, there is an access list this nat exemption: -.
192.168.215.0 IP Access-list extended sheep 255.255.255.0 allow 192.168.2.0 255.255.255.0
But it is not applied in the States of nat.
Send the following command to the nat exemption to apply: -.
NAT (inside) 0 access-list sheep
Kind regards
Dinesh Moudgil
P.S. Please mark this message as 'Responded' If you find this information useful so that it brings goodness to other users of the community
-
VPN site-to-Site: several remote networks
Examples of VPN Site to Site ASA configuration that I have met has only a single network at both sites.
If the network/remote site multi-network for example DMZ1, DMZ2, etc. from the INSIDE how can it be added via the wizard of Site to Site VPN ASDM.
Thank you.
Hello
I have not seen an example of specific configuration with the addition of several networks for tunnel l2l IPSEC via ASDM.
Generally speaking, you would just follow the same process in the Sub URL, but add all the multiple networks local and remote networks that you want to be protected IPSEC.
http://www.Cisco.com/en/us/docs/security/ASDM/6_1/user/guide/vpn_wiz.html#wp999348
Kind regards
Arul
* Rate pls if it helps *.
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site to site vpn - internal network even on both sides of the tunnel
Hi all
I have the following questions about the Site Site VPN using ASA 5510 and 5505
Scenerio is
1. we have five branches & headquarters
2. we want to establish a vpn between branches & Head Office (VPN from Site to Site)
3. all branches & head office using the same internal network (192.168.150.0 255.255.255.0)
My question is
How can I configure VPN site-to-site between branches & head office with the same internal network (192.168.150.0/24)
Please help me with the configuration steps & explanation
I have experience on setting up vpn site to site between branches with differnet internal network (for example: 192.168.1.0/24 and 192.168.2.0/24)
Waiting for your valuable response
Hello
Here are a few links on policy nat
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a008046f31a.shtml#T10
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a00807d2874.shtml
Concerning
-
Hello
is it possible to install?
I have a pc and I want to connect to the Remote LAN.
PC (using vpn client) - vpn (internet)---> ROUTER1 - a vpn (MPLS network)---> ROUTER2---> SERVER site
How can I connect to a remote server? Is there an easy way?
I did the configuration of the vpn client (I can connect ROUTER1 and access a LAN via vpn with 192.168.1.x), but I can't connect to the server, even if I set the subnet (192.168.1.x) under the access list of site to site vpn (access list for traffic that must pass between ROUTER1 and ROUTER2).
Please advise! Thanks in advance.
Looks like I've not well explained.
On ROUTER1
===================
1 ACL VNC_acl is used to split tunnel, so you should include IP server_NET it NOT vpn IP pool.
2 ACL najavorbel is used to set the lan lan traffic between ROUTER1 and ROUTER2, 2 you should inlcude
IP 192.168.133.0 allow 0.0.0.255 0.0.0.255
You must change the crypto ROUTER2 ACL of the minor or the najavorbel of the ACL
The other way to is to the client VPN NAT IP to a local area network lan IP ROUTER1, in this way, you don't need any changes on ROUTER2. But I have to take a look at your configuration to make the suggestion.
-
Site to Site VPN remote connectivity
Hello
I currently have an Ipsec policy set up on a succesfully ASA 5510 and remote users to connect and access to internal resources at Headquarters. I have a connection VPN from Site to Site of a branch in a 5505 on the same outside the interface that remote VPN users. The issue I'm having is when a remote VPN user tries to access the shared drive in the branch that the TCP connection cannot be established. I've seen this problem before with the ASA is not able to complete the TCP connection because the source and destination come and go from the same interface. I tried to connect to the Site to Site on a different interface of ASA, but the error than subnet masks can not be the same. Any ideas would be appreciated.
Created: May 26, 2011 22:53 by: Gamal, Adesh(AGAIROLA,314372) ___RESOLUTION__SUMMARY___
* Scope: IPsec - L2L
* Symptoms: When traffic generates the tunnel of the RA and the destination is L2L network tunnel we get following connects
TCP (no relation) to refuse to 10.10.17.16/50915 to 192.168.20.2/445 flags RST ACK on Trusted interface
* Resolution: Client solved the problem by adding a route on the router
Current contact: [removed]
Status/symptoms current question: solved
Troubleshooting steps: customer has solved the problem by adding a static route on the router
Other Notes: Cust said ok close the case
_________________________________________________
Post edited by: Herbert Baerten (moderator VPN)
-
Blocking remote - site-to-site vpn network
Hello
I have a VPN site-to site already set up, everything works as it should. I'm trying to block remote network access to our network as we only need access to them. I'm sure it's something very easy to implement with an ACL, but I don't know where this rule should go. The VPN is on ASA 5505.
Example:
1.1.1.0/24 - local area network - site has
Site B - remote network - 2.2.2.0/24 - want to block this local access network
Any help or advice would be appreciated.
Thanks in advance,
-j
You are right.. ACL is the best way to go.
You can configure ACLs in the outbound direction of the internal interface as follows:
inside-acl-out of ip 2.2.2.0 deny access list 255.255.255.0 1.1.1.0 255.255.255.0
inside-acl-out the ip access list to a range
Access-group inside-acl-out interface
With the above ACL, it crashes all the traffic from the remote VPN to the internal interface while allowing the rest (for example: were other interfaces of the ASA) originally from connection to the internal network.
I hope this helps.
-
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.
-
Site to site VPN works only on Cisco 881
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destination of traffic of the tunnel must be channelled through the crypto map interface. The destination following (s) doesn't have a routing entry in the routing table
192.168.2.0I copied the config form this router from another cisco 881 work, where everything works. The only difference is that this router needs a site to site vpn connection.
My question is how I can get internet on vlan2 and who can I solve the connection to site to site.
Here's the running configuration:
Building configuration...
Current configuration: 12698 bytes
!
version 15.3
horodateurs service debug datetime msec
Log service timestamps datetime msec
no password encryption service
!
hostname Cisco_881
!
boot-start-marker
boot-end-marker
!
AQM-registry-fnf
!
logging buffered 51200 warnings
!
AAA new-model
!
!
AAA authentication login default local
AAA authorization exec default local
AAA authorization network default local
!
!
!
!
!
AAA - the id of the joint session
!
Crypto pki trustpoint TP-self-signed-1151531093
enrollment selfsigned
name of the object cn = IOS - Self - signed - certificate - 1151531093
revocation checking no
rsakeypair TP-self-signed-1151531093
!
Crypto pki trustpoint TP-self-signed-2011286623
enrollment selfsigned
name of the object cn = IOS - Self - signed - certificate - 2011286623
revocation checking no
rsakeypair TP-self-signed-2011286623
!
!
TP-self-signed-1151531093 crypto pki certificate chain
certificate self-signed 01
3082022B 30820194 02020101 300 D 0609 2A 864886 F70D0101 05050030 A0030201
2 060355 04031326 494F532D 53656 C 66 2 AND 536967 6E65642D 43657274 31312F30
69666963 31313531 35333130 6174652D 3933301E 170 3135 30343031 31363230
34315A 17 0D 323030 31303130 30303030 305A 3031 06035504 03132649 312F302D
4F532D53 5369676E 656C662D 43 65727469 66696361 74652 31 31353135 65642D
33313039 3330819F 300 D 0609 2A 864886 01050003, 818, 0030, 81890281 F70D0101
8100AC6E E7FA8AFD 9D4E206C 2B23DFC1 990AFDB3 98CD84A7 37697253 A7EF2520
0C45190E 298B6E9F E2711580 80DCFBFB 05A6A0BA 347B960B D9DA17FC B1543B9D
FBC048F3 063EBBC5 02391432 F0232A73 EAC7278E 8CB83005 D13A1D47 BEF18198
A 547469, 2 F65ED0E6 249BF517 1E74117D C94BE542 46EE487D A3843F12 364639B 4
0B 090203 010001 HAS 3 53305130 1 130101 FF040530 030101FF 301F0603 0F060355
551 2304 18301680 147996F4 3E6D0EE2 2D9065BB D726137C 2DF42ABE 01301D 06
03551D0E 04160414 7996F43E 6D0EE22D 9065BBD7 26137C2D F42ABE01 300 D 0609
2A 864886 F70D0101 8181002A 05050003 677B9BE6 CB60D188 73227C4B 2DC33101
BD448017 EDEF0296 FF7438A3 4C46519B 144C775F 1429CF06 7DB29F2D EB16EE75
22100B 63 0D75511A 98DC57DC EF87BED2 1C1635C8 B5352706 3963037A 4E9B739A
3A1EC9BE 8431BD70 116D3B31 E4A2AC4C 0F934B3F 196AF829 AD537005 6935B 451
EB31DB3F A9BA6D70 65B70D19 D00158
quit smoking
TP-self-signed-2011286623 crypto pki certificate chain
no ip source route
!
!
!
!!
DHCP excluded-address IP 10.10.10.1
DHCP excluded-address IP 192.168.5.1 192.168.5.49
DHCP excluded-address IP 192.168.5.150 192.168.5.254
!
DHCP IP CCP-pool
import all
Network 10.10.10.0 255.255.255.248
default router 10.10.10.1
Rental 2 0
!
IP dhcp Internet pool
network 192.168.5.0 255.255.255.0
router by default - 192.168.5.254
DNS-Server 64.59.135.133 64.59.128.120
lease 6 0
!
!
!
no ip domain search
"yourdomain.com" of the IP domain name
name of the IP-Server 64.59.135.133
name of the IP-Server 64.59.128.120
IP cef
No ipv6 cef
!
!
!
!
!
Authenticated MultiLink bundle-name Panel
!
!
!
!
!
!
!
udi pid C881-K9 sn FTX18438503 standard license
!
!
Archives
The config log
hidekeys
username * privilege 15 secret 5 $1$IBY.$X5/iqYy47a5vAWWuG4/Oa/
username * secret 5 $1$ 17 ST$ QzJMvQnZ9Q.1y7u0rYXFa0
username * secret 5 $1$ L4W9$ zBKpawZ3i5nXxwyS9H6Lf1
!
!
!
!
!
no passive ftp ip
!
!
crypto ISAKMP policy 1
BA aes 256
preshared authentication
Group 2
!
crypto ISAKMP policy 2
BA 3des
preshared authentication
Group 2
isakmp encryption key * address 208.98.212.xx
!
Configuration group crypto isakmp MPE client
key *.
pool VPN_IP_POOL
ACL 100
include-local-lan
10 Max-users
netmask 255.255.255.0
banner ^ practive entered the fieldThis area is reserved for administrators of control systems.
If you are here by mistake, please disconnect immediately.
You have full access to 192.168.125.0 / 0.0.0.255
Support on continue to start your session. ^ C
!
Configuration group customer crypto isakmp PALL
key *.
pool VPN_IP_POOL_PALL
ACL 101
include-local-lan
Max - 1 users
netmask 255.255.255.0
banner ^ practive entered the fieldThis area is limited to the PALL access only.
If you are here by mistake, please disconnect immediately.
You have full access to 192.168.125.0 / 0.0.0.255
Support on continue to start your session. ^ C
ISAKMP crypto profile vpn_isakmp_profile
game of identity EMT group
client authentication list default
Default ISAKMP authorization list
client configuration address respond
virtual-model 1
ISAKMP crypto profile vpn_isakmp_profile_2
match of group identity PALL
client authentication list default
Default ISAKMP authorization list
client configuration address respond
virtual-model 2
!
!
Crypto ipsec transform-set esp - aes 256 esp-sha-hmac VPN_TRANSFORM
tunnel mode
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
tunnel mode
!
Profile of crypto ipsec VPN_PROFILE_MPE
Set the security association idle time 3600
game of transformation-VPN_TRANSFORM
vpn_isakmp_profile Set isakmp-profile
!
Profile of crypto ipsec VPN_PROFILE_PALL
Set the security association idle time 1800
game of transformation-VPN_TRANSFORM
vpn_isakmp_profile_2 Set isakmp-profile
!
!
!
map SDM_CMAP_1 1 ipsec-isakmp crypto
Description Tunnel to208.98.212.xx
the value of 208.98.212.xx peer
game of transformation-ESP-3DES-SHA
match address 102
!
!
!
!
!
!
interface Loopback0
IP 192.168.40.254 255.255.255.0
!
interface FastEthernet0
no ip address
!
interface FastEthernet1
no ip address
!
interface FastEthernet2
switchport access vlan 2
no ip address
!
interface FastEthernet3
switchport access vlan 2
no ip address
!
interface FastEthernet4
IP address 208.98.213.xx 255.255.255.224
IP access-group 111 to
NAT outside IP
IP virtual-reassembly in
automatic duplex
automatic speed
map SDM_CMAP_1 crypto
!
type of interface virtual-Template1 tunnel
IP unnumbered Loopback0
ipv4 ipsec tunnel mode
Tunnel VPN_PROFILE_MPE ipsec protection profile
!
tunnel type of interface virtual-Template2
IP unnumbered Loopback0
ipv4 ipsec tunnel mode
Tunnel VPN_PROFILE_PALL ipsec protection profile
!
interface Vlan1
Description of control network
IP 192.168.125.254 255.255.255.0
IP access-group CONTROL_IN in
IP access-group out CONTROL_OUT
IP nat inside
IP virtual-reassembly in
IP tcp adjust-mss 1452
!
interface Vlan2
Description Internet network
IP 192.168.5.254 255.255.255.0
IP access-group INTERNET_IN in
IP access-group out INTERNET_OUT
IP nat inside
IP virtual-reassembly in
!
local IP VPN_IP_POOL 192.168.40.100 pool 192.168.40.150
local IP VPN_IP_POOL_PALL 192.168.40.151 pool 192.168.40.152
IP forward-Protocol ND
IP http server
23 class IP http access
local IP http authentication
IP http secure server
IP http timeout policy slowed down 60 life 86400 request 10000
!
!
IP nat inside source static tcp 192.168.125.2 25000 25000 FastEthernet4 interface
IP nat inside source overload map route SDM_RMAP_1 interface FastEthernet4
IP route 0.0.0.0 0.0.0.0 FastEthernet4 permanent 208.98.236.xx
!
CONTROL_IN extended IP access list
Note the access control
Note the category CCP_ACL = 17
allow any host 192.168.125.254 eq non500-isakmp udp
allow any host 192.168.125.254 eq isakmp udp
allow any host 192.168.125.254 esp
allow any host 192.168.125.254 ahp
IP 192.168.125.0 allow 0.0.0.255 192.168.125.0 0.0.0.255
Note the VPN access
IP 192.168.125.0 allow 0.0.0.255 192.168.40.0 0.0.0.255
Note Access VNC
permit tcp host 192.168.125.2 eq 25000 one
Comment by e-mail to WIN911
permit tcp host 192.168.125.2 any eq smtp
Note DNS traffic
permit udp host 192.168.125.2 host 64.59.135.133 eq field
permit udp host 192.168.125.2 host 64.59.128.120 eq field
Note Everything Else block
refuse an entire ip
CONTROL_OUT extended IP access list
Note the access control
IP 192.168.125.0 allow 0.0.0.255 192.168.125.0 0.0.0.255
Note the VPN access
ip permit 192.168.40.0 0.0.0.255 192.168.125.0 0.0.0.255
Note Access VNC
allow any host 192.168.125.2 eq 25000 tcp
Comment by e-mail to WIN911
allow any host 192.168.125.2 eq smtp tcp
Note DNS responses
allowed from any host domain eq 192.168.125.2 udp
Note deny all other traffic
refuse an entire ip
INTERNET_IN extended IP access list
Note Access VNC on VLAN
allow any host 192.168.125.2 eq 25000 tcp
Note block all other controls and VPN
deny ip any 192.168.125.0 0.0.0.255
deny ip any 192.168.40.0 0.0.0.255
Note leave all other traffic
allow an ip
INTERNET_OUT extended IP access list
Note a complete outbound Internet access
allow an ip
WAN_IN extended IP access list
allow an ip host 207.229.14.xx
Note PERMIT ESTABLISHED TCP connections
allow any tcp smtp created everything eq
Note ALLOW of DOMAIN CONNECTIONS
permit udp host 64.59.135.133 eq field all
permit udp host 64.59.128.120 eq field all
Note ALLOW ICMP WARNING RETURNS
allow all all unreachable icmp
permit any any icmp parameter problem
allow icmp all a package-too-big
allow a whole icmp administratively prohibited
permit icmp any any source-quench
allow icmp all once exceed
refuse a whole icmp
allow an ip
!
auto discovering IP sla
not run cdp
!
allowed SDM_RMAP_1 1 route map
corresponds to the IP 103
!
access-list 1 remark out to WAN routing
Note CCP_ACL the access list 1 = 16 category
access-list 1 permit 192.168.125.2
access-list 1 permit 192.168.5.0 0.0.0.255
Note access-list 23 SSH and HTTP access permissions
access-list 23 permit 192.168.125.0 0.0.0.255
access-list 23 permit 192.168.40.0 0.0.0.255
access-list 23 allow one
Note access-list 100 VPN traffic
access-list 100 permit ip 192.168.125.0 0.0.0.255 any
access-list 100 permit ip 192.168.40.0 0.0.0.255 any
Note access-list 101 for PALL VPN traffic
access-list 101 permit ip 192.168.125.0 0.0.0.255 any
Note access-list 102 CCP_ACL category = 4
Note access-list 102 IPSec rule
access-list 102 permit ip 192.168.5.0 0.0.0.255 192.168.2.0 0.0.1.255
Note access-list 103 CCP_ACL category = 2
Note access-list 103 IPSec rule
access-list 103 deny ip 192.168.5.0 0.0.0.255 192.168.2.0 0.0.1.255
access-list 103 allow ip 192.168.5.0 0.0.0.255 any
access-list 103 allow the host ip 192.168.125.2 all
Note access-list 111 CCP_ACL category = 17
access-list 111 permit udp any host 208.98.213.xx eq non500-isakmp
access-list 111 permit udp any host 208.98.213.xx eq isakmp
access-list 111 allow esp any host 208.98.213.xx
access-list 111 allow ahp any host 208.98.213.xx
Note access-list 111 IPSec rule
access-list 111 permit ip 192.168.2.0 0.0.1.255 192.168.5.0 0.0.0.255
Note access-list 111 IPSec rule
access-list 111 permit ip 192.168.2.0 0.0.1.255 192.168.4.0 0.0.1.255
access-list 111 permit udp host 208.98.212.xx host 208.98.213.xx eq non500-isakmp
access-list 111 permit udp host 208.92.12.xx host 208.92.13.xx eq isakmp
access-list 111 allow esp host 208.92.12.xx host 208.92.13.xx
access-list 111 allow ahp host 208.92.12.xx host 208.92.13.xx
access-list 111 permit icmp any host 208.92.13.xx
access-list 111 permit tcp any host 208.92.13.xx eq 25000
access-list 111 permit tcp any host 208.92.13.xx eq 22
access-list 111 permit tcp any host 208.92.13.xx eq telnet
access-list 111 permit tcp any host 208.92.13.xx eq www
!
!
!
control plan
!
!
!
MGCP behavior considered range tgcp only
MGCP comedia-role behavior no
disable the behavior MGCP comedia-check-media-src
disable the behavior of MGCP comedia-sdp-force
!
profile MGCP default
!
!
!
!
exec banner ^ C
% Warning of password expiration.
-----------------------------------------------------------------------Unplug IMMEDIATELY if you are not an authorized user
^ C
!
Line con 0
no activation of the modem
line to 0
line vty 0 4
access-class 23 in
password *.
transport input telnet ssh
transportation out all
line vty 5 15
access-class 160 in
password *.
transport of entry all
transportation out all
!
max-task-time 5000 Planner
Scheduler allocate 20000 1000
!
endThank you.
It seems that DNS has failed, because it is indeed happened to internet, but it does not work when internet DNS resolution.
Go ahead and try to ping this 157.166.226.25, and it's on the browser http://157.166.226.25/, CNN.com. Let's try those. Also just in case where to configure a DNS SERVER on your router.
- http://www.cisco.com/c/en/us/support/docs/ip/domain-name-system-dns/2418...
Disable any ZBF just in case.
David Castro,
Kind regards
-
2 one-Site VPN Cisco 2801 and with crossing NAT
Hi guys,.
I would like to configure two Cisco 2801 using IPSEC/IKE. Both routers are connected to the internet through DSL lines. The DSL line have RFC1918 address side LAN where routers connected to the internet face. I can do NAT on DSL modems.
Cisco IOS 2801 routers allow to configure site-2-site VPN with NAT crossing?
Here is a model of physics/IP configuration:
LAN<->2801 Modem DSL<-Internet->DSL modem<-Priv ip-=""> 2801<-Priv ip-=""><-> LAN
Thank you
Gonçalo
Yes, you're good to go only if one or both of the sites has an IP address which is natted with private IP address statically. The implementation of IPSec on SRI NAT support in most crosses so that shouldn't be a concern
->-Priv>-Priv>-Internet->-> -
Since the conversion of my site to the 'Recommended reading' page of WordPress does not display the book, I have listed this link to Amazon. Only one book associated with another Web poster site, but not Amazon Books.
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Can you help me? Go to: www.transitionexecs.com and click on "Bibliography" to see what I mean.You have ad-blocking software?
These links have ad in the url that may trigger such software.
See:
Start Firefox in Firefox to solve the issues in Safe Mode to check if one of the extensions of the origin of the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > appearance/themes).
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-
2 one-Site VPN between HQ, Site A and Site B
Dear brothers,
Really I need your kindly help on Site 2 Site VPN.
We have a HQ and 2 Sites (Site A Site & B), and we think to set up VPN Site-2-Site between them now.
HQ--> 3845 router (will be the hub)--> a given vlan 11 & vlan voice 21
Site A--> router 2901 (will be the Spoke1)--> a given vlan 12 & vlan voice 22
Site B--> router 1941 (will be the Spoke2)--> a given vlan 13 & vlan voice 23
So my questions are:
1 - when the VPN going up, are only the HQ VLAN data & voice will be able to reach the Site & A B data & Voice VLAN and Vice versa?
2 - when the VPN is going up, are that the Site has data & Voice VLAN will be able to reach the Site B Data & Voice VLAN and Vice versa?
Thank you
Hello
I think this example explains what you need:http://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation...
Kind regards
Averroès.
-
Client Vpn Cisco vpn remote site inaccessible (one site to another)
Hello
I configured two vpn with pix 515 cisco connection. One using a cisco vpn client and another another site to site vpn connectin with other pix.
I have my local network with 192.168.149.0 network, vpn clinet pool with 192.168.17.0 network and a remote site with 192.168.145.0.
Client vpn local network accessible and always remote site, but 192.168.17.0 (vpn client) 192.168.145.0 not accessible (remote site).
Plese help me!
Thank you
This scenario is possible with no v6.x, v7.x
the link below is an example of configuration:
-
Troubleshooting IPSec Site to Site VPN between ASA and 1841
Hi all
in the past I've implemented several VPN connections between the devices of the SAA. So I thought a site link between an ASA site and 1841 would be easier... But it seems I was mistaken.
I configured a VPN Site to Site, as it has been described in the Document ID: SDM 110198: IPsec Site to Site VPN between ASA/PIX and an example of IOS Router Configuration (I have not used SDM but CCP).
I have run the wizards on the ASA with ASDM and the current IOS version 15.1 1841, with CCP.
It seems to Phase 1 and 2 are coming although my ASA in ADSM reports (monitoring > VPN > VPN statistics > Sessions) a tunnel established with some of the Tx traffic but 0 Rx traffic),
On the ASA:
Output of the command: "sh crypto ipsec its peer 217.xx.yy.zz.
address of the peers: 217.86.154.120
Crypto map tag: VPN-OUTSIDE, seq num: 2, local addr: 62.aa.bb.ccaccess extensive list ip 192.168.37.0 outside_2_cryptomap_1 allow 255.255.255.0 172.20.2.0 255.255.255.0
local ident (addr, mask, prot, port): (LAN-A/255.255.255.0/0/0)
Remote ident (addr, mask, prot, port): (LAN-G/255.255.255.0/0/0)
current_peer: 217.xx.yy.zz#pkts program: 400, #pkts encrypt: 400, #pkts digest: 400
#pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0
compressed #pkts: 0, unzipped #pkts: 0
#pkts uncompressed: 400, comp #pkts failed: 0, #pkts Dang failed: 0
success #frag before: 0, failures before #frag: 0, #fragments created: 0
Sent #PMTUs: 0, #PMTUs rcvd: 0, reassembly: 20th century / of frgs #decapsulated: 0
#send errors: 0, #recv errors: 0local crypto endpt. : 62.aa.bb.cc, remote Start crypto. : 217.xx.yy.zz
Path mtu 1500, fresh ipsec generals 58, media, mtu 1500
current outbound SPI: 39135054
current inbound SPI: B2E9E500SAS of the esp on arrival:
SPI: 0xB2E9E500 (3001672960)
transform: esp-3des esp-sha-hmac no compression
running parameters = {L2L, Tunnel, PFS 2 group}
slot: 0, id_conn: 100327424, crypto-map: VPN-OUTSIDE
calendar of his: service life remaining (KB/s) key: (4374000/1598)
Size IV: 8 bytes
support for replay detection: Y
Anti-replay bitmap:
0x00000000 0x00000001
outgoing esp sas:
SPI: 0 x 39135054 (957567060)
transform: esp-3des esp-sha-hmac no compression
running parameters = {L2L, Tunnel, PFS 2 group}
slot: 0, id_conn: 100327424, crypto-map: VPN-OUTSIDE
calendar of his: service life remaining (KB/s) key: (4373976/1598)
Size IV: 8 bytes
support for replay detection: Y
Anti-replay bitmap:
0x00000000 0x00000001Output of the command: "sh crypto isakmp his."
HIS active: 4
Generate a new key SA: 0 (a tunnel report Active 1 and 1 to generate a new key during the generate a new key)
Total SA IKE: 4IKE Peer: 217.xx.yy.zz
Type: L2L role: initiator
Generate a new key: no State: MM_ACTIVEOn the 1841
1841 crypto isakmp #sh its
IPv4 Crypto ISAKMP Security Association
DST CBC conn-State id
217.86.154.120 62.153.156.163 QM_IDLE 1002 ACTIVE1841 crypto ipsec #sh its
Interface: Dialer1
Tag crypto map: SDM_CMAP_1, local addr 217.86.154.120protégé of the vrf: (none)
local ident (addr, mask, prot, port): (172.20.2.0/255.255.255.0/0/0)
Remote ident (addr, mask, prot, port): (192.168.37.0/255.255.255.0/0/0)
current_peer 62.153.156.163 port 500
LICENCE, flags is {origin_is_acl},
#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0
#pkts decaps: 585, #pkts decrypt: 585, #pkts check: 585
compressed #pkts: 0, unzipped #pkts: 0
#pkts uncompressed: 0, #pkts compr. has failed: 0
#pkts not unpacked: 0, #pkts decompress failed: 0
Errors #send 0, #recv 0 errorslocal crypto endpt. : 217.86.154.120, remote Start crypto. : 62.153.156.163
Path mtu 1452, ip mtu 1452, ip mtu BID Dialer1
current outbound SPI: 0xB2E9E500 (3001672960)
PFS (Y/N): Y, Diffie-Hellman group: group2SAS of the esp on arrival:
SPI: 0 x 39135054 (957567060)
transform: esp-3des esp-sha-hmac.
running parameters = {Tunnel}
Conn ID: 2003, flow_id: FPGA:3, sibling_flags 80000046, card crypto: SDM_CMAP_1
calendar of his: service life remaining (k/s) key: (4505068/1306)
Size IV: 8 bytes
support for replay detection: Y
Status: ACTIVEthe arrival ah sas:
SAS of the CFP on arrival:
outgoing esp sas:
SPI: 0xB2E9E500 (3001672960)
transform: esp-3des esp-sha-hmac.
running parameters = {Tunnel}
Conn ID: 2004, flow_id: FPGA:4, sibling_flags 80000046, card crypto: SDM_CMAP_1
calendar of his: service life remaining (k/s) key: (4505118/1306)
Size IV: 8 bytes
support for replay detection: Y
Status: ACTIVEoutgoing ah sas:
outgoing CFP sas:
Interface: virtual Network1
Tag crypto map: SDM_CMAP_1, local addr 217.86.154.120protégé of the vrf: (none)
local ident (addr, mask, prot, port): (172.20.2.0/255.255.255.0/0/0)
Remote ident (addr, mask, prot, port): (192.168.37.0/255.255.255.0/0/0)
current_peer 62.153.156.163 port 500
LICENCE, flags is {origin_is_acl},
#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0
#pkts decaps: 585, #pkts decrypt: 585, #pkts check: 585
compressed #pkts: 0, unzipped #pkts: 0
#pkts uncompressed: 0, #pkts compr. has failed: 0
#pkts not unpacked: 0, #pkts decompress failed: 0
Errors #send 0, #recv 0 errorslocal crypto endpt. : 217.86.154.120, remote Start crypto. : 62.153.156.163
Path mtu 1452, ip mtu 1452, ip mtu BID Dialer1
current outbound SPI: 0xB2E9E500 (3001672960)
PFS (Y/N): Y, Diffie-Hellman group: group2SAS of the esp on arrival:
SPI: 0 x 39135054 (957567060)
transform: esp-3des esp-sha-hmac.
running parameters = {Tunnel}
Conn ID: 2003, flow_id: FPGA:3, sibling_flags 80000046, card crypto: SDM_CMAP_1
calendar of his: service life remaining (k/s) key: (4505068/1306)
Size IV: 8 bytes
support for replay detection: Y
Status: ACTIVEthe arrival ah sas:
SAS of the CFP on arrival:
outgoing esp sas:
SPI: 0xB2E9E500 (3001672960)
transform: esp-3des esp-sha-hmac.
running parameters = {Tunnel}
Conn ID: 2004, flow_id: FPGA:4, sibling_flags 80000046, card crypto: SDM_CMAP_1
calendar of his: service life remaining (k/s) key: (4505118/1306)
Size IV: 8 bytes
support for replay detection: Y
Status: ACTIVEoutgoing ah sas:
outgoing CFP sas:
It seems that the routing on the 1841 is working properly as I can tear down the tunnel and relaunch in scathing a host on the network of 1841, but not vice versa.
Trounleshoot VPN of the 1841 report shows a message like "the following sources are forwarded through the interface card crypto. (172.20.2.0 1) go to "Configure-> routing" and correct the routing table.
I have not found an error on the 1841 config so if one of the guys reading this thread has an idea I appreciate highly suspicion!
It's the running of the 1841 configuration
!
version 15.1
horodateurs service debug datetime msec
Log service timestamps datetime msec
encryption password service
!
host name 1841
!
boot-start-marker
start the system flash c1841-adventerprisek9 - mz.151 - 1.T.bin
boot-end-marker
!
logging buffered 51200 notifications
!
AAA new-model
!
!
AAA authentication login default local
!
AAA - the id of the joint session
!
iomem 20 memory size
clock timezone PCTime 1
PCTime of summer time clock day March 30, 2003 02:00 October 26, 2003 03:00
dot11 syslog
IP source-route
!
No dhcp use connected vrf ip
!
IP cef
no ip bootp Server
IP domain name test
name of the IP-server 194.25.2.129
name of the IP-server 194.25.2.130
name of the IP-server 194.25.2.131
name of the IP-server 194.25.2.132
name of the IP-server 194.25.2.133
No ipv6 cef
!
Authenticated MultiLink bundle-name Panel
!
!
object-group network phone
VoIP phone description
Home 172.20.2.50
Home 172.20.2.51
!
redundancy
!
!
controller LAN 0/0/0
atm mode
Annex symmetrical shdsl DSL-mode B
!
!
crypto ISAKMP policy 1
BA 3des
preshared authentication
Group 2
isakmp encryption key * address 62.aa.bb.cc
!
!
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
!
map SDM_CMAP_1 1 ipsec-isakmp crypto
Description Tunnel to62.aa.bb.cc
the value of 62.aa.bb.cc peer
game of transformation-ESP-3DES-SHA
PFS group2 Set
match address 100
!
!
!
interface FastEthernet0/0
DMZ description $ FW_OUTSIDE$
10.10.10.254 IP address 255.255.255.0
IP nat inside
IP virtual-reassembly
automatic duplex
automatic speed
!
interface FastEthernet0/1
Description $ETH - LAN$ $FW_INSIDE$
IP 172.20.2.254 255.255.255.0
IP access-group 100 to
IP nat inside
IP virtual-reassembly
IP tcp adjust-mss 1412
automatic duplex
automatic speed
!
ATM0/0/0 interface
no ip address
No atm ilmi-keepalive
!
point-to-point interface ATM0/0/0.1
PVC 1/32
PPPoE-client dial-pool-number 1
!
!
interface Dialer1
Description $FW_OUTSIDE$
the negotiated IP address
IP mtu 1452
NAT outside IP
IP virtual-reassembly
encapsulation ppp
Dialer pool 1
Dialer-Group 2
PPP authentication chap callin pap
PPP chap hostname xxxxxxx
PPP chap password 7 xxxxxxx8
PPP pap sent-name of user password xxxxxxx xxxxxxx 7
map SDM_CMAP_1 crypto
!
IP forward-Protocol ND
IP http server
local IP http authentication
IP http secure server
!
!
The dns server IP
IP nat inside source static tcp 10.10.10.1 808 interface Dialer1 80
IP nat inside source static tcp 10.10.10.1 25 25 Dialer1 interface
IP nat inside source overload map route SDM_RMAP_1 interface Dialer1
IP nat inside source overload map route SDM_RMAP_2 interface Dialer1
IP route 0.0.0.0 0.0.0.0 Dialer1 permanent
!
logging trap notifications
Note category of access list 1 = 2 CCP_ACL
access-list 1 permit 172.20.2.0 0.0.0.255
Note access-list category 2 CCP_ACL = 2
access-list 2 allow 10.10.10.0 0.0.0.255
Note access-list 100 category CCP_ACL = 4
Note access-list 100 IPSec rule
access-list 100 permit ip 172.20.2.0 0.0.0.255 192.168.37.0 0.0.0.255
Note CCP_ACL the access list 101 = 2 category
Note access-list 101 IPSec rule
access-list 101 deny ip 172.20.2.0 0.0.0.255 192.168.37.0 0.0.0.255
access-list 101 permit ip 172.20.2.0 0.0.0.255 any
Note access-list 102 CCP_ACL category = 2
Note access-list 102 IPSec rule
access-list 102 deny ip 172.20.2.0 0.0.0.255 192.168.37.0 0.0.0.255
access-list 102 permit ip 10.10.10.0 0.0.0.255 any
!!
allowed SDM_RMAP_1 1 route map
corresponds to the IP 101
!
allowed SDM_RMAP_2 1 route map
corresponds to the IP 102
!
!
control plan
!
!
Line con 0
line to 0
line vty 0 4
length 0
transport input telnet ssh
!
Scheduler allocate 20000 1000
NTP-Calendar Update
NTP 172.20.2.250 Server prefer
endAs I mentioned previously: suspicion is much appreciated!
Best regards
Joerg
Joerg,
ASA receives not all VPN packages because IOS does not send anything.
Try to send packets to the 1841 LAN to LAN of the ASA and see is the "sh cry ips its" on the 1841 increments the encrypted packets (there not)
The problem seems so on the side of the router.
I think that is a routing problem, but you only have one default gateway (no other channels on the router).
The ACL 100 is set to encrypt the traffic between the two subnets.
It seems that the ACL 101 is also bypassing NAT for VPN traffic.
Follow these steps:
Try running traffic of LAN router inside IP (source of ping 192.168.37.x 172.20.2.254) and see if the packages are not through the translation and obtaining encrypted.
I would also like to delete 100 ACL from the inside interface on the router because it is used for the VPN. You can create an another ACL to apply to the interface.
Federico.
-
Several subnets in the site to Site VPN
Hi guys,.
I would like to set up a site of tunnel VPN stie with several subnets. I could not find a configuration which is my problem. I hope you can help me with the solution.
You can find my design network attach to this subject.
This is my setup on the ASA:(1) NAT excemption for network traffic, go to the Site to site VPN.
NAT (MGMTLAN, INT STSVPN) static source 192.168.10.0 192.168.10.0 static destination 192.168.31.0 192.168.31.0
NAT (inside, INT STSVPN) static source 192.168.15.0 192.168.15.0 static destination 192.168.38.0 192.168.38.0(2) the Accesslist with traffic to encrypt
object-group network 192.168.10.0
object-network 192.168.10.0 255.255.255.0object-group network 192.168.15.0
object-network 192.168.15.0 255.255.255.0the 192.168.38.0 object-group network
object-network 192.168.38.0 255.255.255.0the 192.168.31.0 object-group network
object-network 192.168.31.0 255.255.255.0object-group network STSVPN-LOCAL
Group-object 192.168.10.0
purpose of group - 192.168.15.0object-group network STSVPN-US
purpose of group - 192.168.38.0
purpose of group - 192.168.31.0ACL_STSVPN-US allowed extended ip access-list object-STSVPN-LOCAL object group STSVPN-American
(3) proposal phase 1
IKEv2 crypto policy 10
aes-256 encryption
sha256 integrity
Group 14
FRP sha256
second life 86400(4) proposal phase 2
Crypto ipsec ikev2 proposal ipsec IKEV2-IPSEC-ESP-AES-SHA
Protocol esp encryption aes-256
Protocol esp integrity sha-256(5) group tunnel
tunnel-group 4.4.4.4 type ipsec-l2l
tunnel-group 4.4.4.4 General attributes
Group Policy - by default-GrpPolicy-STSVPN-US
IPSec-attributes tunnel-group 14.4.4.4
IKEv2 remote-authentication pre-shared key abcd
IKEv2 authentication local pre-shared key abcdGroupPolicy
Group Policy GrpPolicy-STSVPN-US internal
Group Policy attributes GrpPolicy-STSVPN-US
value of VPN-filter STSVPN-US
Ikev2 VPN-tunnel-Protocol(5) crypto card
10 CM-STSVPN crypto card matches the address STSVPN-US
10 CM - STSVPN peer set 4.4.4.4 crypto card
card crypto 10 CM-STSVPN set ikev2 proposal ipsec IKEV2-IPSEC-ESP-AES-SHA
interface card crypto INT-STSVPN CM-STSVPN
Crypto ikev2 enable INT-STSVPN
/////////////////////////////////////////////////////////////////////The router configuration:
(1) part SA
proposal of crypto ikev2 ki2. PROP
encryption aes-cbc-256
sha256 integrity
Group 14
IKEv2 crypto policy ki2. POL
proposal ki2. PROP
ikev2 KR1 encryption keys
peer ASALAB
address 2.2.2.2
pre-shared key local abcd
pre-shared key remote abcd
Profile of crypto ikev2 ki2. TEACHER
match one address remote identity 2.2.2.2 255.255.255.255
address local identity 4.4.4.4
sharing front of remote authentication
sharing of local meadow of authentication
door-key local KR1
(2) TransformsetCrypto ipsec transform-set TS. VPN2, esp esp - aes hmac-sha256-256
tunnel mode(3) access-list
IP ACL extended access list. VPNIKE2
IP 192.168.31.0 allow 0.0.0.255 192.168.10.0 0.0.0.255
IP 192.168.38.0 allow 0.0.0.255 192.168.15.0 0.0.0.255
(5) crypto cardcrypto CM card. 30 VPN ipsec-isakmp
defined peer 2.2.2.2
the transform-set TS value. VPN2
group14 Set pfs
ki2 ikev2-profile value. TEACHER
match address ACL. VPNIKE2
//////////////////////////////////////////////////////////////////////This configuration is correct to allow both subnets on each side of the VPN tunnel to communicate with each other.
192.168.31.0 subnet cannot communicate with 192.168.10.0
192.168.38.0 subnet cannot communicate with 192.168.15.0Hello Jay,
I went during the configuration of the two aircraft and noticed a few errors on the configuration of the SAA. Details here:
(1) the access list configured for VPN traffic is named ACL_STSVPN-US, however the address for correspondence configured on the map encryption uses a group of objects name instead:
address for correspondence card crypto 10 CM - STSVPN STSVPN-US
You must change this setting to avoid any problems with the negotiation of traffic:
no matching address card crypto 10 CM-STSVPN STSVPN-US
10 CM-STSVPN crypto card matches the address ACL_STSVPN-US
(2) you also have the same error on the configured vpn filter. However, you could not use the access list ACL_STSVPN-United States for VPN filter since the ASA will filter incoming packets only. In this case the appropriate ACL will be configured for remote network (ROUTER) to local networks (ASA). It will look something like this:
access-list VPN_filter extended permitted ip object-STSVPN-US group LOCAL STSVPN
access-list VPN_filter extended permitted ip object-STSVPN-US group LOCAL STSVPN
Group Policy attributes GrpPolicy-STSVPN-US
VPN-Filter VPN_filter valueKeep in mind that the VPN filter is in the rules that determine whether to allow or deny packets of data tunnelees coming through the device security, based on criteria such as the source, destination, and Protocol address address. If you want to use the IP Protocol, the filter will not make a difference.
(3) group 14 of the PFS is configured on the router crypto map, but not on the SAA. You need to even add it in the card encryption ASA or remove it from the router.
ASA:
card crypto 10 CM-STSVPN set group14 pfs
Router:
crypto CM card. 30 VPN ipsec-isakmp
No group14 set pfs
Hope this help you to raise the tunnel,
Luis.
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